Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Clarion (KCAV)

Lat: 42.75°NLon: 93.77°WElev: 1161ft.

A Few Clouds

66°F

19°C

Humidity 100%
Wind Speed S 6 mph
Barometer 30.02 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 17 Aug 11:55 pm CDT
Extended Forecast for

Eagle Grove IA

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 5am.  Partly cloudy, with a steady temperature around 66. South southwest wind around 7 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 2pm.  Partly sunny, with a high near 79. West northwest wind 5 to 8 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 59. Light and variable wind.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. Calm wind.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a steady temperature around 66. South southwest wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and thunderstorms likely, mainly before 2pm. Partly sunny, with a high near 79. West northwest wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 59. Light and variable wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 78. Calm wind.
Wednesday Night
Partly cloudy, with a low around 58. Calm wind.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 81.
Friday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60.
Saturday
Sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Eagle Grove IA
 42.68°N 93.91°W
10:43 pm CDT Aug 17, 2026
12am CDT Aug 18, 2026-6pm CDT Aug 24, 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