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

Hazardous Weather Conditions

Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Fair

64°F

18°C

Humidity 34%
Wind Speed S 13 mph
Barometer 30.18 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Apr 5:55 pm CDT
Extended Forecast for

Lewistown IL

  • Tonight

    Tonight: Mostly clear, with a low around 48. South wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Southwest wind 10 to 18 mph, with gusts as high as 29 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57. West southwest wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 57 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 79. West southwest wind around 8 mph, with gusts as high as 16 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. South wind around 7 mph, with gusts as high as 16 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 82. South wind 8 to 18 mph, with gusts as high as 30 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 59. South wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers before 1am. Partly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 48. South wind 7 to 9 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 78. Southwest wind 10 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57. West southwest wind 9 to 13 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 79. West southwest wind around 8 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 58. South wind around 7 mph, with gusts as high as 16 mph.
Thursday
Mostly sunny, with a high near 82. South wind 8 to 18 mph, with gusts as high as 30 mph.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 59. South wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers before 1am. Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
Partly sunny, with a high near 68.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 48.
Monday
A chance of showers. Mostly cloudy, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewistown IL
 40.38°N 90.15°W (Elev. 577 ft)
Last Update:
5:16 pm CDT Apr 20, 2026
Forecast Valid:
6pm CDT Apr 20, 2026-6pm CDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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