Petersburg, Illinois Weather
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Weather Forecast for Petersburg, Illinois : Menard County
Issued: 2:56 am CDT Jun 4, 2025 Latitude: 40.0117151 Longitude: -89.8481652 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
90% chance of thunderstorms on Today 50% chance of thunderstorms on Tonight Mostly Sunny on Thursday 60% chance of rain on Friday Mostly Sunny on Saturday 40% chance of rain on Sunday Sunny on Monday Sunny on Tuesday
High: 72°F Low: 60°F High: 78°F High: 77°F High: 78°F High: 81°F High: 79°F High: 80°F
Low: 62°F Low: 60°F Low: 58°F Low: 60°F Low: 56°F  
Thunderstorms Thunderstorms Mostly Sunny Rain Mostly Sunny Rain Sunny Sunny
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Current Conditions at
SPRINGFIELD - (KSPI)
68°
Cloudy
Light Rain
as of 4:52 AM CDST
Rel. Humidity: 93%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: IFR
Wind Data
7 MPH
220° Southwest
Cloud Level(s): Broken at 900ft, Broken at 4200ft, Solid Overcast at 12000ft
Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
66°
Cloudy
as of 5:35 AM CDST
Rel. Humidity: 100%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: LIFR
Wind Data
8 MPH
210° Southwest
Cloud Level(s): Solid Overcast at 400ft
Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
70°
Cloudy
Light Drizzle
as of 5:35 AM CDST
Rel. Humidity: 100%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: IFR
Wind Data
5 MPH
220° Southwest
Cloud Level(s): Solid Overcast at 700ft
Current Conditions at
TAYLORVILLE MUNICIPAL - (KTAZ)
68°
Cloudy
Light Drizzle
as of 5:42 AM CDST
Rel. Humidity: 93%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 900ft, Broken at 7000ft, Solid Overcast at 9000ft
90% chance of thunderstorms Today Today... Showers and possibly a thunderstorm. High near 72. South southwest wind 7 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
50% chance of thunderstorms Tonight Tonight... A 50 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 60. North northeast wind around 6 mph.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 78. Northeast wind around 7 mph.
30% chance of rain Thursday Night Thursday Night... A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 62. East wind 3 to 6 mph.
60% chance of rain Friday Friday... Showers likely, mainly after 1pm. Mostly cloudy, with a high near 77. North northeast wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 60. North wind 3 to 6 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 78. North northwest wind around 6 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 58.
40% chance of rain Sunday Sunday... A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 81.
30% chance of thunderstorms Sunday Night Sunday Night... A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60.
Sunny on Monday Monday... Sunny, with a high near 79.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 56.
Sunny on Tuesday Tuesday... Sunny, with a high near 80.
Current Radar Image


Sun Almanac for Petersburg, Illinois
Sunrise: 05:31 AM
Sunset: 8:24 PM
Civil Sunrise:04:59 AM
Civil Sunset: 8:57 PM
Nautical Sunrise: 04:18 AM
Nautical Sunset: 9:38 PM
Astro Sunrise: 03:31 AM
Astro Sunset: 10:25 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.