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

Severe Thunderstorms and Heavy Rainfall Today from the Central Plains into the Tennessee Valley

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into portions of the Southeast today. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys today. Read More >

Hazardous Weather Conditions

Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Fair

63°F

17°C

Humidity 99%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 12 Jul 4:15 am CDT
Extended Forecast for

Lewistown IL

  • Today

    Today: Sunny, with a high near 87. East northeast wind 5 to 8 mph, with gusts as high as 16 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 89. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 68. Light north wind.

    Low: 68 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Calm wind.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 71. Calm wind.

    Low: 71 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Calm wind.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 87. East northeast wind 5 to 8 mph, with gusts as high as 16 mph.
Tonight
Clear, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 89. Calm wind becoming northeast around 6 mph in the afternoon.
Monday Night
Clear, with a low around 68. Light north wind.
Tuesday
Sunny, with a high near 92. Calm wind.
Tuesday Night
Clear, with a low around 71. Calm wind.
Wednesday
Sunny, with a high near 93. Calm wind.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 93.
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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:
3:36 am CDT Jul 12, 2026
Forecast Valid:
4am CDT Jul 12, 2026-6pm CDT Jul 18, 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