Hazardous Weather Conditions

Current conditions at

Mount Sterling, Mount Sterling Municipal Airport (KI63)

Lat: 39.99°NLon: 90.8°WElev: 732ft.

Mostly Cloudy and Breezy

66°F

19°C

Humidity 87%
Wind Speed S 24 G 37 mph
Barometer 29.86 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 18 May 3:15 pm CDT
Extended Forecast for

3 Miles SSE Plymouth IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Cloudy, with a high near 73. South wind around 17 mph, with gusts as high as 28 mph.

    High: 73 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall.  Increasing clouds, with a low around 68. South wind around 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Mostly Cloudy
    then Heavy
    Rain

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers.  Mostly cloudy, with a high near 74. South wind 14 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50. North northwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 67. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 67 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. East northeast wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70. East wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 1am.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely.  Mostly cloudy, with a high near 69. Chance of precipitation is 70%.

    High: 69 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Cloudy, with a high near 73. South wind around 17 mph, with gusts as high as 28 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Increasing clouds, with a low around 68. South wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Mostly cloudy, with a high near 74. South wind 14 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 50. North northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday
Increasing clouds, with a high near 67. North northeast wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 46. East northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 70. East wind 9 to 13 mph, with gusts as high as 20 mph.
Thursday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 52.
Friday
Showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 55.
Saturday
Partly sunny, with a high near 78.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
Partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Plymouth IL
 40.25°N 90.88°W (Elev. 617 ft)
3:06 pm CDT May 18, 2026
3pm CDT May 18, 2026-6pm CDT May 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

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