Hourly Weather Forecast - Hartland, WI

4 AM
25°F
0%
9mph
S
Mostly Cloudy
Humidity
72%
Feels like
16°F
Dew Point
17°F
5 AM
27°F
0%
9mph
S
Cloudy
Humidity
73%
Feels like
18°F
Dew Point
19°F
6 AM
28°F
0%
9mph
SSW
Mostly Cloudy
Humidity
70%
Feels like
19°F
Dew Point
19°F
7 AM
29°F
10%
9mph
SSW
Mostly Cloudy
Humidity
71%
Feels like
21°F
Dew Point
21°F
7:21 AM
8 AM
31°F
10%
9mph
SW
Cloudy
Humidity
71%
Feels like
23°F
Dew Point
23°F
9 AM
33°F
10%
9mph
WSW
Cloudy
Humidity
71%
Feels like
25°F
Dew Point
24°F
10 AM
34°F
10%
9mph
WSW
Cloudy
Humidity
71%
Feels like
27°F
Dew Point
25°F
11 AM
35°F
20%
9mph
W
Cloudy
Humidity
70%
Feels like
28°F
Dew Point
26°F
12 PM
35°F
10%
8mph
W
Partly Cloudy
Humidity
67%
Feels like
28°F
Dew Point
25°F
1 PM
35°F
0%
9mph
W
Partly Cloudy
Humidity
63%
Feels like
28°F
Dew Point
23°F
2 PM
34°F
0%
9mph
W
Sunny
Humidity
58%
Feels like
26°F
Dew Point
20°F
3 PM
32°F
0%
9mph
W
Sunny
Humidity
56%
Feels like
24°F
Dew Point
18°F
4 PM
31°F
0%
10mph
W
Sunny
Humidity
55%
Feels like
22°F
Dew Point
17°F
4:20 PM
5 PM
28°F
0%
11mph
W
Clear
Humidity
56%
Feels like
18°F
Dew Point
14°F
6 PM
26°F
0%
12mph
W
Clear
Humidity
59%
Feels like
15°F
Dew Point
13°F
7 PM
24°F
0%
12mph
WNW
Clear
Humidity
63%
Feels like
12°F
Dew Point
13°F
8 PM
22°F
0%
13mph
WNW
Clear
Humidity
64%
Feels like
10°F
Dew Point
12°F
9 PM
20°F
0%
13mph
WNW
Clear
Humidity
65%
Feels like
8°F
Dew Point
11°F
10 PM
18°F
0%
13mph
WNW
Clear
Humidity
66%
Feels like
5°F
Dew Point
9°F
11 PM
16°F
0%
12mph
WNW
Clear
Humidity
67%
Feels like
2°F
Dew Point
7°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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