Hourly Weather Forecast - Sullivan, WI

12 AM
17°F
10%
1mph
S
Cloudy
Humidity
79%
Feels like
17°F
Dew Point
11°F
1 AM
17°F
10%
2mph
S
Cloudy
Humidity
79%
Feels like
17°F
Dew Point
12°F
2 AM
17°F
10%
2mph
S
Cloudy
Humidity
79%
Feels like
17°F
Dew Point
12°F
3 AM
17°F
10%
2mph
S
Cloudy
Humidity
79%
Feels like
17°F
Dew Point
12°F
4 AM
17°F
10%
2mph
SSE
Cloudy
Humidity
79%
Feels like
17°F
Dew Point
12°F
5 AM
17°F
10%
2mph
SSE
Cloudy
Humidity
80%
Feels like
17°F
Dew Point
12°F
6 AM
18°F
10%
3mph
SSE
Cloudy
Humidity
80%
Feels like
18°F
Dew Point
13°F
7 AM
19°F
10%
3mph
SE
Mostly Cloudy
Humidity
80%
Feels like
14°F
Dew Point
14°F
7:22 AM
8 AM
20°F
10%
4mph
SE
Mostly Cloudy
Humidity
80%
Feels like
15°F
Dew Point
15°F
9 AM
22°F
10%
4mph
SSE
Mostly Cloudy
Humidity
79%
Feels like
16°F
Dew Point
16°F
10 AM
24°F
10%
5mph
SSE
Mostly Cloudy
Humidity
77%
Feels like
17°F
Dew Point
18°F
11 AM
26°F
10%
6mph
SSE
Mostly Cloudy
Humidity
74%
Feels like
19°F
Dew Point
19°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Tuesday'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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