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

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Fair

36°F

2°C

Humidity 63%
Wind Speed SW 12 mph
Barometer 30.22 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 12 Jan 9:55 am CST
Extended Forecast for

Lewistown IL

  • Today

    Today: Mostly sunny, with a high near 46. West southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 46 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 33. South southwest wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 53. West wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. Northwest wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature falling to around 29 by 5pm. Breezy, with a north northwest wind 14 to 23 mph, with gusts as high as 36 mph.

    High: 38 °F⇓

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. North wind 9 to 18 mph, with gusts as high as 32 mph.

    Low: 15 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28. North northwest wind 6 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 40 percent chance of snow showers after noon. Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Today
Mostly sunny, with a high near 46. West southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 33. South southwest wind 6 to 8 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 53. West wind 9 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 33. Northwest wind 10 to 14 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, with a temperature falling to around 29 by 5pm. Breezy, with a north northwest wind 14 to 23 mph, with gusts as high as 36 mph.
Wednesday Night
Partly cloudy, with a low around 15. North wind 9 to 18 mph, with gusts as high as 32 mph.
Thursday
Mostly sunny, with a high near 28. North northwest wind 6 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 24.
Friday
A 40 percent chance of snow showers after noon. Mostly cloudy, with a high near 38.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly cloudy, with a high near 23.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
Mostly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewistown IL
 40.41°N 90.15°W (Elev. 568 ft)
Last Update:
9:36 am CST Jan 12, 2026
Forecast Valid:
10am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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