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Hazardous Weather Conditions

Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Fair

75°F

24°C

Humidity 97%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 1 Jul 12:55 am CDT
Extended Forecast for

Lewistown IL

Extreme Heat Warning July 1, 01:04am until July 3, 12:00am
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 1, 01:04am until July 3, 12:00am

    NOW until 12:00am Fri

    Extreme Heat Warning

  • Overnight

    Low: 74 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 103. Light south southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South southwest wind 5 to 9 mph becoming light southwest after midnight. Winds could gust as high as 18 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 95. Heat index values as high as 105. Light south southwest wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 17 mph.

    High: 95 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75. South southwest wind around 6 mph becoming calm in the evening.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. South southwest wind 3 to 8 mph. Winds could gust as high as 16 mph.

    High: 93 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Chance
    T-storms

  • Independence Day

    Independence Day: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 40%.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 74. Light south southwest wind.
Wednesday
Sunny, with a high near 94. Heat index values as high as 103. Light south southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 76. South southwest wind 5 to 9 mph becoming light southwest after midnight. Winds could gust as high as 18 mph.
Thursday
Sunny and hot, with a high near 95. Heat index values as high as 105. Light south southwest wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 17 mph.
Thursday Night
Partly cloudy, with a low around 75. South southwest wind around 6 mph becoming calm in the evening.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. South southwest wind 3 to 8 mph. Winds could gust as high as 16 mph.
Friday Night
A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.
Independence Day
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Mostly sunny, with a high near 87.
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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:
12:16 am CDT Jul 1, 2026
Forecast Valid:
1am CDT Jul 1, 2026-6pm CDT Jul 7, 2026
 
Forecast Discussion
 
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Additional Resources

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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