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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Current conditions at

Cedar Rapids Airport (KCID)

Lat: 41.88°NLon: 91.72°WElev: 840ft.

Fair

67°F

19°C

Humidity 79%
Wind Speed SW 8 mph
Barometer 29.44 in (996.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 17 Jun 8:52 pm CDT
Extended Forecast for

Williamsburg IA

  • Tonight

    Tonight: Mostly clear, with a low around 57. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Northwest wind 5 to 10 mph becoming light west in the evening.

    Low: 54 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 80. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 57. West wind around 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 76. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 54. Northwest wind 5 to 10 mph becoming light west in the evening.
Juneteenth
Sunny, with a high near 80. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61.
Sunday
Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.
Sunday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamsburg IA
 41.65°N 92.02°W (Elev. 751 ft)
Last Update:
9:33 pm CDT Jun 17, 2026
Forecast Valid:
9pm CDT Jun 17, 2026-6pm CDT Jun 24, 2026
 
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