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Current conditions at

Mount Sterling, Mount Sterling Municipal Airport (KI63)

Lat: 39.99°NLon: 90.8°WElev: 732ft.

Fair

68°F

20°C

Humidity 68%
Wind Speed SE 5 mph
Barometer 29.93 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 11 Oct 8:15 pm CDT
Extended Forecast for

3 Miles E Augusta IL

  • Tonight

    Tonight: Partly cloudy, with a low around 68. South southwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 68 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Sunny, with a high near 90. Southwest wind 10 to 18 mph, with gusts as high as 25 mph.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. South southwest wind 11 to 13 mph, with gusts as high as 25 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. West southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 66. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers
    Likely then
    Showers

  • Wednesday

    Wednesday: Showers, mainly before 1pm. High near 75. North wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 60. Northeast wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 60 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 1pm, then showers likely. High near 70. Chance of precipitation is 80%.

    High: 70 °F

    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. South southwest wind around 8 mph, with gusts as high as 18 mph.
Columbus Day
Sunny, with a high near 90. Southwest wind 10 to 18 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 72. South southwest wind 11 to 13 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 88. West southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 66. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers, mainly before 1pm. High near 75. North wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 60. Northeast wind 7 to 9 mph, with gusts as high as 18 mph.
Thursday
Showers and possibly a thunderstorm before 1pm, then showers likely. High near 70. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 61. Breezy.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Sunny, with a high near 57.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Augusta IL
 40.23°N 90.91°W (Elev. 600 ft)
Last Update:
7:36 pm CDT Oct 11, 2026
Forecast Valid:
8pm CDT Oct 11, 2026-6pm CDT Oct 18, 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