Current conditions at

Mount Sterling, Mount Sterling Municipal Airport (KI63)

Lat: 39.99°NLon: 90.8°WElev: 732ft.

Partly Cloudy

80°F

27°C

Humidity 56%
Wind Speed NW 8 mph
Barometer 30.10 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Aug 2:35 pm CDT
Extended Forecast for

3 Miles E Augusta IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 81. North northwest wind around 8 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers between noon and 1pm.  Increasing clouds, with a high near 82. South southwest wind 3 to 6 mph.  Chance of precipitation is 20%.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers after 4am.  Mostly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 79. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. Light northeast wind.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Calm wind becoming east around 5 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 81. North northwest wind around 8 mph.
Tonight
Mostly clear, with a low around 62. Calm wind.
Tuesday
A slight chance of showers between noon and 1pm. Increasing clouds, with a high near 82. South southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Partly sunny, with a high near 79. Calm wind becoming northeast around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 62. Light northeast wind.
Thursday
Mostly sunny, with a high near 80. Calm wind becoming east around 5 mph.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 80.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Augusta IL
 40.23°N 90.91°W (Elev. 600 ft)
1:46 pm CDT Aug 17, 2026
3pm CDT Aug 17, 2026-6pm CDT Aug 23, 2026
 
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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