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Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Rexburg, Rexburg-Madison County Airport (KRXE)

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

Clear

69°F

21°C

Humidity 47%
Wind Speed ENE 4 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Aug 09:53 AM MDT
Extended Forecast for

4 Miles SSW Rexburg-Madison County Airport ID

Heat Advisory August 21, 12:00pm until August 21, 10:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 93. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. West southwest wind 5 to 7 mph becoming east northeast after midnight.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 95. East wind around 5 mph becoming light and variable.

    High: 95 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 61. Southeast wind 5 to 7 mph.

    Low: 61 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain before 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 88. East southeast wind 6 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    Rain then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 93. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
Partly cloudy, with a low around 59. West southwest wind 5 to 7 mph becoming east northeast after midnight.
Friday
Mostly sunny, with a high near 95. East wind around 5 mph becoming light and variable.
Friday Night
Mostly cloudy, with a low around 61. Southeast wind 5 to 7 mph.
Saturday
A slight chance of rain before 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 88. East southeast wind 6 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 53.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Rexburg-Madison County Airport ID
 43.78°N 111.82°W (Elev. 4846 ft)
Last Update:
5:31 am MDT Aug 20, 2026
Forecast Valid:
10am MDT Aug 20, 2026-6pm MDT Aug 26, 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