Spot Forecast
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
896 FNUS75 KTFX 201742 FWSTFX Spot Forecast for Dalton Fire...Southwest Monana Incident Management Team National Weather Service Great Falls MT 1142 AM MDT Sat Jul 20 2024 Forecast is based on forecast start time of 1200 MDT on July 20. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Late morning satellite imagery shows the development of some ridgetop cumulus around the fire, with radar showing a few of these are beginning to produce rainfall about 10 miles east of the fire as of 1130 this morning. Expect any showers/thunderstorms to be slow moving, and outflows from nearby storms could cause gusty and erratic winds and additional development away from the initial storm. Otherwise, the warm weather will continue with highs near 90 today and Sunday, with overnight lows dipping to the mid 50s with RH values recovering to around 60%. .REST OF TODAY... Sky/weather.........Mostly sunny (25-35 percent). Slight chance of showers early in the afternoon. CWR.................5 percent. LAL.................1. Max temperature.....89-94. Min humidity........15-20 percent. Wind (20 ft)........ Slope/valley.......Northeast winds 5 to 10 mph. Ridgetop...........Northeast 5 to 10 mph. Haines Index........3 or very low potential for large plume dominated fire growth. TIME (MDT) NOON 2 PM 4 PM Sky (%).........25 25 39 Weather cov.....S CHC S CHC S CHC Weather type....RNSHWR RNSHWR RNSHWR Tstm cov........ CWR.............10 10 10 LAL.............1 1 1 Temp............86 89 89 RH..............25 21 20 20 ft wind......E 5 NE 5 NE 10 20 ft wind gust.10 15 15 Ridgetop wind...NE 5 NE 5 NE 10 Haines index....3 3 3 .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent). CWR.................0 percent. LAL.................1. Min temperature.....52-57. Max humidity........62-67 percent. Wind (20 ft)........ Slope/valley.......East winds 5 to 10 mph becoming around 5 mph overnight. Ridgetop...........Northeast 15 to 20 mph shifting to the east after 3 am. Haines Index........ TIME (MDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........33 22 22 22 22 23 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ CWR.............0 0 0 0 0 0 LAL.............1 1 1 1 1 1 Temp............89 85 73 66 62 56 RH..............20 21 34 47 55 62 20 ft wind......NE 10 NE 10 E 5 E 5 E 5 E 5 20 ft wind gust.15 15 15 15 10 10 Ridgetop wind...NE 15 E 20 E 25 E 25 E 20 E 15 Haines index....3 3 M M M M .SUNDAY... Sky/weather.........Sunny (0-10 percent). Haze late in the morning. CWR.................0 percent. LAL.................1. Max temperature.....88-93. Min humidity........14-19 percent. Wind (20 ft)........ Slope/valley.......Light winds becoming east 5 to 10 mph. Ridgetop...........East 10 to 15 mph. Haines Index........3 or very 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 (%).........6 5 2 3 3 8 Weather cov..... DEFNTE DEFNTE DEFNTE Weather type....NONE NONE NONE HAZE HAZE HAZE Tstm cov........ CWR.............0 0 0 0 0 0 LAL.............1 1 1 1 1 1 Temp............54 62 77 85 88 90 RH..............67 57 38 26 22 20 20 ft wind......SE 0 E 5 E 5 E 10 E 10 E 10 20 ft wind gust.10 10 10 15 15 15 Ridgetop wind...E 10 E 15 E 15 E 15 E 10 E 10 Haines index....M 3 3 3 3 3 $$ Forecaster...Ludwig Requested by...Tavis Campbell Type of request...WILDFIRE .TAG 2418354.21/TFX .DELDT 07/20/24 .FormatterVersion 2.0.0 .EMAIL tfx.ops@noaa.gov,campbelltavis@gmail.com,mthdc@firenet.gov