Hazardous Weather Conditions

Current conditions at

Mount Sterling, Mount Sterling Municipal Airport (KI63)

Lat: 39.99°NLon: 90.8°WElev: 732ft.

Fair

74°F

23°C

Humidity 88%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 21 Aug 9:15 pm CDT
Extended Forecast for

5 Miles ESE Plymouth IL

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm.  Mostly clear, with a low around 65. Light and variable wind becoming north northwest around 5 mph after midnight.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    T-storms
    Likely then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Light northwest wind becoming north northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. North northwest wind 3 to 7 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 78 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. Light east southeast wind.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 11pm. Mostly clear, with a low around 65. Light and variable wind becoming north northwest around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 83. Light northwest wind becoming north northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 59. North northwest wind 3 to 7 mph.
Sunday
Sunny, with a high near 79. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 60. Calm wind.
Monday
Partly sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 62. Light east southeast wind.
Tuesday
Partly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Plymouth IL
 40.27°N 90.82°W (Elev. 495 ft)
7:36 pm CDT Aug 21, 2026
9pm CDT Aug 21, 2026-6pm CDT Aug 28, 2026
 
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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