National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Quincy Regional Airport-Baldwin Field (KUIN)

Lat: 39.94°NLon: 91.2°WElev: 759ft.

Mostly Cloudy

78°F

26°C

Humidity 74%
Wind Speed S 5 mph
Barometer 30.02 in (1015.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 24 Jun 1:54 pm CDT
Extended Forecast for

Mount Sterling IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 79. West wind around 8 mph.

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 64. Southwest wind around 6 mph becoming calm in the evening.

    Low: 64 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 10am. Partly sunny, with a high near 81. Light and variable wind. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 65. Northeast wind 3 to 6 mph. Chance of precipitation is 70%.

    Low: 65 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Friday

    Friday: Showers and thunderstorms likely. Mostly cloudy, with a high near 77. East wind 7 to 9 mph. Chance of precipitation is 70%.

    High: 77 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 83.

    High: 83 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

    Low: 70 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 79. West wind around 8 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 64. Southwest wind around 6 mph becoming calm in the evening.
Thursday
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 10am. Partly sunny, with a high near 81. Light and variable wind. Chance of precipitation is 20%.
Thursday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 65. Northeast wind 3 to 6 mph. Chance of precipitation is 70%.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 77. East wind 7 to 9 mph. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Saturday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 83.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Sterling IL
 39.98°N 90.74°W (Elev. 699 ft)
Last Update:
1:21 pm CDT Jun 24, 2026
Forecast Valid:
2pm CDT Jun 24, 2026-6pm CDT Jun 30, 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