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.

Mostly Cloudy

76°F

24°C

Humidity 69%
Wind Speed N 10 mph
Barometer 29.92 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 2 Aug 12:15 pm CDT
Extended Forecast for

4 Miles WSW Frederick IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 82. North wind around 11 mph, with gusts as high as 17 mph.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. North wind 5 to 7 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. East southeast wind around 5 mph becoming calm after midnight.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Light south wind.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Calm wind.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of showers before 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 82. North wind around 11 mph, with gusts as high as 17 mph.
Tonight
Mostly clear, with a low around 62. North wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 83. Calm wind becoming east southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 63. East southeast wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 86. Light south wind.
Tuesday Night
Mostly clear, with a low around 65. Calm wind.
Wednesday
Mostly sunny, with a high near 85. Calm wind.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers before 1pm. Partly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Partly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Frederick IL
 40.04°N 90.51°W (Elev. 600 ft)
Last Update:
12:37 pm CDT Aug 2, 2026
Forecast Valid:
12pm CDT Aug 2, 2026-6pm CDT Aug 8, 2026
 
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