Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Cedar Rapids Airport (KCID)

Lat: 41.88°NLon: 91.72°WElev: 840ft.

A Few Clouds

76°F

24°C

Humidity 74%
Wind Speed S 16 G 37 mph
Barometer 29.83 in (1009.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 20 Jun 12:52 pm CDT
Extended Forecast for

Williamsburg IA

Heat Advisory June 21, 12:00pm until June 23, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • This Afternoon

    This Afternoon: Sunny, with a high near 87. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 87 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 77. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 77 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Saturday

    Saturday: Sunny and hot, with a high near 95. Heat index values as high as 104. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 95 °F

    Hot and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 76. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 76 °F

    Clear and
    Breezy then
    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95. Breezy.

    High: 95 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

  • Monday

    Monday: A 30 percent chance of showers after 1pm.  Sunny, with a high near 94.

    High: 94 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 91. Chance of precipitation is 40%.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 87. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 77. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
Sunny and hot, with a high near 95. Heat index values as high as 104. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.
Saturday Night
Clear, with a low around 76. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny and hot, with a high near 95. Breezy.
Sunday Night
Clear, with a low around 75.
Monday
A 30 percent chance of showers after 1pm. Sunny, with a high near 94.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsburg IA
 41.65°N 91.99°W (Elev. 817 ft)
1:32 pm CDT Jun 20, 2025
1pm CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database