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

GREENFIELDS (GFMT)

Lat: 47.65833°NLon: 111.8125°WElev: 3820.0ft.

NA

35°F

2°C

Humidity 90%
Wind Speed N 8 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill28°F (-2°C)
Last update 21 Mar 03:00 PM MDT
Extended Forecast for

Fort Shaw MT

  • Tonight

    Tonight: Mostly clear, with a low around 30. West northwest wind 6 to 14 mph becoming southwest in the evening. Winds could gust as high as 18 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55. West wind 9 to 16 mph, with gusts as high as 23 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. West southwest wind 9 to 14 mph becoming light  after midnight. Winds could gust as high as 21 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 62. Light west northwest wind becoming southwest 6 to 11 mph in the afternoon.

    High: 62 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. Southwest wind 5 to 11 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow after noon.  Mostly cloudy, with a high near 60. Southwest wind 6 to 14 mph.  Chance of precipitation is 20%.

    High: 60 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 42. Southwest wind 13 to 18 mph, with gusts as high as 26 mph.

    Low: 42 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain.  Mostly sunny, with a high near 60. Windy, with a west wind 20 to 25 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 46 mph.

    High: 60 °F

    Slight Chance
    Rain and
    Windy

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow before 3am, then a slight chance of snow.  Partly cloudy, with a low around 28. Breezy.

    Low: 28 °F

    Slight Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 30. West northwest wind 6 to 14 mph becoming southwest in the evening. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 55. West wind 9 to 16 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 30. West southwest wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 21 mph.
Monday
Partly sunny, with a high near 62. Light west northwest wind becoming southwest 6 to 11 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 38. Southwest wind 5 to 11 mph.
Tuesday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 60. Southwest wind 6 to 14 mph. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 42. Southwest wind 13 to 18 mph, with gusts as high as 26 mph.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 60. Windy, with a west wind 20 to 25 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 46 mph.
Wednesday Night
A slight chance of rain and snow before 3am, then a slight chance of snow. Partly cloudy, with a low around 28. Breezy.
Thursday
Mostly sunny, with a high near 50. Breezy.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 26.
Saturday
Mostly sunny, with a high near 61.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Shaw MT
 47.51°N 111.81°W (Elev. 3599 ft)
1:11 pm MDT Mar 21, 2026
3pm 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