Mount Sterling, Illinois Weather
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Weather Forecast for Mount Sterling, Illinois : Brown County
Issued: 11:21 pm CDT Aug 1, 2025 Latitude: 39.9872707 Longitude: -90.763463 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Mostly Cloudy on Overnight Mostly Sunny on Saturday Sunny on Sunday Mostly Sunny on Monday 20% chance of thunderstorms on Tuesday Sunny on Wednesday Sunny on Thursday Mostly Sunny on Friday
Low: 58°F High: 77°F High: 77°F High: 80°F High: 82°F High: 84°F High: 87°F High: 89°F
Low: 56°F Low: 58°F Low: 63°F Low: 65°F Low: 67°F Low: 70°F  
Mostly Cloudy Mostly Sunny Sunny Mostly Sunny Thunderstorms Sunny Sunny Mostly Sunny
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Current Conditions at
QUINCY - (KUIN)
64°
Cloudy
Mist
as of 12:54 AM CDST
Rel. Humidity: 93%
Dew Point: 63°F
Visibility: 6 Miles
Pressure: 30.33 in.
Flight Rule: VFR
Wind Data
6 MPH
040° Northeast
Cloud Level(s): Solid Overcast at 5500ft
Current Conditions at
PITTSFIELD - (KPPQ)
64°
Clear
as of 12:55 AM CDST
Rel. Humidity: 100%
Dew Point: 64°F
Visibility: 7 Miles
Pressure: 30.33 in.
Flight Rule: VFR
Wind Data
3 MPH
040° Northeast
Cloud Level(s): Clear
Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
63°
Partly Cloudy
as of 12:50 AM CDST
Rel. Humidity: 100%
Dew Point: 63°F
Visibility: 7 Miles
Pressure: 30.33 in.
Flight Rule: VFR
Wind Data
5 MPH
060° Northeast
Cloud Level(s): Scattered at 7000ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
64°
Cloudy
as of 12:55 AM CDST
Rel. Humidity: 82%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.37 in.
Flight Rule: VFR
Wind Data
7 MPH
080° East
Cloud Level(s): Broken at 5000ft, Solid Overcast at 8000ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 58. Northeast wind around 6 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 77. East wind 5 to 8 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 56. East wind 3 to 6 mph.
Sunny on Sunday Sunday... Sunny, with a high near 77. East wind 3 to 6 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 58. Light northeast wind.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 80.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 63.
20% chance of thunderstorms Tuesday Tuesday... A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 65.
Sunny on Wednesday Wednesday... Sunny, with a high near 84.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 67.
Sunny on Thursday Thursday... Sunny, with a high near 87.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 70.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 89.
Current Radar Image


Sun Almanac for Mount Sterling, Illinois
Sunrise: 06:03 AM
Sunset: 8:16 PM
Civil Sunrise:05:33 AM
Civil Sunset: 8:46 PM
Nautical Sunrise: 04:56 AM
Nautical Sunset: 9:23 PM
Astro Sunrise: 04:15 AM
Astro Sunset: 10:03 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.