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

60°F

16°C

Humidity 93%
Wind Speed NW 6 mph
Barometer 30.15 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 23 Jun 12:15 am CDT
Extended Forecast for

4 Miles WNW Frederick IL

  • Overnight

    Overnight: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Calm wind.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 60. Light southeast wind.

    Low: 60 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. South southwest wind around 6 mph.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Light southwest wind.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 62. Light east northeast wind.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 56. Calm wind.
Tuesday
Mostly sunny, with a high near 78. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 60. Light southeast wind.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. South southwest wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 63. Light southwest wind.
Thursday
Mostly sunny, with a high near 81. Calm wind becoming north northwest around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 62. Light east northeast wind.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Saturday
Partly sunny, with a high near 84.
Saturday Night
A chance of showers. Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Frederick IL
 40.09°N 90.48°W (Elev. 620 ft)
Last Update:
12:01 am CDT Jun 23, 2026
Forecast Valid:
12am CDT Jun 23, 2026-6pm CDT Jun 29, 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