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

42°F

6°C

Humidity 95%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 13 Apr 04:00 AM MDT
Extended Forecast for

6 Miles ESE Fortine MT

  • Overnight

    Overnight: A slight chance of rain and snow showers. Snow level 6600 feet. Mostly cloudy, with a low around 34. North wind around 6 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain/Snow

  • Monday

    Monday: A chance of rain and snow showers before 3pm, then rain showers likely. Some thunder is also possible. Snow level 6400 feet rising to 7000 feet in the afternoon. Mostly cloudy, with a high near 40. West southwest wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 40 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: Rain and snow showers likely before 10pm, then a chance of snow showers between 10pm and 2am. Mostly cloudy, with a low around 29. West southwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 29 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of snow showers. 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
    Showers

  • Tuesday Night

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

    Low: 29 °F

    Snow Showers

  • Wednesday

    Wednesday: Snow showers. High near 31. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 31 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers. Low around 22. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

    Low: 22 °F

    Snow Showers

  • Thursday

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

    High: 29 °F

    Snow Showers

  • Thursday Night

    Thursday Night: A chance of snow, mainly before midnight. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow

Detailed Forecast

Overnight
A slight chance of rain and snow showers. Snow level 6600 feet. Mostly cloudy, with a low around 34. North wind around 6 mph. Chance of precipitation is 20%.
Monday
A chance of rain and snow showers before 3pm, then rain showers likely. Some thunder is also possible. Snow level 6400 feet rising to 7000 feet in the afternoon. Mostly cloudy, with a high near 40. West southwest wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday Night
Rain and snow showers likely before 10pm, then a chance of snow showers between 10pm and 2am. Mostly cloudy, with a low around 29. West southwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
A 40 percent chance of snow showers. 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 showers. Low around 29. Southwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow showers. High near 31. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow showers. Low around 22. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.
Thursday
Snow showers. Mostly cloudy, with a high near 29.
Thursday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 20.
Friday
A chance of snow after noon. Mostly sunny, with a high near 33.
Friday Night
A slight chance of snow. Partly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 29.
Sunday
A chance of snow. Partly sunny, with a high near 43.
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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 am MDT Apr 13, 2026
Forecast Valid:
4am MDT Apr 13, 2026-6pm MDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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