Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Reno, NV
Issued by NWS Reno, NV
602 FNUS55 KREV 191208 FWFREV Fire Weather Planning Forecast National Weather Service Reno NV 408 AM PST Sun Jan 19 2025 .DISCUSSION... A dry cold front will move through the region later tonight into Monday. This will lead to breezy east to northeast winds along the Sierra ridges, colder temperatures, and improved ventilation. High pressure then returns on Tuesday through the end of the week with stronger inversions, above seasonal temperatures, and poor overnight humidity recoveries on the mid to upper slopes. No precipitation is expected through at least Friday. Note: Thunderstorms imply gusty and erratic winds. Note: Mixing Heights are in feet above ground level of the valley floors. Note: Please see operating plan for detailed zone descriptions https://www.weather.gov/wrh/fire?wfo=rev NVZ420-200015- Northern Sierra Front including Carson City, Douglas, Storey, Southern Washoe, Western Lyon, and Far Southern Lassen Counties- 408 AM PST Sun Jan 19 2025 .TODAY... * Sky/Weather........Sunny. * Max Temperature.... * Valleys..........43-53. * Mid Slope........41-51. * 24 hr trend......7 degrees warmer. * Min Humidity....... * Valleys..........21-31%. * Mid Slope........21-31%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming northwest 7 to 12 mph with gusts to 20 mph late in the afternoon. * Ridge Top........Northwest winds 10 to 15 mph with gusts to 35 mph. * Haines Index.......2-3. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......600 ft agl increasing to 2100-3100 ft agl in the afternoon. * Transport Winds....Light winds becoming northwest 10 to 15 mph in the afternoon. * Ventilation........Poor increasing to good in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Min Temperature.... * Valleys..........8-18. * Mid Slope........15-22. * 24 hr trend......5 degrees cooler. * Max Humidity....... * Valleys..........72-82%. * Mid Slope........54-64%. * 24 hr trend......13% wetter. * 20-Foot Winds...... * Valleys/Slope....North winds 7 to 12 mph. * Ridge Top........North winds 10 to 15 mph with gusts to 30 mph. * Haines Index.......2. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......800 ft agl. * Transport Winds....Light winds. * Ventilation........Marginal. .MARTIN LUTHER KING JR DAY... * Sky/Weather........Sunny. * Max Temperature.... * Valleys..........33-39. * Mid Slope........28-36. * Min Humidity....... * Valleys..........23-33%. * Mid Slope........25-35%. * 20-Foot Winds...... * Valleys/Slope....Northeast winds 8 to 13 mph. Gusts to 20 mph in the morning. * Ridge Top........Northeast winds 10 to 20 mph with gusts to 45 mph. * Haines Index.......2-3. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......600-1100 ft agl increasing to 1600-2100 ft agl in the afternoon. * Transport Winds....Northeast 10 to 15 mph. * Ventilation........Fair increasing to good in the afternoon. .Extended... .MONDAY NIGHT...Clear. Lows 4-14. East winds 8 to 13 mph in the evening becoming downslope 2 to 5 mph. .TUESDAY...Clear. Highs 41-51. Lows 4-14. Slope winds. .WEDNESDAY THROUGH THURSDAY...Clear. Highs 44-54. Lows 12-22. Slope winds. .FRIDAY...Partly cloudy. Highs 47-57. Lows 15-25. .SATURDAY...Partly cloudy. Slight chance of snow showers. Highs 37-43. $$ NVZ421-200015- Southern Sierra Front including Alpine, Northern Mono, Southern Lyon, and Western Mineral Counties- 408 AM PST Sun Jan 19 2025 .TODAY... * Sky/Weather........Sunny. * Max Temperature.... * Valleys..........44-54. * Mid Slope........39-49. * 24 hr trend......7 degrees warmer. * Min Humidity....... * Valleys..........16-26%. * Mid Slope........13-23%. * 24 hr trend......4% drier. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming north 9 to 16 mph with gusts to 25 mph late in the afternoon. * Ridge Top........West winds 20 to 30 mph with gusts to 40 mph. * Haines Index.......2-3. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......600-700 ft agl increasing to 2300-3300 ft agl in the afternoon. * Transport Winds....Light winds becoming northwest 15 to 20 mph in the afternoon. * Ventilation........Marginal increasing to very good in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Min Temperature.... * Valleys..........7-17. * Mid Slope........12-22. * 24 hr trend......8 degrees cooler. * Max Humidity....... * Valleys..........66-76%. * Mid Slope........50-60%. * 24 hr trend......9% wetter. * 20-Foot Winds...... * Valleys/Slope....North winds 5 to 10 mph with gusts to 20 mph in the evening becoming downslope 2 to 5 mph. * Ridge Top........Northwest winds 10 to 15 mph with gusts to 30 mph. * Haines Index.......2. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......800 ft agl. * Transport Winds....Light winds. * Ventilation........Marginal. .MARTIN LUTHER KING JR DAY... * Sky/Weather........Sunny. * Max Temperature.... * Valleys..........28-38. * Mid Slope........24-34. * Min Humidity....... * Valleys..........22-32%. * Mid Slope........19-29%. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming northeast 9 to 14 mph in the afternoon. * Ridge Top........Northeast winds 15 to 25 mph with gusts to 65 mph increasing to 25 to 35 mph with gusts to 70 mph in the afternoon. * Haines Index.......2-3. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......700-1200 ft agl increasing to 1400-1900 ft agl in the afternoon. * Transport Winds....Northeast 10 to 20 mph. * Ventilation........Fair increasing to good in the afternoon. .Extended... .MONDAY NIGHT...Clear. Lows 7-17. Northeast winds 7 to 12 mph in the evening becoming downslope 2 to 5 mph. .TUESDAY...Clear. Highs 45-55. Lows 7-17. Slope winds. .WEDNESDAY THROUGH THURSDAY...Clear. Highs 46-56. Lows 15-25. Slope winds. .FRIDAY...Partly cloudy. Slight chance of snow showers. Highs 48-58. Lows 15-25. .SATURDAY...Mostly cloudy. Chance of snow showers. Highs 31-41. $$ CAZ272-200015- Greater Lake Tahoe and Truckee Area- 408 AM PST Sun Jan 19 2025 .TODAY... * Sky/Weather........Sunny. * Max Temperature.... * Valleys..........39-44. * Mid Slope........36-46. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........26-36%. * Mid Slope........22-32%. * 24 hr trend......6% drier. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........West winds 15 to 25 mph with gusts to 40 mph. * Haines Index.......2. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......600-800 ft agl increasing to 2100-3100 ft agl in the afternoon. * Transport Winds....West 10 to 15 mph. * Ventilation........Marginal increasing to fair in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Min Temperature.... * Valleys..........11-21. * Mid Slope........11-20. * 24 hr trend......8 degrees cooler. * Max Humidity....... * Valleys..........75-85%. * Mid Slope........57-67%. * 24 hr trend......6% wetter. * 20-Foot Winds...... * Valleys/Slope....Downslope 2 to 5 mph becoming east 9 to 15 mph with gusts to 25 mph. * Ridge Top........North winds 15 to 25 mph with gusts to 40 mph. * Haines Index.......2. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......700-1200 ft agl decreasing to 600-700 ft agl after midnight. * Transport Winds....North 10 to 15 mph. * Ventilation........Marginal. .MARTIN LUTHER KING JR DAY... * Sky/Weather........Sunny. * Max Temperature.... * Valleys..........26-31. * Mid Slope........22-32. * Min Humidity....... * Valleys..........26-36%. * Mid Slope........23-33%. * 20-Foot Winds...... * Valleys/Slope....East winds 12 to 20 mph increasing to 15 to 25 mph in the late morning and afternoon. Gusts to 35 mph. * Ridge Top........East winds 25 to 40 mph. Gusts to 55 mph increasing to 75 mph in the late morning and afternoon. * Haines Index.......2. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......900-1400 ft agl. * Transport Winds....East 10 to 20 mph increasing to 20 to 30 mph in the afternoon. * Ventilation........Fair increasing to very good in the afternoon. .Extended... .MONDAY NIGHT...Clear. Lows 8-18. East winds 13 to 20 mph becoming downslope 2 to 5 mph. .TUESDAY...Clear. Highs 43-49. Lows 8-18. Slope winds. .WEDNESDAY THROUGH THURSDAY...Clear. Highs 43-53. Lows 16-26. Slope winds. .FRIDAY...Partly cloudy. Slight chance of snow showers. Highs 42-47. Lows 13-23. .SATURDAY...Mostly cloudy. Chance of snow showers. Highs 28-33. $$ NVZ423-200015- West Humboldt Basin in Pershing County- 408 AM PST Sun Jan 19 2025 .TODAY... * Sky/Weather........Sunny. * Max Temperature.... * Valleys..........40-46. * Mid Slope........35-45. * 24 hr trend......4 degrees warmer. * Min Humidity....... * Valleys..........19-29%. * Mid Slope........21-31%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph. * Ridge Top........Northwest winds 10 to 15 mph with gusts to 35 mph. * Haines Index.......2. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......600-700 ft agl increasing to 1600-2600 ft agl in the afternoon. * Transport Winds....Light winds. * Ventilation........Poor increasing to fair in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Min Temperature.... * Valleys..........7-17. * Mid Slope........12-22. * 24 hr trend......Little change. * Max Humidity....... * Valleys..........67-77%. * Mid Slope........50-60%. * 24 hr trend......12% wetter. * 20-Foot Winds...... * Valleys/Slope....Downslope 2 to 5 mph becoming north 8 to 13 mph in the late evening and overnight. * Ridge Top........North winds 10 to 20 mph with gusts to 35 mph. * Haines Index.......2. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......800 ft agl. * Transport Winds....North 10 to 15 mph. * Ventilation........Marginal. .MARTIN LUTHER KING JR DAY... * Sky/Weather........Sunny. * Max Temperature.... * Valleys..........33-39. * Mid Slope........28-38. * Min Humidity....... * Valleys..........25-35%. * Mid Slope........28-38%. * 20-Foot Winds...... * Valleys/Slope....Northeast winds 9 to 14 mph. * Ridge Top........Northeast winds 10 to 20 mph with gusts to 45 mph. * Haines Index.......2-3. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......600-900 ft agl increasing to 1700-2200 ft agl in the afternoon. * Transport Winds....Northeast 10 to 15 mph. * Ventilation........Fair increasing to good in the afternoon. .Extended... .MONDAY NIGHT...Clear. Lows 6-16. Downslope 2 to 5 mph. .TUESDAY...Clear. Highs 39-45. Lows 6-16. Slope winds. .WEDNESDAY...Clear. Highs 44-49. Lows 10-20. Slope winds. .THURSDAY...Clear. Highs 45-51. Lows 13-23. Slope winds. .FRIDAY...Partly cloudy. Highs 46-52. Lows 16-26. .SATURDAY...Partly cloudy. Slight chance of snow showers. Highs 39-45. $$ NVZ429-200015- Lahontan Basin including Churchill and Eastern Mineral Counties- 408 AM PST Sun Jan 19 2025 .TODAY... * Sky/Weather........Sunny. * Max Temperature.... * Valleys..........41-51. * Mid Slope........38-48. * 24 hr trend......5 degrees warmer. * Min Humidity....... * Valleys..........20-30%. * Mid Slope........17-27%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming north 7 to 12 mph with gusts to 25 mph late in the afternoon. * Ridge Top........West winds 10 to 20 mph with gusts to 40 mph. * Haines Index.......3. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......600-700 ft agl increasing to 1700-2700 ft agl in the afternoon. * Transport Winds....Light winds becoming northwest 10 to 15 mph in the afternoon. * Ventilation........Poor increasing to good in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Min Temperature.... * Valleys..........9-19. * Mid Slope........14-24. * 24 hr trend......4 degrees cooler. * Max Humidity....... * Valleys..........65-75%. * Mid Slope........47-57%. * 24 hr trend......14% wetter. * 20-Foot Winds...... * Valleys/Slope....North winds 5 to 10 mph with gusts to 25 mph in the evening becoming downslope 2 to 5 mph, then becoming north 7 to 12 mph after midnight. * Ridge Top........North winds 10 to 15 mph with gusts to 40 mph. * Haines Index.......2. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......600-1100 ft agl. * Transport Winds....Light winds. * Ventilation........Marginal. .MARTIN LUTHER KING JR DAY... * Sky/Weather........Sunny. * Max Temperature.... * Valleys..........31-41. * Mid Slope........28-36. * Min Humidity....... * Valleys..........25-35%. * Mid Slope........24-34%. * 20-Foot Winds...... * Valleys/Slope....North winds 8 to 13 mph. Gusts to 20 mph in the afternoon. * Ridge Top........North winds 10 to 20 mph. Gusts to 40 mph increasing to 45 mph late in the afternoon. * Haines Index.......2-3. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......600-900 ft agl increasing to 1800-2800 ft agl in the afternoon. * Transport Winds....North 10 to 15 mph. * Ventilation........Fair increasing to good in the afternoon. .Extended... .MONDAY NIGHT...Clear. Lows 5-15. North winds 8 to 13 mph in the evening becoming downslope 2 to 5 mph. .TUESDAY...Clear. Highs 40-48. Lows 5-15. Slope winds. .WEDNESDAY...Clear. Highs 43-51. Lows 10-20. Slope winds. .THURSDAY...Clear. Highs 46-54. Lows 13-23. Slope winds. .FRIDAY...Partly cloudy. Highs 48-56. Lows 18-28. .SATURDAY...Partly cloudy. Slight chance of snow showers. Highs 37-47. $$ CAZ270-278-NVZ458-200015- Surprise Valley California-Eastern Lassen County- Northern Washoe County- 408 AM PST Sun Jan 19 2025 .TODAY... * Sky/Weather........Sunny. * Max Temperature.... * Valleys..........40-50. * Mid Slope........36-46. * 24 hr trend......6 degrees warmer. * Min Humidity....... * Valleys..........23-33%. * Mid Slope........25-35%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming northwest 9 to 14 mph late in the afternoon. * Ridge Top........Northwest winds 10 to 20 mph with gusts to 35 mph. * Haines Index.......2. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......600 ft agl increasing to 1800-2800 ft agl in the afternoon. * Transport Winds....Northwest 10 to 20 mph. * Ventilation........Poor increasing to good in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Min Temperature.... * Valleys..........9-19. * Mid Slope........12-22. * 24 hr trend......5 degrees cooler. * Max Humidity....... * Valleys..........72-82%. * Mid Slope........60-70%. * 24 hr trend......11% wetter. * 20-Foot Winds...... * Valleys/Slope....North winds 8 to 13 mph. * Ridge Top........North winds 10 to 15 mph with gusts to 35 mph. * Haines Index.......2. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......800 ft agl. * Transport Winds....North 10 to 15 mph. * Ventilation........Fair. .MARTIN LUTHER KING JR DAY... * Sky/Weather........Sunny. * Max Temperature.... * Valleys..........31-39. * Mid Slope........29-35. * Min Humidity....... * Valleys..........29-39%. * Mid Slope........33-43%. * 20-Foot Winds...... * Valleys/Slope....Northeast winds 9 to 14 mph. Gusts to 20 mph late in the afternoon. * Ridge Top........Northeast winds 10 to 20 mph with gusts to 35 mph. * Haines Index.......2-3. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......600-1000 ft agl increasing to 1400-1900 ft agl in the afternoon. * Transport Winds....Northeast 10 to 15 mph. * Ventilation........Fair increasing to good in the afternoon. .Extended... .MONDAY NIGHT...Clear. Lows 10-20. East winds 8 to 13 mph in the evening becoming downslope 2 to 5 mph. .TUESDAY...Clear. Highs 38-48. Lows 10-20. Slope winds. .WEDNESDAY...Clear. Highs 42-52. Lows 15-25. Slope winds. .THURSDAY...Clear. Highs 43-53. Lows 18-28. Slope winds. .FRIDAY...Partly cloudy. Highs 45-53. Lows 18-28. .SATURDAY...Partly cloudy. Slight chance of snow showers. Highs 34-43. $$ CAZ271-200015- Western Lassen, Eastern Plumas, and Eastern Sierra Counties- 408 AM PST Sun Jan 19 2025 .TODAY... * Sky/Weather........Sunny. * Max Temperature.... * Valleys..........41-51. * Mid Slope........40-50. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........17-27%. * Mid Slope........16-26%. * 24 hr trend......Little change. * 20-Foot Winds...... * Valleys/Slope....Upslope 4 to 8 mph becoming northwest 5 to 10 mph late in the afternoon. * Ridge Top........Northwest winds 10 to 15 mph with gusts to 30 mph. * Haines Index.......2. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......600-700 ft agl increasing to 1800-2800 ft agl in the afternoon. * Transport Winds....Light winds becoming northwest 10 to 15 mph in the afternoon. * Ventilation........Poor increasing to good in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Min Temperature.... * Valleys..........11-21. * Mid Slope........13-23. * 24 hr trend......5 degrees cooler. * Max Humidity....... * Valleys..........67-77%. * Mid Slope........56-66%. * 24 hr trend......5% wetter. * 20-Foot Winds...... * Valleys/Slope....Downslope 2 to 5 mph becoming northeast 7 to 12 mph after midnight. * Ridge Top........Northeast winds 10 to 15 mph with gusts to 30 mph. * Haines Index.......2. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......800 ft agl. * Transport Winds....Northeast 10 to 15 mph. * Ventilation........Fair. .MARTIN LUTHER KING JR DAY... * Sky/Weather........Sunny. * Max Temperature.... * Valleys..........31-41. * Mid Slope........28-38. * Min Humidity....... * Valleys..........16-26%. * Mid Slope........19-29%. * 20-Foot Winds...... * Valleys/Slope....East winds 9 to 14 mph. * Ridge Top........East winds 10 to 20 mph with gusts to 50 mph increasing to 20 to 30 mph with gusts to 50 mph in the afternoon. * Haines Index.......2. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......600-900 ft agl increasing to 1300-1800 ft agl in the afternoon. * Transport Winds....East 10 to 15 mph increasing to 15 to 25 mph in the afternoon. * Ventilation........Fair increasing to good in the afternoon. .Extended... .MONDAY NIGHT...Clear. Lows 7-17. East winds 8 to 13 mph until early morning becoming downslope 2 to 5 mph. .TUESDAY...Clear. Highs 43-51. Lows 7-17. Slope winds. .WEDNESDAY THROUGH THURSDAY...Clear. Highs 45-55. Lows 15-25. Slope winds. .FRIDAY...Partly cloudy. Slight chance of snow showers. Highs 44-54. Lows 15-25. .SATURDAY...Partly cloudy. Slight chance of snow showers. Highs 33-41. $$ CAZ274-200015- Southern Mono County- 408 AM PST Sun Jan 19 2025 .TODAY... * Sky/Weather........Sunny. * Max Temperature.... * Valleys..........43-53. * Mid Slope........40-49. * 24 hr trend......Little change. * Min Humidity....... * Valleys..........6-16%. * Mid Slope........11-21%. * 24 hr trend......7% wetter. * 20-Foot Winds...... * Valleys/Slope....Northwest winds 9 to 15 mph. Gusts to 30 mph. * Ridge Top........Northwest winds 15 to 25 mph with gusts to 40 mph. * Haines Index.......2. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......600-800 ft agl increasing to 2600-3600 ft agl in the afternoon. * Transport Winds....West 10 to 15 mph shifting to the northwest 15 to 25 mph in the afternoon. * Ventilation........Marginal increasing to very good in the afternoon. .TONIGHT... * Sky/Weather........Clear. * Min Temperature.... * Valleys..........7-17. * Mid Slope........9-19. * 24 hr trend......8 degrees cooler. * Max Humidity....... * Valleys..........67-77%. * Mid Slope........47-57%. * 24 hr trend......22% wetter. * 20-Foot Winds...... * Valleys/Slope....Northwest winds 8 to 13 mph. Gusts to 25 mph in the evening. * Ridge Top........Northwest winds 10 to 20 mph with gusts to 45 mph. * Haines Index.......2. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......800 ft agl. * Transport Winds....Northwest 10 to 15 mph. * Ventilation........Fair. .MARTIN LUTHER KING JR DAY... * Sky/Weather........Sunny. * Max Temperature.... * Valleys..........29-39. * Mid Slope........25-34. * Min Humidity....... * Valleys..........6-16%. * Mid Slope........13-23%. * 20-Foot Winds...... * Valleys/Slope....North winds 9 to 14 mph. Gusts to 25 mph in the late morning and afternoon. * Ridge Top........North winds 15 to 25 mph with gusts to 50 mph increasing to 30 to 40 mph with gusts to 60 mph in the afternoon. * Haines Index.......2. * LAL................1. * Chc Wetting Rain...0%. * Mixing Height......700-1200 ft agl increasing to 1700-2200 ft agl in the afternoon. * Transport Winds....North 10 to 15 mph increasing to 15 to 25 mph in the afternoon. * Ventilation........Good increasing to very good in the afternoon. .Extended... .MONDAY NIGHT...Clear. Lows 7-17. North winds 8 to 13 mph in the evening becoming downslope 2 to 5 mph. .TUESDAY...Clear. Highs 44-54. Lows 7-17. Slope winds. .WEDNESDAY THROUGH THURSDAY...Clear. Highs 47-57. Lows 17-27. Slope winds. .FRIDAY...Clear. Highs 47-57. Lows 15-25. .SATURDAY...Partly cloudy. Slight chance of snow showers. Highs 32-42. $$ .8 to 14 day outlook for (Sun Jan 26 through Sat Feb 1) Below normal temperatures and precipitation. = $$ http://weather.gov/reno