Spot Forecast
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
308
FNUS75 KTFX 200222
FWSTFX
Spot Forecast for Smith Gulch...HIDC
National Weather Service Great Falls MT
822 PM MDT Wed Aug 19 2026
Forecast is based on forecast start time of 2000 MDT on August 19.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...
Dry conditions are expected tonight through tomorrow. Expect a
warm day on Thursday, along with low humidity. Winds are expected
to be on the lighter side Thu. The next chance for storms looks to
be early on Saturday morning.
.REST OF TONIGHT...
Sky/weather.........Mostly cloudy (70-80 percent) then becoming
partly cloudy (25-35 percent). Patchy smoke
after 3 am.
CWR.................0 percent.
Chance of thunder...0 percent.
Min temperature.....54-59.
Max humidity........40-45 percent.
Wind (20 ft)........
Slope/valley.......West winds around 5 mph.
Ridgetop...........West 10 to 15 mph.
Mixing height.......500 ft AGL.
Transport winds.....West 5 to 10 mph.
TIME (MDT) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........76 41 38 42 31 14 15 23 24 26
Weather cov..... PTY
Weather type.... SMK
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0
Chc of thdr (%).0 0 0 0 0 0 0 0 0 0
Temp............79 73 69 67 65 63 62 61 59 58
RH..............25 29 33 36 38 38 40 42 43 43
20 FT wind dir..W W W W W W W W W W
20 FT wind spd..5 5 5 5 5 5 5 5 5 5
20 FT wind gust.10 10 10 10 10 10 10 10 10 10
Ridge wind dir..NW NW NW W W W W W W W
Ridge wind spd..15 10 10 10 10 10 10 10 10 10
Mix hgt (kft)...0.5 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
Transp wind spd.5 5 5 10 10 10 10 10 10 10
.THURSDAY...
Sky/weather.........Sunny (20-30 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....90-94.
Min humidity........11-14 percent.
Wind (20 ft)........
Slope/valley.......West winds around 5 mph early in the morning
becoming light and variable.
Ridgetop...........West 10 to 15 mph.
Mixing height.......10000 ft AGL.
Transport winds.....West 5 to 10 mph increasing to 15 to 20 mph in
the afternoon.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........32 33 31 27 24 22 21 20 20 17 16 20
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............57 56 60 65 71 75 79 83 88 90 92 92
RH..............45 45 41 36 30 28 24 22 19 15 13 12
20 FT wind dir..W W W S E SE S W W W W W
20 FT wind spd..5 5 5 0 0 5 5 5 5 5 10 10
20 FT wind gust.10 10 10 5 5 10 10 10 15 15 20 20
Ridge wind dir..W W SW SW SW W W W W W W W
Ridge wind spd..10 15 15 15 15 15 15 15 15 15 15 10
Mix hgt (kft)...0.5 0.5 0.5 0.5 1.5 2.5 4.5 6.0 8.5 10 9.5 9.5
Transp wind dir.W W W SW SW W W W W W W W
Transp wind spd.10 10 5 5 5 10 10 15 15 20 15 15
.THURSDAY NIGHT...
Sky/weather.........Partly cloudy (35-45 percent) then becoming
mostly cloudy (45-55 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Min temperature.....58-63.
Max humidity........36-41 percent.
Wind (20 ft)........
Slope/valley.......Northwest winds around 5 mph shifting to the
west in the late evening.
Ridgetop...........Northwest around 10 mph, becoming light and
variable overnight.
Mixing height.......500 ft AGL.
Transport winds.....West around 10 mph shifting to the northwest in
the evening and overnight.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........38 38 38 52 52 52 26 26 26 39 39 39
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............88 87 83 77 74 72 70 68 67 66 64 63
RH..............17 19 23 27 29 31 33 34 36 37 38 39
20 FT wind dir..NW NW NW W W W W W W W W W
20 FT wind spd..5 5 5 5 5 5 5 5 5 0 0 0
20 FT wind gust.15 15 15 10 10 10 5 5 5
Ridge wind dir..NW NW N NE NE E E SE S N SW NW
Ridge wind spd..10 10 5 5 5 5 5 5 0 0 0 5
Mix hgt (kft)...8.0 4.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.W N N N NW NW NW W W W W W
Transp wind spd.10 5 5 5 5 5 5 5 5 5 10 10
.FRIDAY...
Sky/weather.........Mostly sunny (25-35 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....90-94.
Min humidity........Near 15 percent.
Wind (20 ft)........
Slope/valley.......Light winds becoming north around 5 mph in the
late morning and early afternoon, then shifting
to the northeast late in the afternoon.
Ridgetop...........Northwest around 5 mph shifting to the west 0
to 5 mph early in the morning, then shifting to
the north around 5 mph late in the afternoon.
Mixing height.......6500 ft AGL.
Transport winds.....Northwest 5 to 10 mph shifting to the north
late in the afternoon.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........44 44 44 18 18 18 15 15 15 25 25 25
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............62 61 63 67 70 74 77 81 85 89 91 92
RH..............42 44 43 40 38 36 34 28 23 19 17 17
20 FT wind dir..W W W N N N NE NE NE NE NE NE
20 FT wind spd..0 0 0 5 5 5 5 5 5 10 10 10
20 FT wind gust.5 5 5 15 15 15 15 15 15
Ridge wind dir..NW NW W W W SW SW W W NW N NE
Ridge wind spd..5 5 5 0 0 0 0 0 0 0 5 5
Mix hgt (kft)...0.5 0.5 0.5 1.0 1.5 2.5 3.0 4.5 5.5 6.5 6.5 5.5
Transp wind dir.NW NW N N N N N N NW NW NW N
Transp wind spd.5 10 5 5 5 5 5 10 10 10 10 10
$$
Forecaster...Brusda
Requested by...RCH
Type of request...WILDFIRE
.TAG 2620054.0/TFX
.DELDT 08/19/26
.FormatterVersion 2.0.0
.EMAIL mthdc@firenet.gov,seth.bond@usda.gov