Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that 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

81°F

27°C

Humidity 24%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 19 Aug 08:20 PM MDT
Extended Forecast for

Menan ID

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

    Tonight: Mostly clear, with a low around 53. South southeast wind 5 to 7 mph becoming east northeast after midnight.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. East northeast wind around 6 mph becoming light and variable.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. West southwest wind around 6 mph becoming east after midnight.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 94. East northeast wind around 6 mph becoming calm.

    High: 94 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 59. East wind 6 to 8 mph becoming south southeast after midnight.

    Low: 59 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 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 30%.

    High: 86 °F

    Chance Rain
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 53. South southeast wind 5 to 7 mph becoming east northeast after midnight.
Thursday
Sunny, with a high near 92. East northeast wind around 6 mph becoming light and variable.
Thursday Night
Partly cloudy, with a low around 57. West southwest wind around 6 mph becoming east after midnight.
Friday
Mostly sunny, with a high near 94. East northeast wind around 6 mph becoming calm.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. East wind 6 to 8 mph becoming south southeast after midnight.
Saturday
A 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 30%.
Saturday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 53.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Wednesday
Partly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Menan ID
 43.7°N 112.02°W (Elev. 4797 ft)
5:31 pm MDT Aug 19, 2026
8pm MDT Aug 19, 2026-6pm MDT Aug 26, 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