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

67°F

19°C

Humidity 71%
Wind Speed W 13 G 18 mph
Barometer 29.88 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 16 Apr 9:35 am CDT
Extended Forecast for

3 Miles NNW Frederick IL

Flood Warning until further notice
Click here for hazard details and duration
Flood Warning until further notice
  •  
    Flood Warning until further notice

    NOW until further notice

    Flood Warning

  • Today

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. South wind 3 to 6 mph.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 45. South wind around 16 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 45 °F

    T-storms then
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 55. West northwest wind around 17 mph, with gusts as high as 26 mph.

    High: 55 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 36. West wind 8 to 15 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 8am. Otherwise, sunny, with a high near 59. West northwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 59 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 80. West wind 9 to 11 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 57. South wind 3 to 6 mph.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 45. South wind around 16 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Saturday
A 30 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 55. West northwest wind around 17 mph, with gusts as high as 26 mph.
Saturday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 36. West wind 8 to 15 mph, with gusts as high as 22 mph.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 59. West northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 75.
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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:
9:37 am CDT Apr 16, 2026
Forecast Valid:
9am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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