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

65°F

18°C

Humidity 33%
Wind Speed W 7 mph
Barometer 29.69 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 7 Nov 4:35 pm CST
Extended Forecast for

2 Miles SE Plymouth IL

  • Tonight

    Tonight: Increasing clouds, with a low around 37. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 16 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Rain, mainly after noon. High near 49. Light and variable wind becoming north northwest 6 to 11 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: Rain likely before midnight, then a slight chance of rain and snow. Cloudy, then gradually becoming partly cloudy, with a low around 28. North northwest wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 28 °F

    Rain Likely
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: Sunny, with a high near 36. Breezy, with a north northwest wind 16 to 20 mph, with gusts as high as 30 mph.

    High: 36 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 21. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 21 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 40. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. West wind 6 to 10 mph becoming south southwest after midnight. Winds could gust as high as 18 mph.

    Low: 24 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 37. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 16 mph.
Saturday
Rain, mainly after noon. High near 49. Light and variable wind becoming north northwest 6 to 11 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain likely before midnight, then a slight chance of rain and snow. Cloudy, then gradually becoming partly cloudy, with a low around 28. North northwest wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Sunny, with a high near 36. Breezy, with a north northwest wind 16 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 21. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 40. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 24. West wind 6 to 10 mph becoming south southwest after midnight. Winds could gust as high as 18 mph.
Veterans Day
Partly sunny, with a high near 55.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Plymouth IL
 40.27°N 90.88°W (Elev. 646 ft)
Last Update:
3:16 pm CST Nov 7, 2025
Forecast Valid:
4pm CST Nov 7, 2025-6pm CST Nov 14, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation