Spot Forecast
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
539
FNUS75 KTFX 181112
FWSTFX
Spot Forecast for Queen Gulch...MTHDC
National Weather Service Great Falls MT
512 AM MDT Tue Aug 18 2026
Forecast is based on forecast start time of 0700 MDT on August 18.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...
Today it will be warm with showers and thunderstorms around the
fire. All thunderstorms will produce frequent lightning, a brief
heavy downpour, small hail, and gusty, erratic winds. Tonight
there will be poor humidity recovery. Today and tomorrow it will
be warm with winds of 5 to 10 mph with gusts up to 20 mph.
Tomorrow it will be dry with critically low relative humidity.
.REST OF TODAY...
Sky/weather.........Partly sunny (60-70 percent). Chance of rain showers
and thunderstorms in the afternoon.
CWR.................0 percent increasing to 10 percent in the
afternoon.
Chance of thunder...25 percent.
Max temperature.....62-67.
Min humidity........30-35 percent.
Wind (20 ft)........
Slope/valley.......West winds 5 to 10 mph. Gusty and erratic winds
expected near thunderstorms in the afternoon.
Ridgetop...........West 10 to 15 mph increasing to around 20 mph
late in the afternoon.
Mixing height.......8500 ft AGL.
Transport winds.....West 5 to 10 mph increasing to around 15 mph in
the afternoon.
TIME (MDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........68 66 63 60 56 59 61 63 68 69 73
Weather cov..... CHC CHC CHC CHC CHC CHC
Weather type.... RW RW RW RW RW RW
Tstm cov........ SCH SCH SCH CHC CHC CHC
CWR.............0 0 0 0 0 10 10 10 10 10 10
Chc of thdr (%).0 0 0 0 0 20 20 20 30 30 30
Temp............53 55 55 57 59 61 62 62 63 64 62
RH..............53 55 54 47 42 37 40 35 35 35 37
20 FT wind dir..W W W W W W W W W W W
20 FT wind spd..5 5 5 5 5 5 10 10 10 10 10
20 FT wind gust. 10 10 10 15 15 20 20 20 15
Ridge wind dir..W W W W W W W W W W W
Ridge wind spd..10 15 15 15 15 15 15 15 15 20 20
Mix hgt (kft)...0.5 0.5 1.0 3.0 5.0 7.5 8.5 8.5 6.0 6.5 6.0
Transp wind dir.SW SW W W W W W W W W W
Transp wind spd.5 5 5 5 10 10 15 15 15 15 15
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of rain
showers early in the evening, then slight
chance of rain showers late in the evening.
CWR.................5 percent.
Chance of thunder...10 percent.
Min temperature.....49-54.
Max humidity........49-54 percent.
Wind (20 ft)........
Slope/valley.......West winds 5 to 10 mph.
Ridgetop...........Northwest 15 to 20 mph.
Mixing height.......500 ft AGL.
Transport winds.....West 10 to 15 mph.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........59 69 70 45 65 46 45 22 17 17 18 22
Weather cov.....CHC CHC CHC SCH
Weather type....RW RW RW RW
Tstm cov........
CWR.............10 10 10 10 10 10 0 0 0 0 0 0
Chc of thdr (%).10 10 10 10 10 10 0 0 0 0 0 0
Temp............62 61 58 56 55 54 54 53 52 52 51 51
RH..............39 44 49 53 54 54 53 51 52 52 52 52
20 FT wind dir..W W W NW W NW NW W W W W W
20 FT wind spd..10 10 10 10 5 5 10 5 10 10 10 10
20 FT wind gust.15 20 15 10 10 10 15 15 15 15
Ridge wind dir..W NW NW NW NW NW NW NW W W W W
Ridge wind spd..20 20 20 20 20 20 20 20 15 15 15 15
Mix hgt (kft)...5.0 3.5 1.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.15 10 10 10 10 10 10 10 10 10 10 10
.WEDNESDAY...
Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....66-71.
Min humidity........15-20 percent.
Wind (20 ft)........
Slope/valley.......West winds 5 to 10 mph.
Ridgetop...........West around 15 mph.
Mixing height.......9000 ft AGL.
Transport winds.....West 10 to 15 mph.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........30 30 30 14 14 14 12 12 12 11 11 11
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............51 51 53 55 58 60 62 64 66 68 68 68
RH..............49 47 46 44 36 31 27 26 22 20 20 21
20 FT wind dir..W W W W W W W W W W W W
20 FT wind spd..10 10 10 5 5 5 10 10 10 5 5 5
20 FT wind gust.15 15 15 15 15 15 15 15 15 15 15 15
Ridge wind dir..W W W W W W W W W W W W
Ridge wind spd..15 15 15 15 15 15 15 15 15 15 15 15
Mix hgt (kft)...0.5 0.5 0.5 1.5 3.5 5.0 6.5 7.5 8.5 8.5 8.5 9.0
Transp wind dir.W NW W W W W W W W W W W
Transp wind spd.10 10 10 10 10 10 10 15 15 15 15 15
$$
Forecaster...Gesell
Requested by...Zack
Type of request...WILDFIRE
.TAG 2619429.5/TFX
.DELDT 08/18/26
.FormatterVersion 2.0.0
.EMAIL mthdc@firenet.gov,blake.wojcik@usda.gov,clint.reichert@usda.gov,michael.tuffelmire@usda.gov