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

58°F

14°C

Humidity 41%
Wind Speed N 14 G 21 mph
Barometer 30.18 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 19 Apr 5:55 pm CDT
Extended Forecast for

Rushville IL

Frost Advisory April 20, 01:00am until April 20, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. North northwest wind 5 to 15 mph becoming east northeast after midnight. Winds could gust as high as 23 mph.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 63. East wind 5 to 9 mph becoming south southeast in the afternoon.

    High: 63 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. South southeast wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Southwest wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. West southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. West southwest wind around 9 mph, with gusts as high as 16 mph.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. South wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Breezy.

    High: 81 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 58. Breezy. Chance of precipitation is 90%.

    Low: 58 °F

    Showers
    Likely and
    Breezy then
    Showers

Detailed Forecast

Tonight
Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. North northwest wind 5 to 15 mph becoming east northeast after midnight. Winds could gust as high as 23 mph.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 63. East wind 5 to 9 mph becoming south southeast in the afternoon.
Monday Night
Mostly clear, with a low around 49. South southeast wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 77. Southwest wind 10 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 58. West southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 78. West southwest wind around 9 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 59. South wind 8 to 11 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 81. Breezy.
Thursday Night
Showers and possibly a thunderstorm. Low around 58. Breezy. Chance of precipitation is 90%.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 71.
Friday Night
A chance of showers. Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rushville IL
 40.13°N 90.57°W (Elev. 673 ft)
Last Update:
5:31 pm CDT Apr 19, 2026
Forecast Valid:
6pm CDT Apr 19, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation