Hourly Weather Forecast - Dennison, IL

12 AM
46°F
30%
9mph
SW
30% Chance of Light Rain
Humidity
95%
Feels like
41°F
Dew Point
45°F
1 AM
46°F
20%
9mph
SW
Cloudy
Humidity
96%
Feels like
42°F
Dew Point
45°F
2 AM
46°F
10%
9mph
SW
Cloudy
Humidity
98%
Feels like
42°F
Dew Point
46°F
3 AM
46°F
10%
9mph
SW
Mostly Cloudy
Humidity
98%
Feels like
41°F
Dew Point
45°F
4 AM
46°F
10%
9mph
SW
Cloudy
Humidity
98%
Feels like
41°F
Dew Point
45°F
5 AM
45°F
10%
9mph
SW
Foggy
Humidity
100%
Feels like
41°F
Dew Point
45°F
6 AM
46°F
10%
8mph
SW
Cloudy
Humidity
97%
Feels like
41°F
Dew Point
45°F
7 AM
47°F
20%
8mph
SW
Cloudy
Humidity
97%
Feels like
43°F
Dew Point
46°F
7:07 AM
8 AM
49°F
20%
8mph
WSW
Cloudy
Humidity
94%
Feels like
45°F
Dew Point
47°F
9 AM
51°F
20%
8mph
WSW
Cloudy
Humidity
89%
Feels like
51°F
Dew Point
47°F
10 AM
52°F
20%
8mph
WSW
Cloudy
Humidity
88%
Feels like
52°F
Dew Point
48°F
11 AM
53°F
20%
8mph
W
Cloudy
Humidity
87%
Feels like
53°F
Dew Point
49°F
12 PM
54°F
10%
8mph
W
Cloudy
Humidity
86%
Feels like
54°F
Dew Point
50°F
1 PM
54°F
10%
8mph
WNW
Cloudy
Humidity
85%
Feels like
54°F
Dew Point
50°F
2 PM
54°F
0%
6mph
WNW
Cloudy
Humidity
86%
Feels like
54°F
Dew Point
50°F
3 PM
52°F
0%
6mph
NW
Cloudy
Humidity
86%
Feels like
52°F
Dew Point
48°F
4 PM
49°F
0%
5mph
NW
Cloudy
Humidity
89%
Feels like
47°F
Dew Point
46°F
4:31 PM
5 PM
47°F
0%
4mph
NNW
Cloudy
Humidity
93%
Feels like
45°F
Dew Point
45°F
6 PM
45°F
0%
4mph
N
Cloudy
Humidity
94%
Feels like
43°F
Dew Point
43°F
7 PM
44°F
0%
4mph
N
Mostly Cloudy
Humidity
97%
Feels like
42°F
Dew Point
44°F
8 PM
43°F
0%
4mph
N
Foggy
Humidity
100%
Feels like
42°F
Dew Point
43°F
9 PM
42°F
0%
4mph
NNE
Mostly Cloudy
Humidity
97%
Feels like
41°F
Dew Point
42°F
10 PM
41°F
0%
4mph
NNE
Mostly Cloudy
Humidity
97%
Feels like
39°F
Dew Point
41°F
11 PM
40°F
0%
4mph
NE
Mostly Cloudy
Humidity
96%
Feels like
38°F
Dew Point
39°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

Sunday's Weather Outlook

Sunday'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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