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. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend 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

39°F

4°C

Humidity 55%
Wind Speed N 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 20 Mar 04:35 AM MDT
Extended Forecast for

Rexburg ID

  • Today

    Today: Sunny, with a high near 75. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. Southwest wind 6 to 10 mph becoming east after midnight. Winds could gust as high as 21 mph.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 74. East wind 5 to 10 mph becoming southwest 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 39. West southwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 33 mph.

    Low: 39 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 61. South wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 75. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Tonight
Mostly clear, with a low around 44. Southwest wind 6 to 10 mph becoming east after midnight. Winds could gust as high as 21 mph.
Saturday
Mostly sunny, with a high near 74. East wind 5 to 10 mph becoming southwest 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 39. West southwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 33 mph.
Sunday
Sunny, with a high near 61. South wind 5 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly cloudy, with a high near 63.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 68.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 71. Breezy.
Wednesday Night
Partly cloudy, with a low around 37. Breezy.
Thursday
Sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Rexburg ID
 43.83°N 111.8°W (Elev. 4872 ft)
12:30 am MDT Mar 20, 2026
4am MDT Mar 20, 2026-6pm MDT Mar 26, 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