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

55°F

13°C

Humidity 54%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 13 May 9:35 pm CDT
Extended Forecast for

Meredosia IL

  • Tonight

    Tonight: Clear, with a low around 44. North wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 74. Calm wind becoming south southeast 5 to 8 mph in the morning.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 54. South southeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 81. South wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. South wind 5 to 8 mph, with gusts as high as 18 mph.

    Low: 62 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 84. South southwest wind 3 to 8 mph. Winds could gust as high as 16 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62. South wind around 6 mph becoming east in the evening. Winds could gust as high as 15 mph.

    Low: 62 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 44. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 74. Calm wind becoming south southeast 5 to 8 mph in the morning.
Thursday Night
Showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 54. South southeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 81. South wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. South wind 5 to 8 mph, with gusts as high as 18 mph.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 84. South southwest wind 3 to 8 mph. Winds could gust as high as 16 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62. South wind around 6 mph becoming east in the evening. Winds could gust as high as 15 mph.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 68.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Breezy.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65.
Tuesday
Showers likely. Mostly cloudy, with a high near 79.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Meredosia IL
 39.82°N 90.55°W (Elev. 440 ft)
Last Update:
9:36 pm CDT May 13, 2026
Forecast Valid:
9pm CDT May 13, 2026-6pm CDT May 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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