Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Dangerous heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms will produce damaging winds and heavy rainfall over portions of the northern/central Plains into the mid/upper-Mississippi Valleys today. Read More >

Current conditions at

Rexburg, Rexburg-Madison County Airport (KRXE)

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

Clear

75°F

24°C

Humidity 47%
Wind Speed NW 3 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 30 Jul 12:00 PM MDT
Extended Forecast for

Rexburg ID

Fire Weather Watch August 1, 02:00pm until August 2, 09:00pm
Click here for hazard details and duration
Fire Weather Watch
  • This Afternoon

    This Afternoon: Sunny, with a high near 89. Calm wind becoming west around 5 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers before 10pm.  Patchy smoke before 9pm, then patchy smoke after 5am. Partly cloudy, with a low around 55. Southwest wind around 6 mph becoming light and variable.

    Low: 55 °F

    Slight Chance
    Showers then
    Patchy Smoke

  • Friday

    Friday: Patchy smoke before 9am. Sunny, with a high near 94. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 94 °F

    Patchy Smoke
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. South wind around 6 mph becoming east northeast after midnight.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98. East northeast wind 5 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Sunday Night

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

    Low: 54 °F

    Clear and
    Breezy then
    Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 89. Calm wind becoming west around 5 mph.
Tonight
A 20 percent chance of showers before 10pm. Patchy smoke before 9pm, then patchy smoke after 5am. Partly cloudy, with a low around 55. Southwest wind around 6 mph becoming light and variable.
Friday
Patchy smoke before 9am. Sunny, with a high near 94. Calm wind becoming west southwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 56. South wind around 6 mph becoming east northeast after midnight.
Saturday
Sunny and hot, with a high near 98. East northeast wind 5 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 95.
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 87.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Rexburg ID
 43.83°N 111.8°W (Elev. 4872 ft)
12:06 pm MDT Jul 30, 2026
12pm MDT Jul 30, 2026-6pm MDT Aug 5, 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