Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Partly Cloudy

82°F

28°C

Humidity 73%
Wind Speed SW 7 mph
Barometer 30.03 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 21 Aug 3:35 pm CDT
Extended Forecast for

Blandinsville IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Sunny, with a high near 83. West wind around 10 mph.

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms before 9pm.  Mostly clear, with a low around 64. West wind around 5 mph becoming north after midnight.

    Low: 64 °F

    Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 59. North wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Monday Night

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

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 83. West wind around 10 mph.
Tonight
A 50 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 64. West wind around 5 mph becoming north after midnight.
Saturday
Sunny, with a high near 81. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 59. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Partly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Blandinsville IL
 40.56°N 90.87°W (Elev. 732 ft)
3:46 pm CDT Aug 21, 2026
3pm CDT Aug 21, 2026-6pm CDT Aug 27, 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