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.

Overcast

44°F

7°C

Humidity 93%
Wind Speed W 5 mph
Barometer 30.02 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 15 Feb 11:15 am CST
Extended Forecast for

3 Miles NNW Frederick IL

  • Today

    Today: Mostly sunny, with a high near 59. West wind 3 to 7 mph.

    High: 59 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 41. Southwest wind 3 to 7 mph. Winds could gust as high as 15 mph.

    Low: 41 °F

    Mostly Clear
    then Patchy
    Fog

  • Washington's Birthday

    Washington's Birthday: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. South southwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. South wind around 8 mph, with gusts as high as 16 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 63. South southeast wind 7 to 17 mph, with gusts as high as 28 mph.

    High: 63 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 55. South wind around 18 mph, with gusts as high as 32 mph.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Sunny, with a high near 66. Breezy, with a west wind 13 to 20 mph, with gusts as high as 31 mph.

    High: 66 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain after noon. Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 59. West wind 3 to 7 mph.
Tonight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 41. Southwest wind 3 to 7 mph. Winds could gust as high as 15 mph.
Washington's Birthday
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. South southwest wind 8 to 13 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 43. South wind around 8 mph, with gusts as high as 16 mph.
Tuesday
Mostly cloudy, with a high near 63. South southeast wind 7 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 55. South wind around 18 mph, with gusts as high as 32 mph.
Wednesday
Sunny, with a high near 66. Breezy, with a west wind 13 to 20 mph, with gusts as high as 31 mph.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 63.
Thursday Night
A 30 percent chance of rain before midnight. Mostly clear, with a low around 33.
Friday
Partly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Frederick IL
 40.11°N 90.45°W (Elev. 666 ft)
Last Update:
11:16 am CST Feb 15, 2026
Forecast Valid:
11am CST Feb 15, 2026-6pm CST Feb 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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