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

82°F

28°C

Humidity 64%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 3 Aug 5:35 pm CDT
Extended Forecast for

4 Miles SSE Lewistown IL

  • Tonight

    Tonight: Mostly clear, with a low around 62. Southeast wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Calm wind becoming south 5 to 7 mph in the morning.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. South southeast wind 3 to 5 mph.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly sunny, with a high near 85. Light south wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Partly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 65. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    Showers

  • Thursday

    Thursday: A 50 percent chance of showers before 1pm. Partly sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 62. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 88. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 67. South southeast wind 3 to 5 mph.
Wednesday
Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly sunny, with a high near 85. Light south wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Low around 65. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A 50 percent chance of showers before 1pm. Partly sunny, with a high near 82. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 63. Calm wind.
Friday
Mostly sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 70.
Monday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Lewistown IL
 40.34°N 90.12°W (Elev. 449 ft)
Last Update:
4:36 pm CDT Aug 3, 2026
Forecast Valid:
5pm CDT Aug 3, 2026-6pm CDT Aug 10, 2026
 
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