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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

Rexburg, Rexburg-Madison County Airport (KRXE)

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

Rain

63°F

17°C

Humidity 77%
Wind Speed E 13 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 29 Jul 11:20 PM MDT
Extended Forecast for

Rexburg ID

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 53. East wind around 5 mph becoming calm after midnight.

    Low: 53 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Patchy smoke after 5pm. Sunny, with a high near 90. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny then
    Patchy Smoke

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. Southwest wind around 6 mph becoming east northeast after midnight.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 93. East northeast wind around 6 mph becoming west in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 56. Northwest wind 5 to 7 mph becoming east in the evening.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92. Breezy.

    High: 92 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 54. Breezy.

    Low: 54 °F

    Clear and
    Breezy then
    Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 53. East wind around 5 mph becoming calm after midnight.
Thursday
Patchy smoke after 5pm. Sunny, with a high near 90. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 56. Southwest wind around 6 mph becoming east northeast after midnight.
Friday
Mostly sunny, with a high near 93. East northeast wind around 6 mph becoming west in the afternoon.
Friday Night
Clear, with a low around 56. Northwest wind 5 to 7 mph becoming east in the evening.
Saturday
Sunny and hot, with a high near 98.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 92. Breezy.
Sunday Night
Clear, with a low around 54. Breezy.
Monday
Sunny, with a high near 86.
Monday Night
Clear, with a low around 50.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rexburg ID
 43.83°N 111.8°W (Elev. 4872 ft)
Last Update:
5:31 pm MDT Jul 29, 2026
Forecast Valid:
11pm MDT Jul 29, 2026-6pm MDT Aug 5, 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