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Current conditions at

Mount Sterling, Mount Sterling Municipal Airport (KI63)

Lat: 39.99°NLon: 90.8°WElev: 732ft.

Fair

79°F

26°C

Humidity 29%
Wind Speed SW 5 mph
Barometer 30.11 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 8 Oct 1:15 pm CDT
Extended Forecast for

3 Miles SSE Plymouth IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. Calm wind.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Calm wind becoming east southeast around 5 mph after midnight.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 85. Southeast wind 5 to 9 mph becoming south southwest in the afternoon. Winds could gust as high as 16 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. South wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. South wind 6 to 10 mph, with gusts as high as 17 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59. South southeast wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 16 mph.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 78. Light and variable wind.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 80. Calm wind.
Tonight
Mostly clear, with a low around 57. Calm wind becoming east southeast around 5 mph after midnight.
Friday
Mostly sunny, with a high near 85. Southeast wind 5 to 9 mph becoming south southwest in the afternoon. Winds could gust as high as 16 mph.
Friday Night
Mostly clear, with a low around 62. South wind 6 to 9 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 84. South wind 6 to 10 mph, with gusts as high as 17 mph.
Saturday Night
Mostly cloudy, with a low around 59. South southeast wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 16 mph.
Sunday
Sunny, with a high near 78. Light and variable wind.
Sunday Night
Mostly clear, with a low around 60.
Columbus Day
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Plymouth IL
 40.25°N 90.88°W (Elev. 617 ft)
Last Update:
1:21 pm CDT Oct 8, 2026
Forecast Valid:
1pm CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation