Suppression Forecast
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
771
FNUS75 KTFX 041341
FWSTFX
Spot Forecast for Wilder...BLM
National Weather Service Great Falls MT
741 AM MDT Fri Jul 4 2025
FNUS75 KTFX 041032
FWSTFX
Spot Forecast for Wilder...BLM, Lewistown Dispatch
National Weather Service Great Falls MT
432 AM MDT Fri Jul 4 2025
Forecast is based on forecast start time of 0500 MDT on July 04.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...
An upper level disturbance moving over the Northern Rockies
through the first half of the weekend will bring increasing
chances for precipitation and cooler conditions to the incident
area. High temperatures today in wake of yesterday`s Pacific
front will be 5 to 10 degrees cooler, with temperatures falling an
additional 5 to 10 degrees for the day on Saturday. Showers and
thunderstorms developing over Northeast Idaho and Southwest
Montana will lift northeast and across Central and North Central
Montana this evening, with additional showers and storms expected
on Saturday as the main upper level disturbance moves overhead.
Latest probabilistic data supports a 95% chance for wetting
rainfall from this evening through Saturday evening, with a 45%
chance for rainfall amounts to exceed 0.5".
.TODAY...
Sky/weather.........Partly sunny (55-65 percent). Slight chance of
showers late in the afternoon.
CWR.................5 percent.
Chance of thunder...10 percent.
Max temperature.....81-86.
Min humidity........23-28 percent.
Wind (20 ft)........
Slope/valley.......Northwest winds around 10 mph shifting to the
northeast late in the afternoon.
Ridgetop...........Northwest 15 to 20 mph decreasing to around 10
mph early in the afternoon, then shifting to
the northeast and east late in the afternoon.
Mixing height.......7500 ft AGL.
Transport winds.....Northwest 10 to 15 mph shifting to the
northeast late in the afternoon.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........58 57 55 54 55 55 56 56 55 54 61 69
Weather cov..... SCH
Weather type.... RW
Tstm cov........
CWR.............0 0 0 0 0 0 10 10 10 10 10 10
Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 10 10
Temp............65 66 68 69 74 76 79 80 81 82 82 82
RH..............51 50 47 43 40 38 34 31 30 28 28 28
20 FT wind dir..W W NW NW N N N N NE NE NE NE
20 FT wind spd..10 10 10 10 10 10 10 10 10 10 10 10
20 FT wind gust.15 15 15 15 15 15 15 15 15 15 15 15
Ridge wind dir..NW NW NW NW NW NW NW N N NE NE E
Ridge wind spd..20 20 20 20 15 15 10 10 10 10 10 10
Mix hgt (kft)...0.5 1.0 1.0 1.5 2.5 4.0 5.0 5.5 6.5 7.0 7.5 7.5
Transp wind dir.W W NW NW NW N N N N NE NE NE
Transp wind spd.10 10 15 10 10 10 10 10 10 10 10 10
.TONIGHT...
Sky/weather.........Mostly cloudy (75-85 percent). Chance of
thunderstorms in the evening. Showers likely
through the night. Slight chance of
thunderstorms overnight.
CWR.................5 percent increasing to 30 percent overnight.
Chance of thunder...30 percent.
Min temperature.....58-63.
Max humidity........78-83 percent.
Wind (20 ft)........
Slope/valley.......Northeast winds around 10 mph shifting to the
north early in the evening. Gusty and erratic
winds expected near thunderstorms.
Ridgetop...........East 10 to 15 mph shifting to the south 15 to
20 mph after 3 am.
Mixing height.......1000 ft AGL.
Transport winds.....Northeast 10 to 20 mph.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........76 81 85 90 86 82 78 73 72 72 72 73
Weather cov.....CHC LKY LKY LKY LKY LKY LKY LKY LKY LKY CHC LKY
Weather type....RW RW RW RW RW RW RW RW RW RW RW RW
Tstm cov........CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH SCH SCH
CWR.............10 10 10 10 10 10 30 30 30 30 30 30
Chc of thdr (%).30 30 30 30 30 30 10 10 10 10 10 10
Temp............81 79 74 71 68 68 66 65 64 63 62 61
RH..............29 33 43 51 59 65 71 76 75 76 81 83
20 FT wind dir..NE NE N N N N N N N N N N
20 FT wind spd..10 10 15 15 10 10 10 10 10 10 10 10
20 FT wind gust.15 15 15 15 15 15 15 15 15 15
Ridge wind dir..E E E SE SE S S S S S S S
Ridge wind spd..10 10 10 15 10 10 10 15 15 20 20 15
Mix hgt (kft)...7.5 5.5 3.5 1.5 1.5 1.5 1.5 1.0 1.5 1.5 1.5 1.5
Transp wind dir.NE NE NW NW N NW N N N N NE NE
Transp wind spd.10 10 15 15 10 15 15 20 15 15 15 10
.SATURDAY...
Sky/weather.........Mostly cloudy (75-85 percent). Chance of
showers in the morning, then showers and chance
of thunderstorms in the afternoon.
CWR.................10 percent increasing to 70 percent in the
afternoon.
Chance of thunder...20 percent.
Max temperature.....71-76.
Min humidity........46-51 percent.
Wind (20 ft)........
Slope/valley.......North 5 to 10 mph shifting to the west
late in the afternoon. Gusty and erratic winds
expected near thunderstorms late in the
afternoon.
Ridgetop...........Southwest 5 to 15 mph.
Mixing height.......4500 ft AGL.
Transport winds.....Northeast 10 to 15 mph.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........70 69 67 66 69 72 84 84 84 94 94 94
Weather cov.....CHC CHC CHC CHC CHC CHC LKY LKY DEF DEF DEF DEF
Weather type....RW RW RW RW RW RW RW RW RW RW RW RW
Tstm cov........ CHC CHC CHC
CWR.............10 10 10 10 10 10 70 70 70 70 70 70
Chc of thdr (%).0 0 0 10 10 10 10 10 10 20 20 20
Temp............61 60 62 63 67 68 67 69 70 71 71 70
RH..............83 83 80 79 66 60 59 55 53 52 52 54
20 FT wind dir..N N NE E E NE NE E S S SW W
20 FT wind spd..10 10 10 10 10 10 10 10 10 10 10 10
20 FT wind gust.15 15 15 15 15 15 15 15 15 15 15 15
Ridge wind dir..S SW SW W SW S S S E E NE NW
Ridge wind spd..15 10 10 5 5 5 5 5 5 5 10 10
Mix hgt (kft)...1.5 2.0 2.0 1.5 2.5 3.5 3.5 4.0 4.5 4.5 4.5 4.0
Transp wind dir.NE NE E E E E E E NE NE NE NE
Transp wind spd.15 15 10 15 10 10 10 10 10 10 10 10
$$
Forecaster...Moldan
Requested by...Karly DeMars
Type of request...WILDFIRE
.TAG 2517287.0/TFX
.DELDT 07/04/25
.FormatterVersion 2.0.0
.EMAIL mtlec@firenet.gov, tfx.ops@noaa.gov