National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall for Portions of the West and Central U.S.; Monitoring Fire Weather Conditions for New England

Tropical moisture continues to flow across portions of the Great Basin, desert Southwest and California. Isolated instances of flash flooding remains possible. Meanwhile, a storm and associated frontal boundary will focus showers and thunderstorms for the center of the nation. For New England, dry and breezy conditions could enhance favorable fire weather conditions. Read More >

Hazardous Weather Conditions

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

69°F

21°C

Humidity 80%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 19 Sep 8:55 am CDT
Extended Forecast for

Alpha IL

  • Today

    Today: Partly sunny, with a high near 80. Southeast wind 5 to 10 mph becoming southwest in the afternoon.

    High: 80 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms, mainly between 2am and 4am. Partly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 80. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East wind around 5 mph becoming calm.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 77.

    High: 77 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 62. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers. Mostly cloudy, with a high near 78.

    High: 78 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 80. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms, mainly between 2am and 4am. Partly cloudy, with a low around 61. South wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 80. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 30%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East wind around 5 mph becoming calm.
Sunday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 77.
Sunday Night
A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 62. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 63.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 78.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 62.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 74.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alpha IL
 41.2°N 90.37°W (Elev. 781 ft)
Last Update:
9:01 am CDT Sep 19, 2025
Forecast Valid:
9am CDT Sep 19, 2025-6pm CDT Sep 25, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation