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 37%
Wind Speed E 14 mph
Barometer 30.13 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 21 May 5:35 pm CDT
Extended Forecast for

Gerlaw IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. East wind around 10 mph, with gusts as high as 25 mph.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers before 2pm, then a slight chance of showers after 3pm.  Mostly cloudy, with a high near 70. East wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly between 9pm and 1am.  Mostly cloudy, with a low around 54. East wind 5 to 10 mph.

    Low: 54 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 78. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 78 °F

    Partly Sunny

  • Saturday Night

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

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • 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 50. East wind around 10 mph, with gusts as high as 25 mph.
Friday
A slight chance of showers before 2pm, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 70. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of showers, mainly between 9pm and 1am. Mostly cloudy, with a low around 54. East wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 78. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 80.
Sunday Night
Mostly clear, 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 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Gerlaw IL
 40.99°N 90.62°W (Elev. 719 ft)
2:51 pm CDT May 21, 2026
5pm CDT May 21, 2026-6pm CDT May 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database