Lake Petersburg, Illinois Weather
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Weather Forecast for Lake Petersburg, Illinois : Menard County
Issued: 12:42 pm CDT Jun 2, 2025 Latitude: 39.98358 Longitude: -89.86207 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
Smoke on This Afternoon Smoke on Tonight 40% chance of thunderstorms on Tuesday 80% chance of thunderstorms on Wednesday 50% chance of rain on Thursday 40% chance of rain on Friday 20% chance of rain on Saturday 20% chance of on Sunday
High: 87°F Low: 68°F High: 86°F High: 76°F High: 79°F High: 80°F High: 80°F High: 79°F
Low: 66°F Low: 61°F Low: 63°F Low: 60°F Low: 61°F  
Smoke Smoke Thunderstorms Thunderstorms Rain Rain Rain Partly Sunny
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Current Conditions at
SPRINGFIELD - (KSPI)
81°
Clear
as of 12:52 PM CDST
Rel. Humidity: 51%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
14 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
JACKSONVILLE MUNICIPAL - (KIJX)
82°
Clear
as of 1:15 PM CDST
Rel. Humidity: 51%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
9 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
82°
Clear
as of 1:15 PM CDST
Rel. Humidity: 42%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
13 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
TAYLORVILLE MUNICIPAL - (KTAZ)
81°
Clear
as of 1:22 PM CDST
Rel. Humidity: 47%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Smoke on This Afternoon This Afternoon... Patchy smoke. Mostly sunny, with a high near 87. South wind around 10 mph, with gusts as high as 17 mph.
Smoke on Tonight Tonight... Patchy smoke before 10pm. Partly cloudy, with a low around 68. South southeast wind around 10 mph, with gusts as high as 21 mph.
40% chance of thunderstorms Tuesday Tuesday... A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 86. Breezy, with a south southwest wind 13 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
70% chance of thunderstorms Tuesday Night Tuesday Night... Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Mostly cloudy, with a low around 66. South southwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
80% chance of thunderstorms Wednesday Wednesday... Showers, with thunderstorms also possible after 10am. High near 76. South southwest wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
50% chance of thunderstorms Wednesday Night Wednesday Night... A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. North wind 5 to 7 mph.
50% chance of rain Thursday Thursday... A 50 percent chance of showers. Mostly cloudy, with a high near 79. North northeast wind around 7 mph.
50% chance of thunderstorms Thursday Night Thursday Night... A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
40% chance of rain Friday Friday... A 40 percent chance of showers. Mostly sunny, with a high near 80.
30% chance of rain Friday Night Friday Night... A 30 percent chance of showers before 1am. Partly cloudy, with a low around 60.
20% chance of rain Saturday Saturday... A chance of showers. Mostly sunny, with a high near 80.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 61.
20% chance of Sunday Sunday... A chance of showers. Partly sunny, with a high near 79.
Current Radar Image


Sun Almanac for Lake Petersburg, Illinois
Sunrise: 05:32 AM
Sunset: 8:23 PM
Civil Sunrise:05:00 AM
Civil Sunset: 8:55 PM
Nautical Sunrise: 04:19 AM
Nautical Sunset: 9:36 PM
Astro Sunrise: 03:33 AM
Astro Sunset: 10:22 PM
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