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

75°F

24°C

Humidity 91%
Wind Speed S 6 mph
Barometer 30.01 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 17 Aug 2:35 am CDT
Extended Forecast for

4 Miles SSW Littleton IL

Heat Advisory August 17, 02:54am until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 17, 02:54am until August 17, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Overnight

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Heat index values as high as 107. Calm wind.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Light southeast wind.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93. Heat index values as high as 106. South wind 3 to 6 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 73. Light south wind. Chance of precipitation is 30%.

    Low: 73 °F

    Mostly Clear
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 69. North wind around 6 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 73. Calm wind.
Sunday
Sunny, with a high near 94. Heat index values as high as 107. Calm wind.
Sunday Night
Mostly clear, with a low around 73. Light southeast wind.
Monday
Sunny, with a high near 93. Heat index values as high as 106. South wind 3 to 6 mph.
Monday Night
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 73. Light south wind. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 30%.
Tuesday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 69. North wind around 6 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Littleton IL
 40.18°N 90.65°W (Elev. 577 ft)
Last Update:
2:40 am CDT Aug 17, 2025
Forecast Valid:
2am CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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