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

56°F

13°C

Humidity 94%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Jun 4:35 am CDT
Extended Forecast for

3 Miles NW 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

  • Juneteenth

    High: 80 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. Light and variable wind.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers after 1am. Partly cloudy, with a low around 64. Calm wind becoming east 5 to 7 mph in the evening.

    Low: 64 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 7am. Some of the storms could produce heavy rainfall. High near 76. East southeast wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 76 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 61. North northeast wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Showers
    Likely

  • Monday

    Monday: Partly sunny, with a high near 74. North northeast wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Juneteenth
Increasing clouds, with a high near 80. Calm wind becoming west northwest around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 62. Light and variable wind.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 82. Light and variable wind.
Saturday Night
A 50 percent chance of showers after 1am. Partly cloudy, with a low around 64. Calm wind becoming east 5 to 7 mph in the evening.
Sunday
Showers, with thunderstorms also possible after 7am. Some of the storms could produce heavy rainfall. High near 76. East southeast wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 61. North northeast wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Partly sunny, with a high near 74. North northeast wind 10 to 13 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Frederick IL
 40.11°N 90.45°W (Elev. 666 ft)
Last Update:
4:36 am CDT Jun 19, 2026
Forecast Valid:
4am CDT Jun 19, 2026-6pm CDT Jun 25, 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