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.

Fair

57°F

14°C

Humidity 94%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Jun 3:15 am CDT
Extended Forecast for

3 Miles NNW Huntsville IL

  • Overnight

    Overnight: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 81. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

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

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind becoming west southwest around 5 mph.

    High: 82 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Showers likely after 1am. Increasing clouds, with a low around 64. East wind 3 to 8 mph. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 64 °F

    Partly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 7am. Some of the storms could produce heavy rainfall. High near 76. East southeast wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

    High: 76 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers likely before 1am. Mostly cloudy, with a low around 60. North wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers
    Likely

  • Monday

    Monday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 57. Calm wind.
Juneteenth
Sunny, with a high near 81. Calm wind becoming west northwest around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 62. Light and variable wind.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind becoming west southwest around 5 mph.
Saturday Night
Showers likely after 1am. Increasing clouds, with a low around 64. East wind 3 to 8 mph. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, with thunderstorms also possible after 7am. Some of the storms could produce heavy rainfall. High near 76. East southeast wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Sunday Night
Showers likely before 1am. Mostly cloudy, with a low around 60. North wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Partly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Partly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Huntsville IL
 40.23°N 90.88°W (Elev. 600 ft)
Last Update:
3:16 am CDT Jun 19, 2026
Forecast Valid:
3am 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