Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Rexburg, Rexburg-Madison County Airport (KRXE)

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

Clear

55°F

13°C

Humidity 71%
Wind Speed NNE 3 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 26 Aug 07:20 AM MDT
Extended Forecast for

5 Miles NNE Rigby ID

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 89. Northeast wind around 6 mph becoming light and variable.

    High: 89 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers before 10pm.  Partly cloudy, with a low around 55. South southeast wind around 6 mph becoming north northeast in the evening.

    Low: 55 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Increasing clouds, with a high near 89. Northeast wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 20%.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. South wind 6 to 10 mph becoming east after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 3pm.  Mostly cloudy, with a high near 81. East wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.  Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely after midnight.  Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of rain.  Partly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 89. Northeast wind around 6 mph becoming light and variable.
Tonight
A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 55. South southeast wind around 6 mph becoming north northeast in the evening.
Thursday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 89. Northeast wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. South wind 6 to 10 mph becoming east after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Friday
A slight chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 81. East wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, then showers likely after midnight. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Saturday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 49.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 46.
Monday
A 30 percent chance of rain and thunderstorms. Mostly sunny, with a high near 79.
Monday Night
A 40 percent chance of rain and thunderstorms. Partly cloudy, with a low around 49.
Tuesday
A 20 percent chance of rain. Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Rigby ID
 43.74°N 111.87°W (Elev. 4849 ft)
5:31 am MDT Aug 26, 2026
7am MDT Aug 26, 2026-6pm MDT Sep 1, 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