Royal Lake, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Cloudy 22°F
Feels Like 22°F  
Humidity 89% Dew Point 20°F Wind Calm Barometer 29.84 in.
Report from a personal weather station 11.4 mi. NNE of central Royal Lake
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Point Forecast at a Glance

SunNov 30
Sun Nov 30: Cloudy, Low 17F
 
17
MonDec 1
Mon Dec 1: Snow, High 29F, Low 17F
70%
29
17
TueDec 2
Tue Dec 2: Partly Sunny, High 28F, Low 17F
28
17
WedDec 3
Wed Dec 3: Partly Sunny, High 36F, Low 10F
36
10
ThuDec 4
Thu Dec 4: Mostly Sunny, High 18F, Low 7F
18
7
FriDec 5
Fri Dec 5: Snow, High 30F, Low 22F
40%
30
22
SatDec 6
Sat Dec 6: Mostly Cloudy, High 33F, Low 23F
33
23

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures with a significant drop to 18°F mid-week, recovering to 33°F. Some snow possible with at least 2 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 13°F below the historical average for December. Normal highs for this period are around 43°F with lows around 26°F.

This Date in Weather History

1957 - Lee slope winds enhanced by Hurricane Nina gusted to 82 mph at Honolulu, Hawaii, a record wind gust for that location. Wainiha, on the island of Kauai, was deluged with 20.42 inches of rain, and 35 foot waves pounded some Kauai beaches, even though the eye of the hurricane was never within 120 miles of the islands.

More on this and other weather history

Royal Lake, IL 7 Day Weather Forecast Details

Sunday Nov 30

Cloudy

Night: Cloudy, with a low around 17. Northwest wind around 5 mph becoming calm in the evening.

Monday Dec 1

Snow

Day: Snow likely, mainly after 5pm. Cloudy, with a high near 29. East wind 3 to 6 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Snow

Night: Snow, mainly before midnight. Low around 17. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Tuesday Dec 2

Partly Sunny

Day: Partly sunny, with a high near 28. Northwest wind around 6 mph becoming light and variable in the afternoon.

Partly Cloudy

Night: Partly cloudy, with a low around 17. South wind 3 to 7 mph.

Wednesday Dec 3

Partly Sunny

Day: Partly sunny, with a high near 36.

Mostly Cloudy

Night: Mostly cloudy, with a low around 10.

Thursday Dec 4

Mostly Sunny

Day: Mostly sunny and cold, with a high near 18.

Mostly Cloudy

Night: Mostly cloudy, with a low around 7.

Friday Dec 5

Snow

Day: A 40 percent chance of snow. Mostly cloudy, with a high near 30.

Snow

Night: A 20 percent chance of snow. Mostly cloudy, with a low around 22.

Saturday Dec 6

Mostly Cloudy

Day: Mostly cloudy, with a high near 33.

Mostly Cloudy

Night: Mostly cloudy, with a low around 23.

Sunday Dec 7

Mostly Cloudy

Day: Mostly cloudy, with a high near 33.

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.