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.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Frederick IL
 40.11°N 90.45°W (Elev. 666 ft)
11:16 am CST Feb 15, 2026
11am CST Feb 15, 2026-6pm CST Feb 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database