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

Heavy Rain and Flooding Possible in the Southwest U.S, Ohio Valley, and Hawaii

Heavy rainfall is expected to continue through Thursday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. Heavy rain and flash flooding is also expected over the southern Appalachians and Ohio Valley. Tropical Depression 15-E, southeast of Hawaii, is expected to bring heavy rain beginning today to the Big Island and Maui. Read More >

Current conditions at

Rexburg, Rexburg-Madison County Airport (KRXE)

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

Partly Cloudy

50°F

10°C

Humidity 87%
Wind Speed S 3 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 23 Sep 06:20 AM MDT
Extended Forecast for

Rexburg ID

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 69. Light and variable wind.

    High: 69 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Calm wind becoming east northeast around 6 mph after midnight.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. East northeast wind around 5 mph becoming calm in the afternoon.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. Calm wind becoming east around 5 mph after midnight.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 77. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 25 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 69. Light and variable wind.
Tonight
Mostly clear, with a low around 42. Calm wind becoming east northeast around 6 mph after midnight.
Thursday
Sunny, with a high near 76. East northeast wind around 5 mph becoming calm in the afternoon.
Thursday Night
Partly cloudy, with a low around 45. Calm wind becoming east around 5 mph after midnight.
Friday
Sunny, with a high near 77. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Sunny, with a high near 65.
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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:
5:31 am MDT Sep 23, 2026
Forecast Valid:
6am MDT Sep 23, 2026-6pm MDT Sep 29, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation