National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High 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. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

Rexburg, Rexburg-Madison County Airport (KRXE)

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

Clear

72°F

22°C

Humidity 18%
Wind Speed WSW 20 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 18 Mar 02:35 PM MDT
Extended Forecast for

Rexburg ID

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. Southwest wind around 11 mph, with gusts as high as 22 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. Southwest wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 21 mph.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. West southwest wind 6 to 11 mph becoming south southeast after midnight. Winds could gust as high as 22 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 75. Southeast wind 5 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Saturday Night

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

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 72. Southwest wind around 11 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 39. Southwest wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 74. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
Mostly clear, with a low around 41. West southwest wind 6 to 11 mph becoming south southeast after midnight. Winds could gust as high as 22 mph.
Friday
Mostly sunny, with a high near 75. Southeast wind 5 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 73.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 60.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 67. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rexburg ID
 43.83°N 111.8°W (Elev. 4872 ft)
Last Update:
12:30 pm MDT Mar 18, 2026
Forecast Valid:
2pm MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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