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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Fair

44°F

7°C

Humidity 62%
Wind Speed SW 9 mph
Barometer 30.15 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 12 Jan 3:55 pm CST
Extended Forecast for

Macomb IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a steady temperature around 42. Southwest wind 5 to 10 mph.

    High: 42 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 35. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Scattered sprinkles after 5pm. Increasing clouds, with a high near 53. West wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 53 °F

    Scattered
    Sprinkles

  • Tuesday Night

    Tuesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 31. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Wednesday

    Wednesday: Partly sunny, with a high near 32. Breezy.

    High: 32 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 13. Blustery.

    Low: 13 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around 42. Southwest wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 35. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Scattered sprinkles after 5pm. Increasing clouds, with a high near 53. West wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 31. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday
Partly sunny, with a high near 32. Breezy.
Wednesday Night
Mostly clear, with a low around 13. Blustery.
Thursday
Mostly sunny, with a high near 29.
Thursday Night
A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 23.
Friday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 37.
Friday Night
Mostly cloudy, with a low around 13.
Saturday
Partly sunny, with a high near 20.
Saturday Night
Partly cloudy, with a low around 4.
Sunday
Partly sunny, with a high near 19.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Macomb IL
 40.46°N 90.7°W (Elev. 673 ft)
Last Update:
3:16 pm CST Jan 12, 2026
Forecast Valid:
4pm CST Jan 12, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation