Spot Forecast
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
147 FNUS75 KTFX 191721 FWSTFX Spot Forecast for Dalton Fire...Southwest Monana Incident Management Team National Weather Service Great Falls MT 1121 AM MDT Fri Jul 19 2024 Forecast is based on forecast start time of 1200 MDT on July 19. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Hot and dry conditions, along with light winds are expected over the fire for the next several days. Ridgetop wind gusts around 15 mph are expected during the afternoon hours under a dry and deeply mixed surface layer. Overnight humidity recovery is moderate. The upper level ridge is forecast to weaken for the middle of next week, producing stronger southwest winds. .REST OF TODAY... Sky/weather.........Sunny (5-15 percent). Haze. CWR.................0 percent. LAL.................1. Max temperature.....89-94. Min humidity........12-17 percent. Wind (20 ft)........ Slope/valley.......West winds 5 to 10 mph. Ridgetop...........West 10 to 15 mph. Haines Index........4 or low potential for large plume dominated fire growth. TIME (MDT) NOON 2 PM 4 PM Sky (%).........7 7 7 Weather cov.....DEFNTE DEFNTE Weather type....HAZE HAZE NONE Tstm cov........ CWR.............0 0 0 LAL.............1 1 1 Temp............82 87 91 RH..............22 15 14 20 ft wind......W 5 W 5 W 10 20 ft wind gust.10 15 15 Ridgetop wind...W 10 W 10 W 15 Haines index....4 4 4 .TONIGHT... Sky/weather.........Mostly clear (0-10 percent). Haze. CWR.................0 percent. LAL.................1. Min temperature.....50-55. Max humidity........60-65 percent. Wind (20 ft)........ Slope/valley.......Variable winds calm to 5 mph. Ridgetop...........Northwest 5 to 10 mph shifting to northeast. TIME (MDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........9 7 6 6 5 5 Weather cov..... DEFNTE DEFNTE DEFNTE DEFNTE Weather type....NONE NONE HAZE HAZE HAZE HAZE Tstm cov........ CWR.............0 0 0 0 0 0 LAL.............1 1 1 1 1 1 Temp............92 88 73 64 60 55 RH..............14 19 31 45 51 56 20 ft wind......NW 10 N 5 NE 5 E 5 SE 5 SE 5 20 ft wind gust.15 10 10 10 Ridgetop wind...W 15 NW 10 N 10 E 10 E 5 NE 5 Haines index....4 4 M M M M .SATURDAY... Sky/weather.........Sunny (10-20 percent). Haze. CWR.................5 percent. LAL.................1. Max temperature.....90-95. Min humidity........12-17 percent. Wind (20 ft)........ Slope/valley.......East-Northeast winds 5 to 10 mph. Ridgetop...........Northeast 5 to 10 mph, gusting 15 to 20 mph in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth early in the morning. TIME (MDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........5 4 4 20 20 29 Weather cov.....DEFNTE DEFNTE DEFNTE DEFNTE Weather type....HAZE NONE NONE HAZE HAZE HAZE Tstm cov........ CWR.............0 0 0 10 10 10 LAL.............1 1 1 1 1 1 Temp............52 61 77 87 92 93 RH..............61 49 36 20 16 16 20 ft wind......SE 5 E 0 E 0 NE 5 NE 5 NE 5 20 ft wind gust. 5 5 10 10 20 Ridgetop wind...NE 5 NE 5 NE 5 N 5 NE 5 NE 5 Haines index....M 4 4 4 4 4 $$ Forecaster...Nutter Requested by...Tavis Campbell Type of request...WILDFIRE .TAG 2418354.10/TFX .DELDT 07/19/24 .FormatterVersion 2.0.0 .EMAIL campbelltavis@gmail.com, tfx.ops@noaa.gov, mthdc@fire.net