Current conditions at
Mount Sterling, Mount Sterling Municipal Airport (KI63)
Lat: 39.99°NLon: 90.8°WElev: 732ft.
Overcast and Breezy
40°F
4°C
| Humidity | 77% |
| Wind Speed | NW 23 G 29 mph |
| Barometer | 30.08 in |
| Dewpoint | 33°F (1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 30°F (-1°C) |
| Last update | 11 Mar 4:15 pm CDT |
Extended Forecast for
2 Miles SE Plymouth IL
Tonight
Low: 28 °F
Gradual
Clearing and
Blustery then
ClearThursday

High: 52 °F
Increasing
CloudsThursday Night

Low: 41 °F
Mostly Cloudy
and BreezyFriday

High: 52 °F
Partly Sunny
and BreezyFriday Night

Low: 33 °F
Mostly Cloudy
Saturday

High: 53 °F
Mostly Cloudy
Saturday Night
Low: 45 °F
Cloudy then
Chance RainSunday

High: 57 °F
Rain and
BreezySunday Night

Low: 17 °F
Chance
Rain/Snow and
Blustery
Detailed Forecast
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 28. Blustery, with a north northwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Increasing clouds, with a high near 52. West wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 41. Breezy, with a south wind 18 to 25 mph, with gusts as high as 37 mph.
Friday
Partly sunny, with a high near 52. Breezy, with a west northwest wind 16 to 21 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 33. Northwest wind 6 to 9 mph becoming northeast after midnight. Winds could gust as high as 15 mph.
Saturday
Mostly cloudy, with a high near 53. East southeast wind 7 to 13 mph, with gusts as high as 20 mph.
Saturday Night
A 30 percent chance of rain after 1am. Cloudy, with a low around 45. East wind 11 to 17 mph, with gusts as high as 26 mph.
Sunday
Rain. High near 57. Breezy. Chance of precipitation is 90%.
Sunday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 17. Blustery. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 28. Blustery.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 27.
Wednesday
Mostly cloudy, with a high near 50.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles SE Plymouth IL
40.27°N 90.88°W (Elev. 646 ft)
40.27°N 90.88°W (Elev. 646 ft)
1:26 pm CDT Mar 11, 2026
4pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026


