Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Current conditions at

Rexburg, Rexburg-Madison County Airport (KRXE)

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

Clear

54°F

12°C

Humidity 34%
Wind Speed SSW 5 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 31 Aug 03:20 AM MDT
Extended Forecast for

Rexburg-Madison County Airport ID

  • Overnight

    Overnight: Mostly clear, with a low around 41. East wind around 6 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79. East wind around 5 mph becoming calm  in the morning.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly after 2am.  Increasing clouds, with a low around 51. Calm wind becoming east around 6 mph in the evening.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Rain likely, mainly before 8am.  Cloudy, then gradually becoming mostly sunny, with a high near 78. Light and variable wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    High: 78 °F

    Rain Likely
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight.  Mostly cloudy, with a low around 49. South wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 41. East wind around 6 mph.
Monday
Sunny, with a high near 79. East wind around 5 mph becoming calm in the morning.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly after 2am. Increasing clouds, with a low around 51. Calm wind becoming east around 6 mph in the evening.
Tuesday
Rain likely, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 78. Light and variable wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 49. South wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 50.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Sunday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Rexburg-Madison County Airport ID
 43.83°N 111.8°W (Elev. 4872 ft)
12:30 am MDT Aug 31, 2026
3am MDT Aug 31, 2026-6pm MDT Sep 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database