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

37°F

3°C

Humidity 86%
Wind Speed S 7 mph
Barometer 30.14 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 2 Nov 10:35 pm CST
Extended Forecast for

Frederick IL

  • Tonight

    Tonight: Mostly clear, with a low around 36. South southwest wind around 7 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64. Northwest wind 5 to 8 mph becoming light and variable in the afternoon. Winds could gust as high as 15 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70. Light south southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. Southwest wind 6 to 9 mph becoming north northwest in the afternoon. Winds could gust as high as 17 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. North northwest wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 36. South southwest wind around 7 mph.
Monday
Sunny, with a high near 64. Northwest wind 5 to 8 mph becoming light and variable in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Partly cloudy, with a low around 36. Calm wind.
Tuesday
Mostly sunny, with a high near 70. Light south southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 50. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 69. Southwest wind 6 to 9 mph becoming north northwest in the afternoon. Winds could gust as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 37. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Frederick IL
 40.06°N 90.43°W (Elev. 440 ft)
Last Update:
10:11 pm CST Nov 2, 2025
Forecast Valid:
10pm CST Nov 2, 2025-6pm CST Nov 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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