Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Rexburg, Rexburg-Madison County Airport (KRXE)

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

Partly Cloudy

43°F

6°C

Humidity 56%
Wind Speed SSW 8 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 17 Mar 09:20 AM MDT
Extended Forecast for

Rexburg ID

  • Today

    Today: Partly sunny, with a high near 64. South southwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 64 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 38. West wind 6 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 38 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 73. South southeast wind 6 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39. West southwest wind 6 to 14 mph becoming southeast after midnight. Winds could gust as high as 24 mph.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. East southeast wind 5 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72. Breezy.

    High: 72 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

Detailed Forecast

Today
Partly sunny, with a high near 64. South southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 38. West wind 6 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 73. South southeast wind 6 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 39. West southwest wind 6 to 14 mph becoming southeast after midnight. Winds could gust as high as 24 mph.
Thursday
Sunny, with a high near 75. East southeast wind 5 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
Mostly clear, with a low around 42.
Friday
Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 72. Breezy.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 62.
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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 17, 2026
9am MDT Mar 17, 2026-6pm MDT Mar 23, 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