Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Partly Cloudy

77°F

25°C

Humidity 65%
Wind Speed NW 5 mph
Barometer 30.07 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Aug 4:15 pm CDT
Extended Forecast for

3 Miles SSE North Henderson IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. Northwest wind around 5 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. West wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 4pm.  Partly sunny, with a high near 79. Southwest wind 5 to 10 mph.  Chance of precipitation is 40%.

    High: 79 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 4am, then a slight chance of showers.  Partly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 79. Northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 62. West wind around 5 mph becoming calm.
Tuesday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 79. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Tuesday Night
Showers and thunderstorms likely before 4am, then a slight chance of showers. Partly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Partly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 61.
Friday
Mostly sunny, with a high near 79.
Friday Night
A 40 percent chance of showers. Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE North Henderson IL
 41.05°N 90.44°W (Elev. 755 ft)
1:26 pm CDT Aug 17, 2026
4pm CDT Aug 17, 2026-6pm CDT Aug 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database