Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

60°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 21 Aug 5:35 am CDT
Extended Forecast for

3 Miles SW Galesburg Municipal Airport IL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 10pm.  Partly cloudy, with a low around 64. Southwest wind around 5 mph becoming northwest after midnight.

    Low: 64 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 58. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 64. Southwest wind around 5 mph becoming northwest after midnight.
Saturday
Sunny, with a high near 80. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Partly sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Galesburg Municipal Airport IL
 40.92°N 90.47°W (Elev. 725 ft)
1:26 am CDT Aug 21, 2026
5am CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
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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