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

Rexburg, Rexburg-Madison County Airport (KRXE)

Lat: 43.83167°NLon: 111.80611°WElev: 4859.0ft.

Clear

50°F

10°C

Humidity 43%
Wind Speed N 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 19 Mar 10:20 AM MDT
Extended Forecast for

Rexburg ID

  • Today

    Today: Sunny, with a high near 74. Southwest wind 5 to 13 mph, with gusts as high as 23 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Southwest wind 6 to 13 mph becoming southeast after midnight. Winds could gust as high as 22 mph.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77. East wind 5 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. Southwest wind 6 to 11 mph becoming east southeast after midnight. Winds could gust as high as 22 mph.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 73. East southeast wind 6 to 11 mph becoming west southwest 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 74. Southwest wind 5 to 13 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 42. Southwest wind 6 to 13 mph becoming southeast after midnight. Winds could gust as high as 22 mph.
Friday
Sunny, with a high near 77. East wind 5 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Mostly clear, with a low around 43. Southwest wind 6 to 11 mph becoming east southeast after midnight. Winds could gust as high as 22 mph.
Saturday
Mostly sunny, with a high near 73. East southeast wind 6 to 11 mph becoming west southwest 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly cloudy, with a high near 62.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Partly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
A 20 percent chance of rain. Sunny, with a high near 72. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Rexburg ID
 43.83°N 111.8°W (Elev. 4872 ft)
5:31 am MDT Mar 19, 2026
10am MDT Mar 19, 2026-6pm MDT Mar 25, 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