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

90°F

32°C

Humidity 34%
Wind Speed S 7 mph
Barometer 30.16 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 3 Oct 2:55 pm CDT
Extended Forecast for

Lewistown IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 90. South southwest wind around 8 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. Light south wind.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. South wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 60. South wind around 7 mph, with gusts as high as 15 mph.

    Low: 60 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 87. South wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 61. South wind 6 to 8 mph, with gusts as high as 17 mph.

    Low: 61 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 88. South southwest wind 3 to 6 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

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

    High: 77 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 90. South southwest wind around 8 mph.
Tonight
Mostly clear, with a low around 63. Light south wind.
Saturday
Sunny, with a high near 89. South wind 5 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Clear, with a low around 60. South wind around 7 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 87. South wind 6 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Clear, with a low around 61. South wind 6 to 8 mph, with gusts as high as 17 mph.
Monday
Sunny, with a high near 88. South southwest wind 3 to 6 mph.
Monday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 60.
Tuesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 73.
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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:
12:51 pm CDT Oct 3, 2025
Forecast Valid:
3pm CDT Oct 3, 2025-6pm CDT Oct 9, 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