Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Rexburg, Rexburg-Madison County Airport (KRXE)

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

Clear

88°F

31°C

Humidity 19%
Wind Speed SSW 6 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 27 Aug 02:20 PM MDT
Extended Forecast for

6 Miles NW Rexburg-Madison County Airport ID

  • This Afternoon

    This Afternoon: A slight chance of showers, then a chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 91. Southwest wind 11 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 30%.

    High: 91 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight.  Mostly cloudy, with a low around 56. South southwest wind 6 to 14 mph becoming northeast after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers between 9am and noon, then a slight chance of showers and thunderstorms after noon.  Cloudy, with a high near 79. East northeast wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers after midnight.  Low around 52. West wind 6 to 9 mph becoming northeast in the evening. Winds could gust as high as 20 mph.  Chance of precipitation is 80%.

    Low: 52 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after noon.  Cloudy, with a high near 75. South southwest wind 6 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 48. Chance of precipitation is 70%.

    Low: 48 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms before noon.  Mostly sunny, with a high near 75. Breezy.

    High: 75 °F

    Chance
    T-storms then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 91. Southwest wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 56. South southwest wind 6 to 14 mph becoming northeast after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 40%.
Friday
A slight chance of showers between 9am and noon, then a slight chance of showers and thunderstorms after noon. Cloudy, with a high near 79. East northeast wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, then showers after midnight. Low around 52. West wind 6 to 9 mph becoming northeast in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Saturday
Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 75. South southwest wind 6 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Saturday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Sunday
A 40 percent chance of showers and thunderstorms before noon. Mostly sunny, with a high near 75. Breezy.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 77.
Monday Night
A 30 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 46.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Rexburg-Madison County Airport ID
 43.89°N 111.9°W (Elev. 4843 ft)
12:30 pm MDT Aug 27, 2026
2pm MDT Aug 27, 2026-6pm MDT Sep 2, 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