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

Webster City Municipal Airport (KEBS)

Lat: 42.44°NLon: 93.87°WElev: 1112ft.

Fair

66°F

19°C

Humidity 94%
Wind Speed S 7 mph
Barometer 30.00 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 Aug 2:35 am CDT
Extended Forecast for

Jewell Junction IA

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 64. South southwest wind around 5 mph.

    Low: 64 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly before 2pm.  Partly sunny, with a high near 79. South southwest wind 6 to 8 mph becoming west in the morning.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight.  Mostly cloudy, with a low around 62. Light north wind.  Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 83.

    High: 83 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 64. South southwest wind around 5 mph.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 79. South southwest wind 6 to 8 mph becoming west in the morning. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Mostly cloudy, with a low around 62. Light north wind. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 79. Light and variable wind.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 59. Calm wind.
Thursday
Sunny, with a high near 80.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Partly sunny, with a high near 77.
Sunday Night
Mostly cloudy, with a low around 61.
Monday
Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Jewell Junction IA
 42.3°N 93.65°W
1:26 am CDT Aug 18, 2026
2am CDT Aug 18, 2026-6pm CDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database