Hourly Weather Forecast - Round Lake, IL

12 AM
36°F
10%
2mph
E
Cloudy
Humidity
90%
Feels like
36°F
Dew Point
34°F
1 AM
36°F
10%
2mph
ESE
Cloudy
Humidity
91%
Feels like
36°F
Dew Point
34°F
2 AM
36°F
10%
2mph
SE
Cloudy
Humidity
93%
Feels like
36°F
Dew Point
34°F
3 AM
36°F
10%
2mph
SE
Cloudy
Humidity
94%
Feels like
36°F
Dew Point
34°F
4 AM
36°F
10%
2mph
SSE
Cloudy
Humidity
94%
Feels like
36°F
Dew Point
35°F
5 AM
37°F
10%
2mph
SSE
Cloudy
Humidity
95%
Feels like
37°F
Dew Point
35°F
6 AM
37°F
10%
2mph
S
Cloudy
Humidity
94%
Feels like
37°F
Dew Point
35°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

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Today's Weather Outlook

Today's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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