Harristown, Illinois Weather
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Weather Forecast for Harristown, Illinois : Macon County
Issued: 10:40 am CDT Sep 16, 2025 Latitude: 39.8539279 Longitude: -89.0839704 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on Today Mostly Clear on Tonight Sunny on Wednesday Sunny on Thursday Partly Sunny on Friday 30% chance of rain on Saturday 20% chance of on Sunday Mostly Sunny on Monday
High: 92°F Low: 59°F High: 90°F High: 92°F High: 88°F High: 83°F High: 84°F High: 85°F
Low: 61°F Low: 63°F Low: 62°F Low: 63°F Low: 64°F  
Sunny Mostly Clear Sunny Sunny Partly Sunny Rain Partly Sunny Mostly Sunny
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Current Conditions at
DECATUR - (KDEC)
84°
Clear
as of 10:54 AM CDST
Rel. Humidity: 42%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
3 MPH
040° Northeast
Cloud Level(s): Clear
Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
82°
Clear
as of 10:55 AM CDST
Rel. Humidity: 48%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
TAYLORVILLE MUNICIPAL - (KTAZ)
84°
Clear
as of 10:59 AM CDST
Rel. Humidity: 45%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
BLOOMINGTON - (KBMI)
82°
Clear
as of 10:56 AM CDST
Rel. Humidity: 42%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
7 MPH
090° East
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 92. Northeast wind around 7 mph.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 59. East northeast wind 5 to 7 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 90. Northeast wind 3 to 6 mph.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 61. East southeast wind around 6 mph.
Sunny on Thursday Thursday... Sunny, with a high near 92. South southeast wind around 6 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 63. East southeast wind around 6 mph.
Partly Sunny on Friday Friday... Partly sunny, with a high near 88. Southeast wind 5 to 8 mph.
40% chance of rain Friday Night Friday Night... A 40 percent chance of showers. Mostly cloudy, with a low around 62.
30% chance of rain Saturday Saturday... A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 83.
30% chance of rain Saturday Night Saturday Night... A 30 percent chance of showers before 1am. 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 85.
Current Radar Image


Sun Almanac for Harristown, Illinois
Sunrise: 06:39 AM
Sunset: 7:03 PM
Civil Sunrise:06:12 AM
Civil Sunset: 7:30 PM
Nautical Sunrise: 05:40 AM
Nautical Sunset: 8:02 PM
Astro Sunrise: 05:07 AM
Astro Sunset: 8:35 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.