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

66°F

19°C

Humidity 52%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 19 Aug 10:35 AM MDT
Extended Forecast for

8 Miles NNW 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 85. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. West southwest wind 5 to 8 mph becoming east northeast in the evening.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Northeast wind around 7 mph becoming southwest in the afternoon.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. West southwest wind around 7 mph becoming east northeast after midnight.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 93. Northeast wind around 7 mph becoming southwest in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight.  Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy
    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 85. Chance of precipitation is 30%.

    High: 85 °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 52.

    Low: 52 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 85. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
Mostly clear, with a low around 51. West southwest wind 5 to 8 mph becoming east northeast in the evening.
Thursday
Sunny, with a high near 91. Northeast wind around 7 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 55. West southwest wind around 7 mph becoming east northeast after midnight.
Friday
Mostly sunny, with a high near 93. Northeast wind around 7 mph becoming southwest in the afternoon.
Friday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 57.
Saturday
A chance of rain before noon, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 83.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Tuesday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 82.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Parker ID
 44.06°N 111.84°W (Elev. 5312 ft)
5:31 am MDT Aug 19, 2026
10am 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