Showers and Thunderstorms from the Southern Plains into the Ohio Valley; Record Warmth in the Central U.S.

Heavy rain and widely scattered severe storms are expected over portions of the central and southern Plains into the Ohio Valley. Unseasonable warmth will continue for a few more days across the Midwest, Southeast, and Mid-Atlantic where several daily record highs could fall. Read More >

Hazardous Weather Conditions

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Overcast

60°F

16°C

Humidity 89%
Wind Speed E 6 mph
Barometer 30.13 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Oct 2:35 am CDT
Extended Forecast for

Monmouth IL

  • Overnight

    Overnight: A 20 percent chance of showers.  Cloudy, with a low around 58. East wind around 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 4pm.  High near 65. East wind around 5 mph becoming southwest in the afternoon.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 65 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm.  Mostly cloudy, with a low around 45. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.  Chance of precipitation is 30%.

    Low: 45 °F

    Breezy.
    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A chance of showers between 11am and 3pm.  Increasing clouds, with a high near 53. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 40 mph.  Chance of precipitation is 40%.

    High: 53 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Patchy frost after 4am.  Otherwise, partly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 9am.  Otherwise, sunny, with a high near 56.

    High: 56 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Areas of frost before 7am.  Otherwise, sunny, with a high near 66.

    High: 66 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers. Cloudy, with a low around 58. East wind around 10 mph, with gusts as high as 20 mph.
Thursday
Showers, with thunderstorms also possible after 4pm. High near 65. East wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 45. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
Friday
A chance of showers between 11am and 3pm. Increasing clouds, with a high near 53. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.
Friday Night
Patchy frost after 4am. Otherwise, partly cloudy, with a low around 34.
Saturday
Areas of frost before 9am. Otherwise, sunny, with a high near 56.
Saturday Night
Clear, with a low around 37.
Sunday
Areas of frost before 7am. Otherwise, sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 42.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Monmouth IL
 40.9°N 90.65°W (Elev. 774 ft)
1:51 am CDT Oct 15, 2026
2am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database