Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

Lat: 46.71854°NLon: 113.29534°WElev: 3901.0ft.

NA

61°F

16°C

Humidity 36%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 19 Mar 12:30 PM MDT
Extended Forecast for

5 Miles SSE Greenough MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 61. West wind 9 to 11 mph, with gusts as high as 28 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 42. West southwest wind 7 to 9 mph, with gusts as high as 24 mph.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 65. West wind 7 to 11 mph, with gusts as high as 28 mph.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight.  Partly cloudy, with a low around 41. West southwest wind 7 to 9 mph, with gusts as high as 24 mph.

    Low: 41 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Rain before 9am, then rain and snow.  Snow level 8400 feet lowering to 6100 feet in the afternoon . High near 49. West wind 7 to 14 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 49 °F

    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 61. West wind 9 to 11 mph, with gusts as high as 28 mph.
Tonight
Partly cloudy, with a low around 42. West southwest wind 7 to 9 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 65. West wind 7 to 11 mph, with gusts as high as 28 mph.
Friday Night
A 20 percent chance of rain after midnight. Partly cloudy, with a low around 41. West southwest wind 7 to 9 mph, with gusts as high as 24 mph.
Saturday
Rain before 9am, then rain and snow. Snow level 8400 feet lowering to 6100 feet in the afternoon . High near 49. West wind 7 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
A chance of rain and snow. Snow level 6000 feet rising to 7800 feet in the afternoon. Mostly cloudy, with a high near 52.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 37.
Wednesday
A chance of rain and snow. Snow level 7000 feet lowering to 5900 feet in the afternoon . Mostly cloudy, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Greenough MT
 46.84°N 113.4°W (Elev. 5863 ft)
12:26 pm MDT Mar 19, 2026
12pm MDT Mar 19, 2026-6pm MDT Mar 25, 2026
 
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Additional Resources

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