Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

USCRN SITE NEAR LEWISTOWN 42WSW (JRWM8)

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

NA

35°F

2°C

Humidity 83%
Wind Speed NA 9 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill28°F (-2°C)
Last update 21 Mar 06:00 PM MDT
Extended Forecast for

6 Miles WSW Windham MT

  • Tonight

    Tonight: A 30 percent chance of snow before 7pm.  Partly cloudy, with a low around 29. Northwest wind 8 to 13 mph becoming light west. Winds could gust as high as 21 mph.  Little or no snow accumulation expected.

    Low: 29 °F

    Chance Snow
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 51. Breezy, with a west northwest wind 14 to 23 mph, with gusts as high as 33 mph.

    High: 51 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 57. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. North northwest wind 5 to 9 mph becoming south southwest in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow after noon.  Mostly cloudy, with a high near 58. West southwest wind 5 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    High: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before midnight.  Mostly cloudy, with a low around 41. West southwest wind 13 to 15 mph, with gusts as high as 24 mph.

    Low: 41 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A chance of rain, mainly after noon.  Partly sunny, with a high near 58. Breezy, with a west wind 15 to 20 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 58 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before midnight, then a chance of snow.  Mostly cloudy, with a low around 28. Blustery.

    Low: 28 °F

    Chance
    Rain/Snow and
    Blustery then
    Chance Snow

Detailed Forecast

Tonight
A 30 percent chance of snow before 7pm. Partly cloudy, with a low around 29. Northwest wind 8 to 13 mph becoming light west. Winds could gust as high as 21 mph. Little or no snow accumulation expected.
Sunday
Sunny, with a high near 51. Breezy, with a west northwest wind 14 to 23 mph, with gusts as high as 33 mph.
Sunday Night
Partly cloudy, with a low around 30. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 57. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 37. North northwest wind 5 to 9 mph becoming south southwest in the evening.
Tuesday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 58. West southwest wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tuesday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 41. West southwest wind 13 to 15 mph, with gusts as high as 24 mph.
Wednesday
A chance of rain, mainly after noon. Partly sunny, with a high near 58. Breezy, with a west wind 15 to 20 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 41 mph.
Wednesday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 28. Blustery.
Thursday
A slight chance of snow. Mostly sunny, with a high near 46. Breezy.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 28.
Saturday
Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Windham MT
 47.07°N 110.27°W (Elev. 4918 ft)
4:27 pm MDT Mar 21, 2026
6pm MDT Mar 21, 2026-6pm MDT Mar 28, 2026
 
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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