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.

Partly Cloudy

76°F

24°C

Humidity 77%
Wind Speed SW 8 mph
Barometer 30.06 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 4 Aug 9:35 am CDT
Extended Forecast for

3 Miles SSE Astoria IL

  • Today

    Today: Mostly sunny, with a high near 88. South wind around 6 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 68. South southeast wind 3 to 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 85. South wind 3 to 5 mph.

    High: 85 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 66. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 82. Light and variable wind. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84. Calm wind.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 88. South wind around 6 mph.
Tonight
Partly cloudy, with a low around 68. South southeast wind 3 to 5 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 85. South wind 3 to 5 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 66. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 82. Light and variable wind. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 64. Calm wind.
Friday
Mostly sunny, with a high near 84. Calm wind.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 71.
Monday
Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Astoria IL
 40.19°N 90.33°W (Elev. 614 ft)
Last Update:
9:37 am CDT Aug 4, 2026
Forecast Valid:
9am CDT Aug 4, 2026-6pm CDT Aug 10, 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