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

Heavy Rainfall for Portions of the West and Central U.S.; Monitoring Fire Weather Conditions for New England

Tropical moisture continues to flow across portions of the Great Basin, desert Southwest and California. Isolated instances of flash flooding remains possible. Meanwhile, a storm and associated frontal boundary will focus showers and thunderstorms for the center of the nation. For New England, dry and breezy conditions could enhance favorable fire weather conditions. Read More >

Current conditions at

STILLWATER (STWM8)

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

NA

79°F

26°C

Humidity 28%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Heat Index78°F (26°C)
Last update 19 Sep 07:00 PM MDT
Extended Forecast for

21 Miles S Fortine MT

  • Tonight

    Tonight: Mostly clear, with a low around 51. West southwest wind 3 to 5 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy smoke after 4pm. Sunny, with a high near 69. Light west southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 69 °F

    Sunny then
    Patchy Smoke

  • Saturday Night

    Saturday Night: Patchy smoke before midnight. Mostly clear, with a low around 50. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Patchy Smoke
    then Mostly
    Clear

  • Sunday

    Sunday: A 20 percent chance of rain after noon. Patchy smoke between 11am and noon. Increasing clouds, with a high near 59. South southwest wind 13 to 16 mph, with gusts as high as 32 mph.

    High: 59 °F

    Patchy Smoke
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 42. West southwest wind 8 to 15 mph, with gusts as high as 31 mph.

    Low: 42 °F

    Chance Rain
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 51. West southwest wind 3 to 5 mph.
Saturday
Patchy smoke after 4pm. Sunny, with a high near 69. Light west southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
Patchy smoke before midnight. Mostly clear, with a low around 50. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Sunday
A 20 percent chance of rain after noon. Patchy smoke between 11am and noon. Increasing clouds, with a high near 59. South southwest wind 13 to 16 mph, with gusts as high as 32 mph.
Sunday Night
A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 42. West southwest wind 8 to 15 mph, with gusts as high as 31 mph.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Clear, with a low around 46.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 43.
Friday
A slight chance of rain. Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles S Fortine MT
 48.46°N 114.9°W (Elev. 5901 ft)
Last Update:
2:46 pm MDT Sep 19, 2025
Forecast Valid:
7pm MDT Sep 19, 2025-6pm MDT Sep 26, 2025
 
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Additional Resources

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Chance of Precipitation