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

47°F

8°C

Humidity 74%
Wind Speed SE 5 mph
Barometer 30.10 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 14 May 4:35 am CDT
Extended Forecast for

Littleton IL

  • Today

    Today: Sunny, with a high near 75. Light south southeast wind increasing to 5 to 10 mph in the morning.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 54. South southeast wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Partly Cloudy
    then Showers

  • Friday

    Friday: Showers and thunderstorms likely before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. South wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. South wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 86. South southwest wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms then
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. South southeast wind 5 to 7 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 85. South wind 8 to 18 mph, with gusts as high as 26 mph.

    High: 85 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Breezy. Chance of precipitation is 60%.

    High: 88 °F

    Breezy.
    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 75. Light south southeast wind increasing to 5 to 10 mph in the morning.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 54. South southeast wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms likely before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. South wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 63. South wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 86. South southwest wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. South southeast wind 5 to 7 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Partly sunny, with a high near 85. South wind 8 to 18 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Breezy. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Breezy. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 78.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Littleton IL
 40.24°N 90.62°W (Elev. 659 ft)
Last Update:
4:36 am CDT May 14, 2026
Forecast Valid:
4am CDT May 14, 2026-6pm CDT May 20, 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