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

73°F

23°C

Humidity 54%
Wind Speed SE 9 mph
Barometer 29.85 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 15 May 12:55 pm CDT
Extended Forecast for

3 Miles SSE Astoria IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. South wind around 11 mph, with gusts as high as 21 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 63. South wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Partly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms after 9am. Cloudy, then gradually becoming mostly sunny, with a high near 82. South southwest wind 7 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. South southeast wind around 7 mph, with gusts as high as 17 mph.

    Low: 63 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 89. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 89 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. South wind 14 to 17 mph, with gusts as high as 28 mph.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 88. Breezy, with a south wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Breezy.
    Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Breezy. Chance of precipitation is 70%.

    High: 85 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 80. South wind around 11 mph, with gusts as high as 21 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 63. South wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms after 9am. Cloudy, then gradually becoming mostly sunny, with a high near 82. South southwest wind 7 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. South southeast wind around 7 mph, with gusts as high as 17 mph.
Sunday
Sunny, with a high near 89. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
Mostly clear, with a low around 68. South wind 14 to 17 mph, with gusts as high as 28 mph.
Monday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 88. Breezy, with a south wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Breezy. Chance of precipitation is 70%.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Astoria IL
 40.19°N 90.33°W (Elev. 614 ft)
Last Update:
12:16 pm CDT May 15, 2026
Forecast Valid:
1pm CDT May 15, 2026-6pm CDT May 21, 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