Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Mostly Cloudy

74°F

23°C

Humidity 92%
Wind Speed Calm
Barometer 30.30 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 16 Sep 2:15 pm CDT
Extended Forecast for

Alexis IL

Flood Watch September 16, 10:00pm until September 17, 10:00am
Click here for hazard details and duration
Flood Watch
  • This Afternoon

    This Afternoon: A 30 percent chance of showers, mainly before 3pm.  Cloudy, with a high near 73. Northeast wind around 5 mph.

    High: 73 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall.  Low around 67. Northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Slight Chance
    T-storms then
    Heavy Rain

  • Thursday

    Thursday: Showers and thunderstorms before 11am, then a slight chance of showers between 11am and 1pm. Some of the storms could produce heavy rainfall.  High near 81. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 81 °F

    Heavy Rain
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 66. North wind around 5 mph.

    Low: 66 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers after 7am.  Partly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers.  Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 66. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 30 percent chance of showers, mainly before 3pm. Cloudy, with a high near 73. Northeast wind around 5 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Low around 67. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers and thunderstorms before 11am, then a slight chance of showers between 11am and 1pm. Some of the storms could produce heavy rainfall. High near 81. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Mostly cloudy, with a low around 66. North wind around 5 mph.
Friday
A 40 percent chance of showers after 7am. Partly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 69.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 85.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 72.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 70.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Alexis IL
 41.05°N 90.56°W (Elev. 673 ft)
1:27 pm CDT Sep 16, 2026
2pm CDT Sep 16, 2026-6pm CDT Sep 22, 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