Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

Cedar Rapids Airport (KCID)

Lat: 41.88°NLon: 91.72°WElev: 840ft.

Fog/Mist

67°F

19°C

Humidity 93%
Wind Speed E 6 mph
Barometer 29.98 in (1014.7 mb)
Dewpoint 65°F (18°C)
Visibility 6.00 mi
Last update 29 Jul 6:52 am CDT
Extended Forecast for

Williamsburg IA

  • Today

    Today: Sunny, with a high near 86. Southeast wind around 5 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. Southeast wind around 5 mph.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 85. South wind 5 to 10 mph.

    High: 85 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm after 1am.  Low around 66. Southeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Mostly Cloudy
    then Showers

  • Friday

    Friday: Showers and possibly a thunderstorm.  High near 77. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 77 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 1am.  Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 80. Breezy.

    High: 80 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 86. Southeast wind around 5 mph.
Tonight
Mostly clear, with a low around 65. Southeast wind around 5 mph.
Thursday
Increasing clouds, with a high near 85. South wind 5 to 10 mph.
Thursday Night
Showers and possibly a thunderstorm after 1am. Low around 66. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm. High near 77. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Friday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 80. Breezy.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsburg IA
 41.65°N 92.02°W (Elev. 751 ft)
7:16 am CDT Jul 29, 2026
7am CDT Jul 29, 2026-6pm CDT Aug 4, 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