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

76°F

24°C

Humidity 93%
Wind Speed S 3 mph
Barometer 29.99 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 18 Aug 10:55 pm CDT
Extended Forecast for

5 Miles ESE Plymouth IL

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 72. South southwest wind 3 to 7 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between 7am and 10am. Partly sunny, with a high near 89. West wind 5 to 9 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. North northeast wind 3 to 6 mph.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. North northeast wind 3 to 8 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. North northeast wind around 6 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 72. South southwest wind 3 to 7 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms between 7am and 10am. Partly sunny, with a high near 89. West wind 5 to 9 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 70. North northeast wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 84. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 62. North northeast wind 3 to 8 mph.
Thursday
Sunny, with a high near 84. North northeast wind around 6 mph.
Thursday Night
Mostly clear, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 54.
Monday
Mostly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Plymouth IL
 40.27°N 90.82°W (Elev. 495 ft)
Last Update:
10:40 pm CDT Aug 18, 2025
Forecast Valid:
11pm CDT Aug 18, 2025-6pm CDT Aug 25, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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