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

38°F

3°C

Humidity 66%
Wind Speed SW 6 mph
Barometer 30.08 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 12 Jan 8:55 pm CST
Extended Forecast for

Frederick IL

  • Tonight

    Tonight: Partly cloudy, with a low around 34. South southwest wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. West wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. Northwest wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a temperature falling to around 28 by 5pm. Breezy, with a north northwest wind 14 to 21 mph, with gusts as high as 32 mph.

    High: 35 °F⇓

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 15. North northwest wind 7 to 14 mph, with gusts as high as 26 mph.

    Low: 15 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 30. Northwest wind around 7 mph becoming southwest in the afternoon.

    High: 30 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 24. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. South southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 56. West wind 9 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 34. Northwest wind 6 to 11 mph, with gusts as high as 23 mph.
Wednesday
Partly sunny, with a temperature falling to around 28 by 5pm. Breezy, with a north northwest wind 14 to 21 mph, with gusts as high as 32 mph.
Wednesday Night
Mostly clear, with a low around 15. North northwest wind 7 to 14 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 30. Northwest wind around 7 mph becoming southwest in the afternoon.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Friday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 39.
Friday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 15.
Saturday
Mostly cloudy, with a high near 22.
Saturday Night
Partly cloudy, with a low around 5.
Sunday
Partly sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 9.
M.L.King Day
Mostly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Frederick IL
 40.06°N 90.43°W (Elev. 440 ft)
Last Update:
8:56 pm CST Jan 12, 2026
Forecast Valid:
9pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation