Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. 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 81%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 19 Aug 05:20 AM MDT
Extended Forecast for

10 Miles N Roberts 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 87. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. Southwest wind around 7 mph becoming northeast after midnight.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Northeast wind 5 to 7 mph becoming west southwest in the afternoon.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. West southwest wind around 7 mph becoming northeast after midnight.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 96. East northeast wind around 6 mph becoming south southwest in the afternoon.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight.  Mostly cloudy, with a low around 59. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Slight Chance
    Rain

  • Saturday

    Saturday: A slight chance of rain before noon, then a slight chance of showers and thunderstorms after noon.  Partly sunny, with a high near 86. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Rain then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 87. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.
Tonight
Mostly clear, with a low around 53. Southwest wind around 7 mph becoming northeast after midnight.
Thursday
Sunny, with a high near 93. Northeast wind 5 to 7 mph becoming west southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 58. West southwest wind around 7 mph becoming northeast after midnight.
Friday
Mostly sunny and hot, with a high near 96. East northeast wind around 6 mph becoming south southwest in the afternoon.
Friday Night
A slight chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 59. Chance of precipitation is 20%.
Saturday
A slight chance of rain before noon, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 86. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 84.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Tuesday
A 20 percent chance of rain and thunderstorms. Partly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles N Roberts ID
 43.86°N 112.16°W (Elev. 4836 ft)
2:31 am MDT Aug 19, 2026
5am MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database