Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Fog/Mist

74°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 74°F (23°C)
Visibility 2.00 mi
Last update 26 Jul 2:15 am CDT
Extended Forecast for

Macomb IL

Extreme Heat Watch July 26, 09:00pm until July 27, 10:00pm
Extreme Heat Warning July 26, 11:00am until July 26, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
Extreme Heat Warning
  • Overnight

    Overnight: Mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms before 10am.  Partly sunny, with a high near 93. Heat index values as high as 107. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 93 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. Southwest wind around 5 mph.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 95. Heat index values as high as 110. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 72. Calm wind.
Sunday
A 30 percent chance of showers and thunderstorms before 10am. Partly sunny, with a high near 93. Heat index values as high as 107. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 76. Southwest wind around 5 mph.
Monday
Sunny and hot, with a high near 95. Heat index values as high as 110. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Sunny, with a high near 85.
Basemap Options
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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 26, 2026
2am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
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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