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

69°F

21°C

Humidity 75%
Wind Speed SW 5 mph
Barometer 30.02 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 19 Jun 9:15 pm CDT
Extended Forecast for

5 Miles SSW Littleton IL

  • Tonight

    Tonight: A 20 percent chance of showers. Mostly cloudy, with a low around 62. Light west wind.

    Low: 62 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 4am. Partly cloudy, with a low around 63. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 50%.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 75. East wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

    High: 75 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 59. North wind 9 to 14 mph, with gusts as high as 21 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 75. North wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 75 °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

Tonight
A 20 percent chance of showers. Mostly cloudy, with a low around 62. Light west wind.
Saturday
Mostly sunny, with a high near 83. Calm wind becoming west northwest around 5 mph in the afternoon.
Saturday Night
A chance of showers, with thunderstorms also possible after 4am. Partly cloudy, with a low around 63. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 50%.
Sunday
Showers and possibly a thunderstorm. High near 75. East wind 9 to 15 mph, with gusts as high as 23 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 9 to 14 mph, with gusts as high as 21 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 75. North wind 9 to 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:
5 Miles SSW Littleton IL
 40.18°N 90.65°W (Elev. 577 ft)
Last Update:
7:51 pm CDT Jun 19, 2026
Forecast Valid:
9pm CDT Jun 19, 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