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

77°F

25°C

Humidity 64%
Wind Speed E 5 mph
Barometer 29.86 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 30 Sep 4:35 pm CDT
Extended Forecast for

Meredosia IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. Calm wind becoming south southeast 5 to 7 mph in the evening. Winds could gust as high as 16 mph.

    Low: 71 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 4pm. High near 77. Southwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 59. North wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 59 °F

    Showers then
    Showers
    Likely

  • Friday

    Friday: Sunny, with a high near 68. North northeast wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49. North northeast wind around 6 mph becoming calm after midnight.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69. Calm wind becoming east around 5 mph.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 71. Calm wind becoming south southeast 5 to 7 mph in the evening. Winds could gust as high as 16 mph.
Thursday
Showers likely, then showers and possibly a thunderstorm after 4pm. High near 77. Southwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 59. North wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Sunny, with a high near 68. North northeast wind 9 to 11 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 49. North northeast wind around 6 mph becoming calm after midnight.
Saturday
Sunny, with a high near 69. Calm wind becoming east around 5 mph.
Saturday Night
Mostly clear, with a low around 50. Calm wind.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 67.
Monday Night
Clear, with a low around 46.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Meredosia IL
 39.82°N 90.55°W (Elev. 440 ft)
Last Update:
4:35 pm CDT Sep 30, 2026
Forecast Valid:
4pm CDT Sep 30, 2026-6pm CDT Oct 7, 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