Current conditions at

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Rain

71°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 71°F (22°C)
Visibility 4.00 mi
Last update 15 Aug 4:35 am CDT
Extended Forecast for

Plymouth IL

Flood Watch August 15, 04:49am until August 15, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 15, 04:49am until August 15, 10:00am

    NOW until 10:00am Sat

    Flood Watch

  • Overnight

    Low: 74 °F

    Heavy Rain

  • Saturday

    Saturday: Showers and thunderstorms, mainly before 10am. Some of the storms could produce heavy rainfall.  High near 87. South wind 5 to 10 mph becoming west in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 87 °F

    Heavy Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am.  Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 73 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 7am.  Partly sunny, with a high near 86. Northwest wind 5 to 10 mph.

    High: 86 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

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

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Monday Night

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

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 74. East wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and thunderstorms, mainly before 10am. Some of the storms could produce heavy rainfall. High near 87. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Partly sunny, with a high near 86. Northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 70. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 78.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Plymouth IL
 40.29°N 90.91°W (Elev. 650 ft)
3:26 am CDT Aug 15, 2026
4am CDT Aug 15, 2026-6pm CDT Aug 21, 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