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

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 72°F (22°C)
Visibility 7.00 mi
Last update 28 Jul 9:55 pm CDT
Extended Forecast for

Tennessee IL

  • Tonight

    Tonight: Mostly clear, with a low around 65. Calm wind becoming east around 5 mph after midnight.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Calm wind becoming east around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Wednesday Night

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

    Low: 63 °F

    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 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 1pm.  High near 80. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 80 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 65. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 65. Calm wind becoming east around 5 mph after midnight.
Wednesday
Sunny, with a high near 85. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 63. Calm wind.
Thursday
Mostly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 66.
Friday
Showers, with thunderstorms also possible after 1pm. High near 80. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
Saturday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 63.
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 65.
Tuesday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Tennessee IL
 40.4°N 90.81°W (Elev. 650 ft)
8:36 pm CDT Jul 28, 2026
10pm CDT Jul 28, 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