Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Light Rain

69°F

21°C

Humidity 100%
Wind Speed NE 6 mph
Barometer 29.78 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 18 Jun 9:55 am CDT
Extended Forecast for

Monmouth IL

  • Today

    Today: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 78. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 62. Northwest wind 5 to 10 mph.

    Low: 62 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Sunny, with a high near 84. West wind 5 to 10 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. West wind around 5 mph becoming south after midnight.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 62. Northwest wind 5 to 10 mph.
Juneteenth
Sunny, with a high near 84. West wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 65. West wind around 5 mph becoming south after midnight.
Friday
Sunny, with a high near 88.
Friday Night
Clear, with a low around 74.
Saturday
Sunny, with a high near 93.
Saturday Night
Clear, with a low around 75.
Sunday
Sunny, with a high near 94.
Sunday Night
Clear, with a low around 74.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Monmouth IL
 40.9°N 90.65°W (Elev. 774 ft)
6:46 am CDT Jun 18, 2025
10am CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
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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