Mechanicsburg, Illinois Weather
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Weather Forecast for Mechanicsburg, Illinois : Sangamon County
Issued: 3:40 am CDT Sep 16, 2025 Latitude: 39.8094911 Longitude: -89.3973121 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Clear on Overnight Sunny on Tuesday Sunny on Wednesday Sunny on Thursday 30% chance of on Friday 30% chance of rain on Saturday 20% chance of on Sunday Mostly Sunny on Monday
Low: 61°F High: 91°F High: 90°F High: 92°F High: 86°F High: 83°F High: 84°F High: 84°F
Low: 60°F Low: 61°F Low: 63°F Low: 62°F Low: 63°F Low: 64°F  
Mostly Clear Sunny Sunny Sunny Partly Sunny Rain Partly Sunny Mostly Sunny
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Current Conditions at
SPRINGFIELD - (KSPI)
64°
Clear
as of 2:52 AM CDST
Rel. Humidity: 72%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
TAYLORVILLE MUNICIPAL - (KTAZ)
64°
Clear
as of 3:18 AM CDST
Rel. Humidity: 72%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
61°
Clear
as of 3:15 AM CDST
Rel. Humidity: 87%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
DECATUR - (KDEC)
63°
Clear
as of 2:54 AM CDST
Rel. Humidity: 77%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
6 MPH
040° Northeast
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 61. East northeast wind around 5 mph.
Sunny on Tuesday Tuesday... Sunny, with a high near 91. East northeast wind 3 to 7 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 60. East wind 3 to 6 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 90. Light east northeast wind.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 61. East southeast wind around 5 mph.
Sunny on Thursday Thursday... Sunny, with a high near 92. South wind 3 to 6 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 63. Southeast wind around 6 mph.
30% chance of Friday Friday... A 30 percent chance of showers after 1pm. Partly sunny, with a high near 86.
40% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
30% chance of rain Saturday Saturday... A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 83.
20% chance of rain Saturday Night Saturday Night... A chance of showers. Partly cloudy, with a low around 63.
20% chance of Sunday Sunday... A chance of showers. Partly sunny, with a high near 84.
20% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 84.
Current Radar Image


Sun Almanac for Mechanicsburg, Illinois
Sunrise: 06:40 AM
Sunset: 7:04 PM
Civil Sunrise:06:13 AM
Civil Sunset: 7:31 PM
Nautical Sunrise: 05:41 AM
Nautical Sunset: 8:03 PM
Astro Sunrise: 05:09 AM
Astro Sunset: 8:36 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.