Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Iowa Falls Municipal Airport (KIFA)

Lat: 42.47°NLon: 93.27°WElev: 1138ft.

Fair

69°F

21°C

Humidity 87%
Wind Speed SE 5 mph
Barometer 30.06 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 20 Aug 10:15 pm CDT
Extended Forecast for

Williams IA

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after midnight.  Partly cloudy, with a low around 65. South southwest wind 6 to 9 mph.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers before 8am.  Sunny, with a high near 84. Southwest wind 8 to 10 mph becoming northwest in the afternoon.

    High: 84 °F

    Slight Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. North northwest wind 3 to 6 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 80. Light northwest wind becoming north 6 to 11 mph in the morning.

    High: 80 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. North wind 3 to 6 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm.  Partly sunny, with a high near 77.

    High: 77 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 65. South southwest wind 6 to 9 mph.
Friday
A 20 percent chance of showers before 8am. Sunny, with a high near 84. Southwest wind 8 to 10 mph becoming northwest in the afternoon.
Friday Night
Mostly clear, with a low around 62. North northwest wind 3 to 6 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 80. Light northwest wind becoming north 6 to 11 mph in the morning.
Saturday Night
Mostly clear, with a low around 56. North wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 58.
Monday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Williams IA
 42.48°N 93.56°W
7:56 pm CDT Aug 20, 2026
10pm CDT Aug 20, 2026-6pm CDT Aug 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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