Hourly Weather Forecast - Grafton, IL

12 AM
61°F
0%
10mph
SW
Partly Cloudy
Humidity
89%
Feels like
61°F
Dew Point
58°F
1 AM
61°F
0%
10mph
SW
Partly Cloudy
Humidity
91%
Feels like
61°F
Dew Point
58°F
2 AM
60°F
0%
9mph
SW
Partly Cloudy
Humidity
93%
Feels like
60°F
Dew Point
58°F
3 AM
60°F
0%
9mph
SW
Partly Cloudy
Humidity
95%
Feels like
60°F
Dew Point
58°F
4 AM
59°F
10%
9mph
SSW
Partly Cloudy
Humidity
94%
Feels like
59°F
Dew Point
57°F
5 AM
58°F
10%
9mph
SSW
Partly Cloudy
Humidity
94%
Feels like
58°F
Dew Point
56°F
6 AM
58°F
10%
9mph
SSW
Partly Cloudy
Humidity
94%
Feels like
58°F
Dew Point
56°F
7 AM
58°F
10%
9mph
SSW
Partly Cloudy
Humidity
93%
Feels like
58°F
Dew Point
56°F
7:18 AM
8 AM
60°F
0%
9mph
SSW
Partly Cloudy
Humidity
89%
Feels like
60°F
Dew Point
57°F
9 AM
62°F
0%
10mph
SSW
Partly Cloudy
Humidity
83%
Feels like
62°F
Dew Point
57°F
10 AM
65°F
0%
11mph
SSW
Partly Cloudy
Humidity
76%
Feels like
65°F
Dew Point
57°F
11 AM
68°F
0%
12mph
SW
Partly Cloudy
Humidity
70%
Feels like
68°F
Dew Point
58°F
12 PM
70°F
0%
13mph
SW
Partly Cloudy
Humidity
66%
Feels like
70°F
Dew Point
58°F
1 PM
72°F
0%
13mph
SW
Partly Cloudy
Humidity
62%
Feels like
72°F
Dew Point
58°F
2 PM
73°F
0%
13mph
SW
Partly Cloudy
Humidity
61%
Feels like
73°F
Dew Point
58°F
3 PM
71°F
0%
12mph
SW
Partly Cloudy
Humidity
65%
Feels like
71°F
Dew Point
59°F
4 PM
69°F
0%
11mph
SW
Partly Cloudy
Humidity
70%
Feels like
69°F
Dew Point
59°F
4:45 PM
5 PM
65°F
0%
10mph
SSW
Partly Cloudy
Humidity
78%
Feels like
65°F
Dew Point
58°F
6 PM
63°F
10%
9mph
SSW
Partly Cloudy
Humidity
80%
Feels like
63°F
Dew Point
57°F
7 PM
62°F
10%
9mph
SSW
Mostly Clear
Humidity
83%
Feels like
62°F
Dew Point
57°F
8 PM
61°F
10%
10mph
SW
Mostly Clear
Humidity
83%
Feels like
61°F
Dew Point
56°F
9 PM
61°F
10%
10mph
SW
Mostly Clear
Humidity
84%
Feels like
61°F
Dew Point
56°F
10 PM
60°F
0%
10mph
SW
Mostly Clear
Humidity
83%
Feels like
60°F
Dew Point
55°F
11 PM
61°F
0%
9mph
SW
Partly Cloudy
Humidity
82%
Feels like
61°F
Dew Point
55°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

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

NOAA, NCDC

White Christmas? What Are The Odds

Weekend Weather Outlook

Weekend 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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