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

Heavy to Excessive Rainfall This Week from the Southwest into Central U.S.; Severe Weather in the Southern Plains

Pacific tropical moisture wrapping into a storm will continue a multi-day heavy rainfall event this week that will impact multiple areas in the Plains and Intermountain West. Isolated severe thunderstorm wind gusts and possibly a tornado or two could occur tonight from southern and eastern New Mexico into west Texas. Read More >

Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Fair

69°F

21°C

Humidity 66%
Wind Speed S 5 mph
Barometer 29.93 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 29 Sep 8:35 pm CDT
Extended Forecast for

Macomb IL

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 4am. Cloudy, with a low around 65. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 73. South wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 10am. High near 73. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 73 °F

    Showers

  • Thursday Night

    Thursday Night: Showers. Low around 60. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 60 °F

    Showers

  • Friday

    Friday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, with thunderstorms also possible after 4am. Cloudy, with a low around 65. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 73. South wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 40%.
Thursday
Showers likely, then showers and possibly a thunderstorm after 10am. High near 73. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
Showers. Low around 60. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Friday
Mostly sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Macomb IL
 40.46°N 90.7°W (Elev. 673 ft)
Last Update:
2:41 pm CDT Sep 29, 2026
Forecast Valid:
8pm CDT Sep 29, 2026-6pm CDT Oct 6, 2026
 
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