National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

STILLWATER (STWM8)

Lat: 48.53944°NLon: 114.55944°WElev: 3116.0ft.

NA

48°F

9°C

Humidity 79%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 12 Apr 10:00 PM MDT
Extended Forecast for

6 Miles ESE Fortine MT

  • Tonight

    Tonight: A slight chance of rain, mixing with snow after midnight, then gradually ending. Snow level 7000 feet lowering to 6300 feet after midnight . Mostly cloudy, with a low around 33. Northeast wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Monday

    Monday: A chance of snow before 1pm, then rain and snow showers likely between 1pm and 4pm, then rain showers likely after 4pm. Some thunder is also possible. Snow level rising to 7000 feet in the afternoon. Mostly cloudy, with a high near 41. Northwest wind 6 to 14 mph becoming southwest in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 41 °F

    Slight Chance
    Snow then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: A chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 30. Southwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A 40 percent chance of snow. Mostly cloudy, with a high near 33. Southwest wind 14 to 17 mph, with gusts as high as 28 mph. Little or no snow accumulation expected.

    High: 33 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow. Low around 29. Southwest wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 29 °F

    Snow Likely
    then Snow

  • Wednesday

    Wednesday: Snow. High near 31. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

    Low: 22 °F

    Snow Likely

  • Thursday

    Thursday: Snow likely. Mostly cloudy, with a high near 29.

    High: 29 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow, mainly before midnight. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

Detailed Forecast

Tonight
A slight chance of rain, mixing with snow after midnight, then gradually ending. Snow level 7000 feet lowering to 6300 feet after midnight . Mostly cloudy, with a low around 33. Northeast wind 6 to 8 mph. Chance of precipitation is 20%.
Monday
A chance of snow before 1pm, then rain and snow showers likely between 1pm and 4pm, then rain showers likely after 4pm. Some thunder is also possible. Snow level rising to 7000 feet in the afternoon. Mostly cloudy, with a high near 41. Northwest wind 6 to 14 mph becoming southwest in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday Night
A chance of rain and snow before midnight, then a slight chance of snow. Mostly cloudy, with a low around 30. Southwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday
A 40 percent chance of snow. Mostly cloudy, with a high near 33. Southwest wind 14 to 17 mph, with gusts as high as 28 mph. Little or no snow accumulation expected.
Tuesday Night
Snow. Low around 29. Southwest wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow. High near 31. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow likely. Mostly cloudy, with a high near 29.
Thursday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 21.
Friday
A chance of snow, mainly after noon. Partly sunny, with a high near 34.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 24.
Saturday
A slight chance of snow. Mostly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
A slight chance of snow. Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Fortine MT
 48.74°N 114.77°W (Elev. 6283 ft)
Last Update:
2:01 pm MDT Apr 12, 2026
Forecast Valid:
10pm MDT Apr 12, 2026-6pm MDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation