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

55°F

13°C

Humidity 41%
Wind Speed SE 18 G 24 mph
Barometer 29.91 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 14 Mar 4:15 pm CDT
Extended Forecast for

Frederick IL

Wind Advisory March 15, 10:00am until March 16, 07:00am
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Increasing clouds, with a low around 48. East southeast wind 10 to 14 mph, with gusts as high as 26 mph.

    Low: 48 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then showers after 4pm. High near 64. Breezy, with a south wind 15 to 23 mph becoming west southwest in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Rain showers before 9pm, then snow showers, possibly mixed with rain between 9pm and 10pm, then snow after 10pm. Patchy blowing snow after 10pm. Low around 16. Wind chill values between 1 and 11. Blustery, with a west northwest wind 22 to 25 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 16 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: A 30 percent chance of snow before 1pm. Areas of blowing snow. Mostly cloudy, with a high near 24. Wind chill values between -1 and 8. Blustery, with a west northwest wind 22 to 24 mph, with gusts as high as 44 mph.

    High: 24 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 9. Northwest wind 8 to 16 mph, with gusts as high as 28 mph.

    Low: 9 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. West northwest wind around 7 mph becoming south southwest in the afternoon.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 27. South southeast wind 7 to 11 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Chance Snow

  • Wednesday

    Wednesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 48. East southeast wind 10 to 14 mph, with gusts as high as 26 mph.
Sunday
Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then showers after 4pm. High near 64. Breezy, with a south wind 15 to 23 mph becoming west southwest in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain showers before 9pm, then snow showers, possibly mixed with rain between 9pm and 10pm, then snow after 10pm. Patchy blowing snow after 10pm. Low around 16. Wind chill values between 1 and 11. Blustery, with a west northwest wind 22 to 25 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Monday
A 30 percent chance of snow before 1pm. Areas of blowing snow. Mostly cloudy, with a high near 24. Wind chill values between -1 and 8. Blustery, with a west northwest wind 22 to 24 mph, with gusts as high as 44 mph.
Monday Night
Partly cloudy, with a low around 9. Northwest wind 8 to 16 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 33. West northwest wind around 7 mph becoming south southwest in the afternoon.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 27. South southeast wind 7 to 11 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 74.
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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:
3:36 pm CDT Mar 14, 2026
Forecast Valid:
4pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation