Hourly Weather Forecast - Ontario, WI

12 AM
21°F
10%
11mph
S
Cloudy
Humidity
75%
Feels like
10°F
Dew Point
14°F
1 AM
22°F
10%
10mph
S
Cloudy
Humidity
76%
Feels like
11°F
Dew Point
15°F
2 AM
23°F
10%
10mph
S
Cloudy
Humidity
76%
Feels like
12°F
Dew Point
17°F
3 AM
24°F
10%
9mph
S
Cloudy
Humidity
77%
Feels like
14°F
Dew Point
17°F
4 AM
24°F
10%
8mph
S
Cloudy
Humidity
78%
Feels like
16°F
Dew Point
19°F
5 AM
25°F
0%
7mph
S
Cloudy
Humidity
79%
Feels like
17°F
Dew Point
20°F
6 AM
26°F
0%
6mph
SSW
Cloudy
Humidity
80%
Feels like
18°F
Dew Point
20°F
7 AM
26°F
10%
6mph
SW
Cloudy
Humidity
81%
Feels like
20°F
Dew Point
21°F
7:32 AM
8 AM
27°F
10%
6mph
WSW
Cloudy
Humidity
82%
Feels like
20°F
Dew Point
22°F
9 AM
27°F
10%
7mph
W
Cloudy
Humidity
82%
Feels like
20°F
Dew Point
22°F
10 AM
28°F
10%
8mph
WNW
Mostly Cloudy
Humidity
80%
Feels like
20°F
Dew Point
23°F
11 AM
29°F
10%
10mph
WNW
Partly Cloudy
Humidity
77%
Feels like
20°F
Dew Point
23°F
12 PM
30°F
20%
11mph
WNW
Partly Cloudy
Humidity
74%
Feels like
20°F
Dew Point
22°F
1 PM
29°F
40%
12mph
WNW
40% Chance Snow Showers
Humidity
70%
Feels like
20°F
Dew Point
21°F
2 PM
29°F
50%
12mph
WNW
50% Chance Snow Showers
Humidity
65%
Feels like
19°F
Dew Point
19°F
3 PM
28°F
40%
12mph
WNW
40% Chance Snow Showers
Humidity
62%
Feels like
17°F
Dew Point
17°F
4 PM
26°F
20%
12mph
WNW
Sunny
Humidity
63%
Feels like
15°F
Dew Point
15°F
4:27 PM
5 PM
24°F
0%
12mph
WNW
Clear
Humidity
66%
Feels like
13°F
Dew Point
14°F
6 PM
22°F
0%
12mph
WNW
Clear
Humidity
69%
Feels like
10°F
Dew Point
13°F
7 PM
20°F
0%
12mph
WNW
Clear
Humidity
69%
Feels like
8°F
Dew Point
12°F
8 PM
19°F
0%
13mph
WNW
Mostly Clear
Humidity
69%
Feels like
6°F
Dew Point
11°F
9 PM
18°F
0%
13mph
WNW
Mostly Clear
Humidity
69%
Feels like
5°F
Dew Point
9°F
10 PM
16°F
0%
12mph
WNW
Mostly Clear
Humidity
69%
Feels like
3°F
Dew Point
8°F
11 PM
15°F
0%
12mph
WNW
Clear
Humidity
68%
Feels like
1°F
Dew Point
6°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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