Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Current conditions at

USCRN SITE NEAR LEWISTOWN 42WSW (JRWM8)

Lat: 46.88472°NLon: 110.28944°WElev: 5045.0ft.

NA

27°F

-3°C

Humidity 45%
Wind Speed NA 10 MPH
Barometer NA
Dewpoint 8°F (-13°C)
Visibility NA
Wind Chill18°F (-8°C)
Last update 10 Mar 05:00 PM MDT
Extended Forecast for

6 Miles WSW Windham MT

Winter Storm Watch March 12, 06:00pm until March 14, 06:00pm
High Wind Warning March 12, 12:00am until March 12, 06:00pm
Click here for hazard details and duration
Winter Storm Watch
High Wind Warning
  • Tonight

    Tonight: A 30 percent chance of snow, mainly before 7pm.  Partly cloudy, with a low around 16. West wind 13 to 18 mph, with gusts as high as 26 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 16 °F

    Chance Snow
    then Mostly
    Clear

  • Wednesday

    Wednesday: A 20 percent chance of snow after 4pm.  Mostly sunny, with a high near 41. Windy, with a west wind 13 to 18 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 44 mph.

    High: 41 °F

    Mostly Sunny
    and Breezy
    then Slight
    Chance Snow
    and Windy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow.  Mostly cloudy, with a temperature rising to around 40 by 3am. Windy, with a west southwest wind 18 to 28 mph increasing to 33 to 43 mph after midnight. Winds could gust as high as 65 mph.  Little or no snow accumulation expected.

    Low: 36 °F

    Chance Snow
    and Windy

  • Thursday

    Thursday: Rain and snow likely before 9am, then snow.  High near 46. Very windy, with a west southwest wind 45 to 50 mph decreasing to 40 to 45 mph in the afternoon. Winds could gust as high as 70 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 46 °F

    Very Windy.
    Rain/Snow
    Likely then
    Snow

  • Thursday Night

    Thursday Night: Snow.  Low around 24. Windy, with a west wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 44 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 24 °F

    Snow and
    Windy

  • Friday

    Friday: Snow.  High near 38. West wind 14 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 38 °F

    Snow

  • Friday Night

    Friday Night: Snow.  Low around 20. North northwest wind 9 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 20 °F

    Snow

  • Saturday

    Saturday: Snow.  Cloudy, with a high near 33. Breezy, with a north northwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 33 °F

    Snow and
    Breezy

  • Saturday Night

    Saturday Night: Snow, mainly before midnight.  Mostly cloudy, with a low around 8.

    Low: 8 °F

    Snow

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly before 7pm. Partly cloudy, with a low around 16. West wind 13 to 18 mph, with gusts as high as 26 mph. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
A 20 percent chance of snow after 4pm. Mostly sunny, with a high near 41. Windy, with a west wind 13 to 18 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 44 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a temperature rising to around 40 by 3am. Windy, with a west southwest wind 18 to 28 mph increasing to 33 to 43 mph after midnight. Winds could gust as high as 65 mph. Little or no snow accumulation expected.
Thursday
Rain and snow likely before 9am, then snow. High near 46. Very windy, with a west southwest wind 45 to 50 mph decreasing to 40 to 45 mph in the afternoon. Winds could gust as high as 70 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Thursday Night
Snow. Low around 24. Windy, with a west wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday
Snow. High near 38. West wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow. Low around 20. North northwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Saturday
Snow. Cloudy, with a high near 33. Breezy, with a north northwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.
Saturday Night
Snow, mainly before midnight. Mostly cloudy, with a low around 8.
Sunday
A chance of snow. Partly sunny, with a high near 30.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 16.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 47.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 37. Breezy.
Tuesday
A slight chance of rain. Partly sunny, with a high near 60. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Windham MT
 47.07°N 110.27°W (Elev. 4918 ft)
5:02 pm MDT Mar 10, 2026
6pm MDT Mar 10, 2026-6pm MDT Mar 17, 2026
 
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Additional Resources

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