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

67°F

19°C

Humidity 88%
Wind Speed S 6 mph
Barometer 30.01 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 19 Jun 10:55 pm CDT
Extended Forecast for

2 Miles SE Plymouth IL

  • Tonight

    Tonight: Mostly clear, with a low around 65. South southwest wind 5 to 7 mph, with gusts as high as 15 mph.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 88. South wind 7 to 16 mph, with gusts as high as 26 mph.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. South wind 13 to 16 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. Heat index values as high as 103. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 92 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 74. South southwest wind 13 to 17 mph, with gusts as high as 24 mph.

    Low: 74 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 92. South southwest wind 13 to 18 mph, with gusts as high as 26 mph.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 65. South southwest wind 5 to 7 mph, with gusts as high as 15 mph.
Friday
Mostly sunny, with a high near 88. South wind 7 to 16 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 75. South wind 13 to 16 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 92. Heat index values as high as 103. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Clear, with a low around 74. South southwest wind 13 to 17 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 92. South southwest wind 13 to 18 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 74. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 72.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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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:
5:55 pm CDT Jun 19, 2025
Forecast Valid:
11pm CDT Jun 19, 2025-6pm CDT Jun 26, 2025
 
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Additional Resources

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Chance of Precipitation