Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Fair

60°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 21 Aug 4:55 am CDT
Extended Forecast for

4 Miles NNW Plymouth IL

  • Today

    Today: Patchy fog before 7am.  Otherwise, sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm.  Mostly clear, with a low around 65. West wind around 5 mph becoming northeast in the evening.

    Low: 65 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Northwest wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Saturday Night

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

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Monday Night

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

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 7am. Otherwise, sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly clear, with a low around 65. West wind around 5 mph becoming northeast in the evening.
Saturday
Sunny, with a high near 82. Northwest wind 5 to 10 mph.
Saturday Night
Clear, with a low around 59. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Partly sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Plymouth IL
 40.34°N 90.93°W (Elev. 551 ft)
1:26 am CDT Aug 21, 2026
5am CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database