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 77%
Wind Speed W 12 mph
Barometer 29.93 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 May 9:35 pm CDT
Extended Forecast for

Lewistown IL

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly cloudy early, then gradual clearing, with a low around 53. West southwest wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 30%.

    Low: 53 °F

    Chance
    Showers then
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. North northwest wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 44. North wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.

    Low: 44 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Calm wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers after 1am. Low around 55. South southeast wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Mostly Cloudy
    then Showers

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 86. South southeast wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 86 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. South wind around 6 mph becoming calm after midnight. Winds could gust as high as 16 mph.

    Low: 60 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly cloudy early, then gradual clearing, with a low around 53. West southwest wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 71. North northwest wind 10 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
Clear, with a low around 44. North wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 76. Calm wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 16 mph.
Thursday Night
Showers after 1am. Low around 55. South southeast wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 30 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 86. South southeast wind 10 to 15 mph, with gusts as high as 26 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. South wind around 6 mph becoming calm after midnight. Winds could gust as high as 16 mph.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 50%.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 89.
Monday Night
Showers likely. Mostly cloudy, with a low around 63.
Tuesday
A chance of showers. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown IL
 40.41°N 90.15°W (Elev. 568 ft)
Last Update:
9:36 pm CDT May 12, 2026
Forecast Valid:
9pm CDT May 12, 2026-6pm CDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation