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

52°F

11°C

Humidity 81%
Wind Speed NNE 3 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 19 Aug 07:35 AM MDT
Extended Forecast for

9 Miles WNW Parker 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 83. Northeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. West southwest wind 6 to 10 mph becoming east northeast after midnight.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. East northeast wind 6 to 9 mph becoming west southwest in the afternoon.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. West southwest wind 8 to 10 mph becoming east northeast after midnight.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 91. Northeast wind 6 to 9 mph becoming southwest in the afternoon.

    High: 91 °F

    Mostly Sunny

  • 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 chance of rain before noon, then a slight chance of showers and thunderstorms after noon.  Partly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    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 53.

    Low: 53 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 83. Northeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.
Tonight
Mostly clear, with a low around 53. West southwest wind 6 to 10 mph becoming east northeast after midnight.
Thursday
Sunny, with a high near 89. East northeast wind 6 to 9 mph becoming west southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 57. West southwest wind 8 to 10 mph becoming east northeast after midnight.
Friday
Mostly sunny, with a high near 91. Northeast wind 6 to 9 mph becoming 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 chance of rain before noon, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 80.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Tuesday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Parker ID
 44.03°N 111.92°W (Elev. 5784 ft)
5:31 am MDT Aug 19, 2026
7am MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
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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