Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Fair

66°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 29 Jul 1:55 am CDT
Extended Forecast for

Macomb IL

  • Overnight

    Overnight: Mostly clear, with a low around 64. Calm wind becoming east around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming east around 5 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming southeast around 5 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am.  Mostly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 10am.  High near 77. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 77 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 64. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Saturday

    Saturday: Showers likely, mainly after 1pm.  Partly sunny, with a high near 76. Breezy.  Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 64. Calm wind becoming east around 5 mph.
Wednesday
Sunny, with a high near 84. Calm wind becoming east around 5 mph.
Wednesday Night
Mostly clear, with a low around 63. Calm wind.
Thursday
Sunny, with a high near 84. Calm wind becoming southeast around 5 mph.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 66.
Friday
Showers, with thunderstorms also possible after 10am. High near 77. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Friday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.
Saturday
Showers likely, mainly after 1pm. Partly sunny, with a high near 76. Breezy. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Macomb IL
 40.46°N 90.67°W (Elev. 705 ft)
1:26 am CDT Jul 29, 2026
2am CDT Jul 29, 2026-6pm CDT Aug 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database