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

Severe Thunderstorm and Excessive Rainfall Potential for the Central U.S. Today

Severe thunderstorms with a threat for large hail, isolated damaging winds and possibly a tornado are expected in parts of eastern Colorado today from mid afternoon to early evening. Several days of heavy rainfall will begin today over the western Gulf Coast where Flood Watches and excessive rainfall outlooks have been issued for today, Saturday, and Sunday. Read More >

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

71°F

22°C

Humidity 40%
Wind Speed E 13 G 20 mph
Barometer 30.14 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 21 May 5:15 pm CDT
Extended Forecast for

3 Miles SW Kewanee IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. East wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 70. East wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers, mainly between 9pm and 1am. Mostly cloudy, with a low around 54. East wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 77. Northeast wind around 5 mph becoming northwest in the afternoon.

    High: 77 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Monday Night

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

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 49. East wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 70. East wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
A 40 percent chance of showers, mainly between 9pm and 1am. Mostly cloudy, with a low around 54. East wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 77. Northeast wind around 5 mph becoming northwest in the afternoon.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 56.
Memorial Day
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Kewanee IL
 41.21°N 89.97°W (Elev. 840 ft)
Last Update:
2:51 pm CDT May 21, 2026
Forecast Valid:
5pm CDT May 21, 2026-6pm CDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation