Shawnee, IL Weather Forecast and Current Conditions

Current Conditions

Clear 42°F
Feels Like 41°F  
Humidity 50% Dew Point 24°F Wind SSW 3 MPH Barometer 30.08 in.
Visibility 10 mi.
Report from a NOAA weather station 20.9 mi. WNW of central Shawnee
at

Point Forecast at a Glance

WedDec 17
Wed Dec 17: Mostly Cloudy, High 57F, Low 49F
57
49
ThuDec 18
Thu Dec 18: Thunderstorms, High 57F, Low 24F
90%
57
24
FriDec 19
Fri Dec 19: Sunny, High 39F, Low 29F
39
29
SatDec 20
Sat Dec 20: Mostly Sunny, High 54F, Low 32F
54
32
SunDec 21
Sun Dec 21: Showers, High 49F, Low 31F
50%
49
31
MonDec 22
Mon Dec 22: Partly Sunny, High 48F, Low 40F
48
40
TueDec 23
Tue Dec 23: Mostly Cloudy, High 57F
57
 

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7-Day Temperature Trend

Week Ahead Summary

Significant warming trend with high temperatures climbing from 57°F to 57°F, reaching a high of 57°F. Unsettled weather expected with rain likely on at least 5 days.

Climate Context

This week's forecast shows temperatures running 6°F above the historical average for December. Normal highs for this period are around 46°F with lows around 28°F.

This Date in Weather History

1884 - A three week blockade of snow began at Portland, OR. A record December total of 34 inches was received.

More on this and other weather history

Shawnee, IL 7 Day Weather Forecast Details

Wednesday Dec 17

Mostly Cloudy

Day: Mostly cloudy through mid morning, then gradual clearing, with a high near 57. Southwest wind 6 to 9 mph.

Showers

Night: A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a steady temperature around 49. South wind 6 to 13 mph, with gusts as high as 26 mph.

Thursday Dec 18

Thunderstorms

Day: Showers likely, then showers and possibly a thunderstorm after 9am. High near 57. Breezy, with a south wind 14 to 20 mph becoming west in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 90%.

Snow

Night: A slight chance of rain showers, mixing with snow after 9pm, then gradually ending. Mostly clear, with a low around 24. West northwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Friday Dec 19

Sunny

Day: Sunny, with a high near 39. West northwest wind 6 to 8 mph becoming south southwest in the afternoon.

Partly Cloudy

Night: Partly cloudy, with a low around 29. South wind 5 to 11 mph, with gusts as high as 21 mph.

Saturday Dec 20

Mostly Sunny

Day: Mostly sunny, with a high near 54. South wind 10 to 16 mph, with gusts as high as 25 mph.

Showers

Night: A slight chance of showers before midnight. Mostly cloudy, with a low around 32. Southwest wind 6 to 9 mph becoming north after midnight.

Sunday Dec 21

Showers

Day: A slight chance of showers before noon. Partly sunny, with a high near 49. North wind around 7 mph.

Showers

Night: A slight chance of showers before midnight. Mostly cloudy, with a low around 31. Northeast wind 3 to 6 mph.

Monday Dec 22

Partly Sunny

Day: Partly sunny, with a high near 48. East southeast wind 5 to 7 mph.

Showers

Night: A slight chance of showers. Mostly cloudy, with a low around 40. East southeast wind around 6 mph becoming south southwest after midnight.

Tuesday Dec 23

Mostly Cloudy

Day: Mostly cloudy, with a high near 57. Southwest wind 6 to 9 mph.

How We Provide Better Local Weather

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.