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 >

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

70°F

21°C

Humidity 100%
Wind Speed SW 5 mph
Barometer 29.96 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 19 Aug 1:55 am CDT
Extended Forecast for

4 Miles SW Cameron IL

  • Overnight

    Overnight: A 30 percent chance of showers, mainly after 4am.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a steady temperature around 69. Calm wind.

    Low: 69 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 80. Calm wind becoming northeast around 5 mph.  Chance of precipitation is 40%.

    High: 80 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 80. Northeast wind around 5 mph becoming calm.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 81.

    High: 81 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly after 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a steady temperature around 69. Calm wind.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 80. Calm wind becoming northeast around 5 mph. Chance of precipitation is 40%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 63. Calm wind.
Thursday
Sunny, with a high near 80. Northeast wind around 5 mph becoming calm.
Thursday Night
Mostly clear, with a low around 63.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 77.
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 81.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Cameron IL
 40.86°N 90.56°W (Elev. 751 ft)
1:25 am CDT Aug 19, 2026
2am 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