Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Fair

80°F

27°C

Humidity 62%
Wind Speed NW 5 mph
Barometer 30.08 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Aug 5:15 pm CDT
Extended Forecast for

Lewistown IL

  • Tonight

    Tonight: Mostly clear, with a low around 61. Light north wind.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 81 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 79. Light northeast wind.

    High: 79 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 61. Light north wind.
Tuesday
Increasing clouds, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Partly sunny, with a high near 79. Light northeast wind.
Wednesday Night
Partly cloudy, with a low around 62. Calm wind.
Thursday
Sunny, with a high near 79. Calm wind.
Thursday Night
Mostly clear, with a low around 61. Calm wind.
Friday
Sunny, with a high near 81.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown IL
 40.41°N 90.15°W (Elev. 568 ft)
4:36 pm CDT Aug 17, 2026
5pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
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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