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

66°F

19°C

Humidity 78%
Wind Speed SW 5 mph
Barometer 30.01 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 20 Jun 12:15 am CDT
Extended Forecast for

2 Miles NNE Huntsville IL

  • Overnight

    Overnight: A 30 percent chance of showers, mainly between 1am and 3am. Mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Calm wind becoming west northwest around 5 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 63. Calm wind becoming east 5 to 7 mph after midnight.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Some of the storms could produce heavy rainfall. High near 75. East wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

    High: 75 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 59. North wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Showers
    Likely

  • Monday

    Monday: Partly sunny, with a high near 74. North wind around 11 mph, with gusts as high as 20 mph.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. North northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly between 1am and 3am. Mostly cloudy, with a low around 63. Calm wind.
Saturday
Mostly sunny, with a high near 82. Calm wind becoming west northwest around 5 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 63. Calm wind becoming east 5 to 7 mph after midnight.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Some of the storms could produce heavy rainfall. High near 75. East wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Sunday Night
Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 59. North wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Partly sunny, with a high near 74. North wind around 11 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 56. North northeast wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 59.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Huntsville IL
 40.23°N 90.85°W (Elev. 607 ft)
Last Update:
12:01 am CDT Jun 20, 2026
Forecast Valid:
12am CDT Jun 20, 2026-6pm CDT Jun 26, 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