Hourly Weather Forecast - Sparta, WI

12 AM
-5°F
0%
7mph
WNW
Very Cold
Humidity
74%
Feels like
-19°F
Dew Point
-11°F
1 AM
-6°F
0%
6mph
WNW
Very Cold
Humidity
74%
Feels like
-20°F
Dew Point
-12°F
2 AM
-8°F
0%
6mph
WNW
Very Cold
Humidity
76%
Feels like
-22°F
Dew Point
-13°F
3 AM
-10°F
0%
6mph
WNW
Very Cold
Humidity
79%
Feels like
-23°F
Dew Point
-14°F
4 AM
-12°F
0%
5mph
WNW
Very Cold
Humidity
82%
Feels like
-25°F
Dew Point
-16°F
5 AM
-13°F
0%
5mph
WNW
Very Cold
Humidity
84%
Feels like
-26°F
Dew Point
-17°F
6 AM
-14°F
0%
4mph
WNW
Very Cold
Humidity
85%
Feels like
-25°F
Dew Point
-17°F
7 AM
-13°F
0%
4mph
WNW
Very Cold
Humidity
83%
Feels like
-24°F
Dew Point
-16°F
7:29 AM
8 AM
-10°F
0%
4mph
WNW
Very Cold
Humidity
78%
Feels like
-20°F
Dew Point
-15°F
9 AM
-7°F
0%
4mph
WNW
Very Cold
Humidity
72%
Feels like
-16°F
Dew Point
-14°F
10 AM
-3°F
0%
4mph
WNW
Very Cold
Humidity
68%
Feels like
-13°F
Dew Point
-11°F
11 AM
-1°F
0%
4mph
WNW
Very Cold
Humidity
65%
Feels like
-10°F
Dew Point
-10°F
12 PM
1°F
0%
4mph
WNW
Cloudy
Humidity
63%
Feels like
-7°F
Dew Point
-8°F
1 PM
3°F
0%
3mph
WNW
Cloudy
Humidity
62%
Feels like
-4°F
Dew Point
-7°F
2 PM
4°F
0%
3mph
WNW
Cloudy
Humidity
62%
Feels like
4°F
Dew Point
-6°F
3 PM
2°F
0%
2mph
W
Mostly Cloudy
Humidity
66%
Feels like
2°F
Dew Point
-6°F
4 PM
-1°F
0%
2mph
W
Very Cold
Humidity
75%
Feels like
-1°F
Dew Point
-7°F
4:25 PM
5 PM
-4°F
0%
1mph
SW
Very Cold
Humidity
87%
Feels like
-4°F
Dew Point
-7°F
6 PM
-6°F
0%
1mph
SSW
Very Cold
Humidity
95%
Feels like
-6°F
Dew Point
-8°F
7 PM
-7°F
10%
1mph
S
Very Cold
Humidity
95%
Feels like
-7°F
Dew Point
-8°F
8 PM
-5°F
10%
1mph
S
Very Cold
Humidity
89%
Feels like
-5°F
Dew Point
-7°F
9 PM
-3°F
10%
2mph
S
Very Cold
Humidity
84%
Feels like
-3°F
Dew Point
-7°F
10 PM
-1°F
10%
2mph
S
Very Cold
Humidity
79%
Feels like
-1°F
Dew Point
-6°F
11 PM
1°F
10%
3mph
S
Mostly Cloudy
Humidity
76%
Feels like
1°F
Dew Point
-5°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide