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

Hazardous Weather Conditions

Current conditions at

Mount Sterling, Mount Sterling Municipal Airport (KI63)

Lat: 39.99°NLon: 90.8°WElev: 732ft.

Fair

25°F

-4°C

Humidity 75%
Wind Speed NW 7 mph
Barometer 30.48 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 28 Nov 9:15 am CST
Extended Forecast for

5 Miles ESE Plymouth IL

Winter Storm Warning November 29, 12:00am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning

  • Today

    Today: Increasing clouds, with a high near 34. Northwest wind around 6 mph becoming light and variable in the morning.

    High: 34 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Snow, mainly after midnight. The snow could be heavy at times. Low around 27. East southeast wind 5 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Chance Snow
    then Heavy
    Snow

  • Saturday

    Saturday: Snow before 1pm, then rain and snow. The snow could be heavy at times. High near 35. Southeast wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 35 °F

    Heavy Snow
    then
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain and snow, becoming all snow after 9pm. Low around 20. South southeast wind 11 to 18 mph becoming west northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Rain/Snow
    then Chance
    Snow

  • Sunday

    Sunday: Partly sunny, with a high near 26. Northwest wind 10 to 18 mph, with gusts as high as 29 mph.

    High: 26 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 7. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 7 °F

    Increasing
    Clouds

  • Monday

    Monday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 21. Light and variable wind.

    High: 21 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 9.

    Low: 9 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 34. Northwest wind around 6 mph becoming light and variable in the morning.
Tonight
Snow, mainly after midnight. The snow could be heavy at times. Low around 27. East southeast wind 5 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow before 1pm, then rain and snow. The snow could be heavy at times. High near 35. Southeast wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Rain and snow, becoming all snow after 9pm. Low around 20. South southeast wind 11 to 18 mph becoming west northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday
Partly sunny, with a high near 26. Northwest wind 10 to 18 mph, with gusts as high as 29 mph.
Sunday Night
Increasing clouds, with a low around 7. Northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Monday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 21. Light and variable wind.
Monday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 9.
Tuesday
Partly sunny, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Mostly cloudy, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 25.
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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:
8:22 am CST Nov 28, 2025
Forecast Valid:
9am CST Nov 28, 2025-6pm CST Dec 4, 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