National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extreme Heat and Excessive Rainfall This Week

A significant heat wave continues for the Rockies, Northern Plains, and Great Lakes into the Mid-Atlantic, peaking in intensity through midweek and lingering across parts of the Northern Plains and Midwest until this weekend. Excessive rainfall my bring life-threatening and locally catastrophic flash and urban flooding across portions of southwestern Texas through early Friday. Read More >

Current conditions at

Rexburg, Rexburg-Madison County Airport (KRXE)

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

Partly Cloudy

79°F

26°C

Humidity 41%
Wind Speed S 9 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 14 Jul 09:05 PM MDT
Extended Forecast for

Rexburg ID

  • Tonight

    Tonight: Partly cloudy, with a low around 63. South wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain between noon and 1pm. Mostly sunny, with a high near 92. Southeast wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 20%.

    High: 92 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59. North northeast wind around 6 mph.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. East northeast wind around 5 mph becoming calm.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. North wind 5 to 7 mph becoming east southeast in the evening.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 95. Chance of precipitation is 20%.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. South wind 6 to 9 mph, with gusts as high as 18 mph.
Wednesday
A slight chance of rain between noon and 1pm. Mostly sunny, with a high near 92. Southeast wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59. North northeast wind around 6 mph.
Thursday
Sunny, with a high near 95. East northeast wind around 5 mph becoming calm.
Thursday Night
Partly cloudy, with a low around 60. North wind 5 to 7 mph becoming east southeast in the evening.
Friday
A slight chance of rain between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 95. Chance of precipitation is 20%.
Friday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 93.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Sunny, with a high near 93.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 92.
Monday Night
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 59.
Tuesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rexburg ID
 43.83°N 111.8°W (Elev. 4872 ft)
Last Update:
5:31 pm MDT Jul 14, 2026
Forecast Valid:
9pm MDT Jul 14, 2026-6pm MDT Jul 21, 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