Lake Petersburg, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Clear 15°F
Feels Like 12°F  
Humidity 84% Dew Point 11°F Wind E 2 MPH Gusts 4 Barometer 29.78 in.
Report from a personal weather station 2.1 mi. NNE of central Lake Petersburg
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Point Forecast at a Glance

WedDec 3
Wed Dec 3: Partly Cloudy, Low 3F
 
3
ThuDec 4
Thu Dec 4: Sunny, High 17F, Low -1F
17
-1
FriDec 5
Fri Dec 5: Sunny, High 32F, Low 22F
32
22
SatDec 6
Sat Dec 6: Mostly Cloudy, High 32F, Low 20F
32
20
SunDec 7
Sun Dec 7: Mostly Cloudy, High 27F, Low 6F
27
6
MonDec 8
Mon Dec 8: Mostly Sunny, High 26F, Low 16F
26
16
TueDec 9
Tue Dec 9: Partly Sunny, High 37F, Low 26F
37
26

7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 17°F to a high of 37°F by week's end. Mostly dry conditions with only one day showing snow chances.

Climate Context

This week's forecast shows temperatures running 10°F below the historical average for December. Normal highs for this period are around 40°F with lows around 23°F.

This Date in Weather History

1987 - A cold front crossing the Pacific Coast Region brought high winds and heavy rain to California. Thunderstorm winds gusted to 55 mph at Newport Beach CA, and Mount Wilson CA was drenched with 2.17 inches of rain in six hours. Gale force winds prevailed along the Northern Pacific Coast, and winds in the Tehachapis Mountains of southern California gusted to 60 mph.

More on this and other weather history

Lake Petersburg, IL 7 Day Weather Forecast Details

Wednesday Dec 3

Partly Cloudy

Night: Partly cloudy, with a low around 3. North wind 8 to 10 mph, with gusts as high as 20 mph.

Thursday Dec 4

Sunny

Day: Sunny, with a high near 17. Wind chill values between -9 and 1. North wind 5 to 7 mph becoming light and variable in the afternoon. Winds could gust as high as 15 mph.

Mostly Clear

Night: Mostly clear, with a low around -1. Wind chill values between -5 and -10. South southeast wind 3 to 6 mph.

Friday Dec 5

Sunny

Day: Sunny, with a high near 32. Wind chill values between -4 and 6. South wind 6 to 9 mph, with gusts as high as 15 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around 22. South wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 15 mph.

Saturday Dec 6

Mostly Cloudy

Day: Mostly cloudy, with a high near 32. West wind around 5 mph becoming light and variable.

Snow

Night: A 40 percent chance of snow after midnight. Cloudy, with a low around 20. Northeast wind around 6 mph.

Sunday Dec 7

Mostly Cloudy

Day: Mostly cloudy, with a high near 27.

Mostly Cloudy

Night: Mostly cloudy, with a low around 6.

Monday Dec 8

Mostly Sunny

Day: Mostly sunny, with a high near 26.

Mostly Cloudy

Night: Mostly cloudy, with a low around 16.

Tuesday Dec 9

Partly Sunny

Day: Partly sunny, with a high near 37.

Mostly Cloudy

Night: Mostly cloudy, with a low around 26.

Wednesday Dec 10

Rain

Day: A chance of rain. Mostly cloudy, with a high near 38.


About Lake Petersburg, IL

Lake Petersburg is a census-designated place in Menard County, Illinois, United States. Its population was 740 as of the 2020 census. The unincorporated community centers on a small reservoir, which is used extensively by residents for recreation.

Content from Wikipedia, licensed under CC BY-SA 3.0.

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Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.