National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. 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. Numerous daily record highs and warm lows are likely. Read More >

Hazardous Weather Conditions

Current conditions at

Cedar Rapids Airport (KCID)

Lat: 41.88°NLon: 91.72°WElev: 840ft.

Fair and Windy

89°F

32°C

Humidity 63%
Wind Speed S 26 G 36 mph
Barometer 29.73 in (1005.8 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 21 Jun 11:52 am CDT
Extended Forecast for

5 Miles E Williamsburg IA

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

    NOW until 8:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 96 °F

    Hot and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 76. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.

    Low: 76 °F

    Mostly Clear
    and Breezy
    then Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95. Heat index values as high as 104. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 95 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 75. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 75 °F

    Clear and
    Breezy then
    Clear

  • Monday

    Monday: A 30 percent chance of showers after 1pm. Sunny and hot, with a high near 95.

    High: 95 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.

    Low: 70 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

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

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 96. Heat index values as high as 106. Breezy, with a south wind around 25 mph, with gusts as high as 40 mph.
Tonight
Clear, with a low around 76. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.
Sunday
Sunny and hot, with a high near 95. Heat index values as high as 104. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 75. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
A 30 percent chance of showers after 1pm. Sunny and hot, with a high near 95.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 50%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Williamsburg IA
 41.67°N 91.9°W (Elev. 801 ft)
Last Update:
10:31 am CDT Jun 21, 2025
Forecast Valid:
12pm CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation