National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mount Sterling, Mount Sterling Municipal Airport (KI63)

Lat: 39.99°NLon: 90.8°WElev: 732ft.

Fair

60°F

16°C

Humidity 61%
Wind Speed SW 6 mph
Barometer 30.08 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 9 Nov 6:35 pm CST
Extended Forecast for

5 Miles ESE Plymouth IL

  • Tonight

    Tonight: Mostly clear, with a low around 45. Southwest wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. Calm wind.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 3am. Increasing clouds, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Veterans Day

    Veterans Day: A 30 percent chance of showers. Mostly sunny, with a high near 60. Light and variable wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 22 mph.

    High: 60 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38. North northwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 47. North northwest wind 9 to 15 mph, with gusts as high as 21 mph.

    High: 47 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. North northwest wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 45. Southwest wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 65. Calm wind.
Tuesday Night
A 20 percent chance of showers after 3am. Increasing clouds, with a low around 45. Calm wind.
Veterans Day
A 30 percent chance of showers. Mostly sunny, with a high near 60. Light and variable wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 38. North northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Thursday
Partly sunny, with a high near 47. North northwest wind 9 to 15 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 28. North northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 44.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Plymouth IL
 40.27°N 90.82°W (Elev. 495 ft)
Last Update:
12:51 pm CST Nov 9, 2026
Forecast Valid:
6pm CST Nov 9, 2026-6pm CST Nov 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation