Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

65°F

18°C

Humidity 83%
Wind Speed E 3 mph
Barometer 29.96 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 29 Jul 4:15 am CDT
Extended Forecast for

Monmouth IL

  • Today

    Today: Sunny, with a high near 84. East wind around 5 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. East wind around 5 mph becoming calm.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 84. South wind around 5 mph.

    High: 84 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am.  Increasing clouds, with a low around 66. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 10am.  High near 76. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 76 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 64. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers

  • Saturday

    Saturday: Showers likely, mainly before 1pm.  Partly sunny, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 84. East wind around 5 mph.
Tonight
Mostly clear, with a low around 63. East wind around 5 mph becoming calm.
Thursday
Increasing clouds, with a high near 84. South wind around 5 mph.
Thursday Night
A 40 percent chance of showers after 1am. Increasing clouds, with a low around 66. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Showers, with thunderstorms also possible after 10am. High near 76. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers likely, mainly before 1pm. Partly sunny, with a high near 76. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Monmouth IL
 40.9°N 90.65°W (Elev. 774 ft)
1:26 am CDT Jul 29, 2026
4am CDT Jul 29, 2026-6pm CDT Aug 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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