Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Mostly Cloudy

69°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 19 Aug 4:55 am CDT
Extended Forecast for

4 Miles WSW Bishop Hill IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm.  Partly cloudy, with a low around 62. North wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming northeast around 5 mph.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Calm wind becoming south around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 81. Chance of precipitation is 40%.

    High: 81 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 7pm.  Mostly clear, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

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

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.
Tonight
A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 62. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 80. Calm wind becoming northeast around 5 mph.
Thursday Night
Mostly clear, with a low around 62. Calm wind becoming south around 5 mph.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 81. Chance of precipitation is 40%.
Friday Night
A chance of thunderstorms before 7pm. Mostly clear, with a low around 64. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Bishop Hill IL
 41.18°N 90.2°W (Elev. 801 ft)
2:56 am CDT Aug 19, 2026
5am CDT Aug 19, 2026-6pm CDT Aug 25, 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