Spot Forecast
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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FNUS75 KTFX 261807
FWSTFX
Spot Forecast for Horse Gulch...USFS
National Weather Service Great Falls MT
1200 PM MDT Fri Jul 26 2024
RETRANSMITTED...
Forecast is based on forecast start time of 0600 MDT on July 26.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...
Forecast temperatures are relatively cooler, during this forecast
period, than they have been, lately. Today, westerly to
northwesterly winds gust up to 25 mph, with northwesterly winds
gusting to near 20 mph on Saturday. Minimum Relative humidity
values as low as 10% are forecast. Thunderstorms are not forecast
to impact this site, today; however, tomorrow, there is a slight
(<20%) chance of afternoon/evening showers and thunderstorms.
These showers and thunderstorm may produce erratic gusty winds.
.TODAY...
Sky/weather.........Sunny (0-10 percent). Haze in the afternoon.
CWR.................0 percent.
LAL.................1.
Max temperature.....76-86.
Min humidity........10-15 percent.
Wind (20 ft)........
Slope/valley.......Northwest winds around 5 mph shifting to the
west 5 to 15 mph in the late morning and
afternoon.
Ridgetop...........West 15 to 20 mph increasing to around 25 mph
late in the afternoon.
Haines Index........4 or low potential for large plume dominated
fire growth early in the morning.
TIME (MDT) 6 AM 10 AM 2 PM
Sky (%).........4 4 7
Weather cov..... DEFNTE
Weather type....NONE NONE HAZE
Tstm cov........
CWR.............0 0 0
LAL.............1 1 1
Temp............53 64 76
RH..............42 31 19
20 FT wind......NW 5G10 W 10G15 W 10G20
Ridgetop wind...W 20 SW 15 W 15
Haines index....M 4 4
.TONIGHT...
Sky/weather.........Mostly clear (10-20 percent). Haze early in the
evening. Haze early in the evening.
CWR.................0 percent.
LAL.................1.
Min temperature.....51-56.
Max humidity........33-43 percent.
Wind (20 ft)........
Slope/valley.......Northwest winds 10 to 15 mph shifting to the
north in the late evening and overnight.
Ridgetop...........Northwest 20 to 25 mph becoming west around 10
mph.
Haines Index........
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........7 6 9 15 10 14 13 21 24 14 14 8
Weather cov.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF
Weather type....HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
Temp............81 79 76 71 68 65 63 61 60 58 57 56
RH..............15 16 17 19 21 22 24 26 29 30 34 35
20 FT wind dir..NW NW NW N N N N N N N N N
20 FT wind spd..15 15 10 10 10 5 5 5 5 5 5 5
20 FT wind gust.25 20 15 15 10 10 10
Ridge wind dir..W W NW NW NW NW NW NW W W W W
Ridge wind spd..25 25 25 20 15 15 10 10 10 10 10 10
Haines index....4 4 4 M M M M M M M M M
.SATURDAY...
Sky/weather.........Sunny (15-25 percent). Haze through the day.
Areas of smoke late in the afternoon.
CWR.................0 percent.
LAL.................1.
Max temperature.....79-88.
Min humidity........13-18 percent.
Wind (20 ft)........
Slope/valley.......North winds up to 5 mph shifting to the west
early in the morning, then shifting to the
southwest around 5 mph late in the morning
shifting to the west late in the morning
shifting to the northwest.
Ridgetop...........West 10 to 15 mph.
Haines Index........4 or low potential for large plume dominated
fire growth early in the morning.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........6 3 3 2 4 6 8 8 8 33 33 33
Weather cov.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF
Weather type....HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ HAZ
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
Temp............54 57 62 65 69 72 76 79 81 82 83 83
RH..............36 36 33 31 28 25 22 19 18 17 17 18
20 FT wind dir..N N W S SW SW W W W NW NW NW
20 FT wind spd..5 5 5 5 5 5 5 5 5 10 10 10
20 FT wind gust. 10 10 10 15 15 15 20 20 20
Ridge wind dir..W SW SW SW SW SW W W W W W W
Ridge wind spd..10 10 10 10 10 10 10 10 15 15 15 15
Haines index....M M 4 4 4 4 4 4 4 4 4 4
$$
Forecaster...Fogleman
Requested by...Plans Sec Chief
Type of request...WILDFIRE
.TAG 2418667.6/TFX
.DELDT 07/26/24
.FormatterVersion 2.0.0
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