National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mount Sterling, Mount Sterling Municipal Airport (KI63)

Lat: 39.99°NLon: 90.8°WElev: 732ft.

Fair

88°F

31°C

Humidity 67%
Wind Speed SW 9 mph
Barometer 29.74 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 27 Jul 7:55 pm CDT
Extended Forecast for

Meredosia IL

Extreme Heat Warning July 27, 08:20pm until July 27, 09:00pm
Click here for hazard details and duration
...
  •  
    Extreme Heat Warning July 27, 08:20pm until July 27, 09:00pm

    NOW until 9:00pm Mon

    Extreme Heat Warning

  • Tonight

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 88. North northeast wind 5 to 8 mph.

    High: 88 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 66. East northeast wind 3 to 5 mph.

    Low: 66 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Light east northeast wind.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 65. Calm wind.

    Low: 65 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Light south southeast wind.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68. Light southeast wind.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 76. Southwest wind around 6 mph becoming light and variable. Winds could gust as high as 15 mph.
Tuesday
Partly sunny, with a high near 88. North northeast wind 5 to 8 mph.
Tuesday Night
A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 66. East northeast wind 3 to 5 mph.
Wednesday
Sunny, with a high near 86. Light east northeast wind.
Wednesday Night
Clear, with a low around 65. Calm wind.
Thursday
Sunny, with a high near 87. Light south southeast wind.
Thursday Night
Partly cloudy, with a low around 68. Light southeast wind.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 84.
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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:
8:01 pm CDT Jul 27, 2026
Forecast Valid:
8pm CDT Jul 27, 2026-6pm CDT Aug 3, 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