Spot Forecast
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
906 FNUS75 KSLC 131239 FWSSLC Spot Forecast for Little Twist...USFS National Weather Service Salt Lake City UT 639 AM MDT Sat Jul 13 2024 Forecast is based on forecast start time of 0600 MDT on July 12. If conditions become unrepresentative...contact the National Weather Service. ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS EVENING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS... .DISCUSSION...Increasing moisture across the area will lead to the development of showers and thunderstorms this afternoon, many of them dry initially with an increasing mix of wet thunderstorms. This activity will be capable of producing gusty and erratic winds of 35-45 mph with a low, or 10 percent chance of gusts up to 60 mph. Showers and a thunderstorm or two will linger this evening with isolated showers overnight. Each day from Sunday through Thursday, afternoon showers and thunderstorms will develop over the terrain, with a mix of both wet and dry thunderstorms. A slight increase in humidity early in the week will be replaced with a slight warming and drying trend by later in the week. Outside of showers and thunderstorm induced erratic winds, expect repeatable winds in valleys each day with overnight drainage winds and afternoon upvalley winds. .TODAY... Sky/weather.........Partly sunny (60-70 percent cloud cover) then becoming mostly cloudy (70-80 percent cloud cover). Showers likely and chance of thunderstorms early in the afternoon. Slight chance of dry thunderstorms. CWR.................8 percent. Chance of pcpn......60 percent. LAL.................1 until 1200, then 6. Max temperature.....82-84 in lower elevations, around 80 higher elevations. Min humidity........15-17 percent lower elevations, 20-23 percent higher elevations. Wind (20 ft)........Downvalley/downslope winds 3-8 mph becoming upvalley 7-15 mph around 1100. At ridgetops, east winds 6-13 mph becoming southeast late in the morning and increasing to 6-14 mph. Gusty and erratic winds expected near showers and thunderstorms. Transport winds.....South 9 to 12 mph. Haines Index........6. .TONIGHT... Sky/weather.........Mostly cloudy (70-80 percent cloud cover) then becoming partly cloudy (50-60 percent cloud cover). Slight chance of showers and thunderstorms in the evening then a chance of showers overnight. CWR.................6 percent. Chance of pcpn......30 percent. LAL.................6 in the evening, then 1. Min temperature.....61-63 in lower elevations, 56-58 in higher elevation. Max humidity........45-47 percent in lower elevations, 50-53 percent in higher elevations. Wind (20 ft)........Northwest winds 3-8 mph in valleys, becoming downvalley and downslope between 2300-2400. At ridgetops, northwest 10-20 mph with gusts to 25 mph decreasing to 7-14 mph after midnight. Haines Index........6. .SUNDAY... Sky/weather.........Partly sunny (50-60 percent cloud cover) then becoming mostly cloudy (70-80 percent cloud cover). Showers likely and chance of thunderstorms early in the afternoon. Slight chance of dry thunderstorms. CWR.................30 percent. Chance of pcpn......70 percent. LAL.................1 until 1200, then 4. Max temperature.....79-82 in lower elevations, 77-80 higher elevations. Min humidity........15-17 percent lower elevations, 30-33 percent higher elevations. Wind (20 ft)........Downvalley/downslope winds 3-8 mph becoming upvalley 7-15 mph around 1100. Gusts around 20 mph in the afternoon. At ridgetops, northwest winds 7-14 mph becoming southeast shortly after sunrise then becoming northwest around 1100 and increasing to 8-16 mph with gusts near 25 mph. Gusty and erratic winds expected near showers and thunderstorms. Transport winds.....South 9 to 12 mph. Haines Index........5. .SUNDAY NIGHT... Sky/weather.........Mostly cloudy (70-80 percent cloud cover) in the evening then becoming partly cloudy (30-40 percent cloud cover). Slight chance of showers and thunderstorms in the evening. CWR.................5 percent. Chance of pcpn......30 percent in the evening. LAL.................4 in the evening, then 1. Min temperature.....59-61 in lower elevations, 53-58 in higher elevation. Max humidity........46-48 percent in lower elevations, 53-56 percent in higher elevations. Wind (20 ft)........West winds 7-14 mph in valleys, and 8-16 mph with gusts around 25 mph at ridgetops becoming downslope/downvalley 3-8 mph around 2300. At ridgetops, winds decreasing to 6-13 mph overnight. Haines Index........4. .MONDAY... Sky/weather.........Partly cloudy (30-40 percent cloud cover) then becoming mostly cloudy (60-70 percent cloud cover). Chance of showers and thunderstorms in the afternoon. CWR.................10 percent. Chance of pcpn......50 percent. LAL.................1 until 1200, then 4. Max temperature.....79-82 in lower elevations, 76-79 higher elevations. Min humidity........23-25 percent lower elevations, 26-29 percent higher elevations. Wind (20 ft)........Downvalley/downslope winds 3-8 mph becoming upvalley 7-15 mph around 1100. At ridgetop, northwest winds 7-16 mph in the morning becoming west in the afternoon. Haines Index........5. .MONDAY NIGHT... Sky/weather.........Mostly cloudy (50-60 percent cloud cover) in the evening then becoming partly cloudy (20-30 percent cloud cover). Slight chance of showers and thunderstorms in the evening. CWR.................7 percent. Chance of pcpn......15 percent in the evening. LAL.................4 early in the evening, then 2, then 1 overnight. Min temperature.....59-61 in lower elevations, 53-58 in higher elevation. Max humidity........46-48 percent in lower elevations, 53-56 percent in higher elevations. Wind (20 ft)........West winds 7-15 mph in valleys becoming downslope/downvalley 3-8 mph towards midnight. At ridgetops, west winds 7-16 mph becoming northwest towards midnight then north and decreasing to 5-11 mph towards sunrise. Haines Index........5. .TUESDAY... Sky/weather.........Partly cloudy (20-30 percent cloud cover) then becoming partly sunny (50-60 percent cloud cover). Chance of showers and thunderstorms in the afternoon. CWR.................5 percent. Chance of pcpn......40 percent. LAL.................1 until 1200, then 2. Max temperature.....79-82 in lower elevations, 76-79 higher elevations. Min humidity........20-23 percent lower elevations, 22-25 percent higher elevations. Wind (20 ft)........Downvalley/downslope winds 3-8 mph becoming upvalley 7-15 mph around 1100. At ridgetop, north winds 5-11 mph becoming northwest 7-14 mph in the afternoon. Haines Index........5. .TUESDAY NIGHT... Sky/weather.........Partly sunny (50-60 percent cloud cover) in the evening then becoming partly cloudy (20-30 percent cloud cover). Slight chance of showers and thunderstorms in the evening. CWR.................3 percent. Chance of pcpn......15 percent in the evening. LAL.................2 early in the evening, then 1 overnight. Min temperature.....60-63 in lower elevations, 57-60 in higher elevation. Max humidity........30-33 percent in lower elevations, 33-36 percent in higher elevations. Wind (20 ft)........West winds 7-15 mph in valleys becoming downslope/downvalley 3-8 mph towards midnight. At ridgetops, west winds 7-14 mph. Haines Index........5. .WEDNESDAY... Sky/weather.........Partly cloudy (10-20 percent cloud cover) then becoming partly sunny (50-60 percent cloud cover). Slight chance of showers and thunderstorms in the afternoon. Chance of pcpn......30 percent. LAL.................1 until 1200, then 2. Max temperature.....79-82 in lower elevations, 76-79 higher elevations. Min humidity........17-20 percent lower elevations, 20-22 percent higher elevations. Wind (20 ft)........Downvalley/downslope winds 3-8 mph becoming upvalley 7-15 mph around 1100. At ridgetop, west winds 7-15 mph. Haines Index........6. .WEDNESDAY NIGHT... Sky/weather.........Partly sunny (50-60 percent cloud cover) in the evening then becoming partly cloudy (20-30 percent cloud cover). Slight chance of showers and thunderstorms in the evening. Chance of pcpn......15 percent in the evening. LAL.................2 early in the evening, then 1 overnight. Min temperature.....61-64 in lower elevations, 59-62 in higher elevation. Max humidity........27-30 percent in lower elevations, 30-33 percent in higher elevations. Wind (20 ft)........West winds 7-15 mph in valleys becoming downslope/downvalley 3-8 mph towards midnight. At ridgetops, west winds 7-14 mph becoming northwest after midnight. Haines Index........5. .THURSDAY... Sky/weather.........Partly cloudy (10-20 percent cloud cover) then becoming partly sunny (50-60 percent cloud cover). Slight chance of showers and thunderstorms in the afternoon. Chance of pcpn......35 percent. LAL.................1 until 1200, then 4. Max temperature.....80-83 in lower elevations, 77-80 higher elevations. Min humidity........18-21 percent lower elevations, 21-23 percent higher elevations. Wind (20 ft)........Downvalley/downslope winds 3-8 mph becoming upvalley 7-15 mph around 1100. At ridgetop, northwest winds 7-14 mph becoming southwest to northwest in the afternoon. Haines Index........5. $$ Forecaster...ADeSmet Requested by...Bo Robb Type of request...WILDFIRE .TAG 2417841.4/SLC .DELDT 07/13/24 .FormatterVersion 2.0.0 .EMAIL bo.robb@usda.gov