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Next Arctic blast could be coldest one so far this winter. See the forecast. Chevron right

Sun Prairie, WI

11°F
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Sun Prairie

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Sun Prairie, WI Weather
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Winter Center
Today Hourly

Daily

 Radar MinuteCast® Monthly Air Quality Health & Activities

December 11 - January 24

Thu 12/11

22° /3°
60%
Cloudy and frigid with a stray flurry

RealFeel®1°

Cloud Cover87%

WindENE 4 mph

Wind Gusts6 mph

Fri 12/12

25° /-4°
65%
Cloudy and cold; snow flurries in the afternoon

RealFeel®17°

RealFeel Shade™17°

Max UV Index0.0 (Low)

WindW 7 mph

Sat 12/13

1° /-9°
2%
Cloudy and bitterly cold

RealFeel®-14°

RealFeel Shade™-14°

Max UV Index1.0 (Low)

WindWNW 10 mph

Sun 12/14

4° /-2°
0%
Partly sunny and bitterly cold; extreme cold can be dangerous for outdoor activities

RealFeel®-1°

RealFeel Shade™-3°

Max UV Index2.0 (Low)

WindWNW 7 mph

Mon 12/15

25° /14°
3%
Not as cold with more clouds than sun

RealFeel®19°

RealFeel Shade™19°

Max UV Index1.0 (Low)

WindSW 9 mph

Tue 12/16

34° /29°
8%
More clouds than sun

RealFeel®23°

RealFeel Shade™23°

Max UV Index1.0 (Low)

WindSSW 12 mph

Wed 12/17

35° /32°
49%
Cloudy with a shower in the area in the afternoon

RealFeel®36°

RealFeel Shade™36°

Max UV Index1.0 (Low)

WindW 6 mph

Thu 12/18

36° /11°
3%
Low clouds

RealFeel®28°

RealFeel Shade™28°

Max UV Index0.0 (Low)

WindNW 12 mph

Fri 12/19

27° /23°
64%
Colder with snow turning to sleet and freezing rain

RealFeel®12°

RealFeel Shade™12°

Max UV Index0.0 (Low)

WindS 10 mph

Sat 12/20

34° /20°
4%
Cloudy

RealFeel®29°

RealFeel Shade™29°

Max UV Index1.0 (Low)

WindNE 7 mph

Sun 12/21

31° /23°
25%
Mostly cloudy

RealFeel®26°

RealFeel Shade™26°

Max UV Index1.0 (Low)

WindSSE 8 mph

Mon 12/22

32° /24°
49%
Turning cloudy with a bit of sleet and freezing rain in the afternoon

RealFeel®35°

RealFeel Shade™34°

Max UV Index2.0 (Low)

WindNNW 7 mph

Tue 12/23

34° /25°
25%
Cloudy

RealFeel®33°

RealFeel Shade™33°

Max UV Index0.0 (Low)

WindNE 10 mph

Wed 12/24

35° /22°
20%
Increasing amounts of sunshine

RealFeel®30°

RealFeel Shade™28°

Max UV Index2.0 (Low)

WindWSW 9 mph

Thu 12/25

34° /21°
20%
Partly sunny

RealFeel®24°

RealFeel Shade™22°

Max UV Index2.0 (Low)

WindSW 15 mph

Fri 12/26

35° /21°
25%
Considerable cloudiness

RealFeel®36°

RealFeel Shade™36°

Max UV Index1.0 (Low)

WindN 5 mph

Sat 12/27

31° /22°
25%
Sun followed by increasing clouds

RealFeel®25°

RealFeel Shade™24°

Max UV Index2.0 (Low)

WindENE 9 mph

Sun 12/28

32° /22°
63%
Periods of snow

RealFeel®15°

RealFeel Shade™15°

Max UV Index0.0 (Low)

WindNE 17 mph

Mon 12/29

31° /21°
61%
Periods of snow

RealFeel®16°

RealFeel Shade™16°

Max UV Index0.0 (Low)

WindWNW 15 mph

Tue 12/30

26° /6°
25%
Mostly cloudy

RealFeel®13°

RealFeel Shade™13°

Max UV Index1.0 (Low)

WindWNW 14 mph

Wed 12/31

22° /5°
10%
Abundant sunshine, but cold

RealFeel®17°

RealFeel Shade™14°

Max UV Index2.0 (Low)

WindSW 7 mph

Thu 1/1

27° /21°
25%
Partly sunny

RealFeel®18°

RealFeel Shade™17°

Max UV Index2.0 (Low)

WindWSW 13 mph

Fri 1/2

32° /21°
58%
Mostly cloudy with a bit of snow in the afternoon

RealFeel®30°

RealFeel Shade™27°

Max UV Index2.0 (Low)

WindSW 8 mph

Sat 1/3

32° /20°
25%
Cloudy

RealFeel®31°

RealFeel Shade™31°

Max UV Index1.0 (Low)

WindWNW 7 mph

Sun 1/4

31° /5°
25%
Mostly cloudy

RealFeel®15°

RealFeel Shade™15°

Max UV Index1.0 (Low)

WindW 17 mph

Mon 1/5

23° /2°
20%
Partial sunshine

RealFeel®10°

RealFeel Shade™7°

Max UV Index2.0 (Low)

WindWNW 15 mph

Tue 1/6

14° /0°
25%
Frigid with decreasing clouds

RealFeel®5°

RealFeel Shade™2°

Max UV Index2.0 (Low)

WindNW 10 mph

Wed 1/7

13° /-1°
20%
Mostly sunny and frigid

RealFeel®14°

RealFeel Shade™10°

Max UV Index2.0 (Low)

WindWSW 6 mph

Thu 1/8

16° /3°
25%
Mostly cloudy and frigid

RealFeel®9°

RealFeel Shade™9°

Max UV Index1.0 (Low)

WindS 8 mph

Fri 1/9

21° /13°
25%
Cloudy and cold

RealFeel®24°

RealFeel Shade™24°

Max UV Index1.0 (Low)

WindE 2 mph

Sat 1/10

26° /8°
25%
Cloudy

RealFeel®16°

RealFeel Shade™16°

Max UV Index1.0 (Low)

WindNW 10 mph

Sun 1/11

21° /8°
57%
Cold with periods of snow

RealFeel®18°

RealFeel Shade™18°

Max UV Index1.0 (Low)

WindS 6 mph

Mon 1/12

28° /19°
25%
Cloudy

RealFeel®28°

RealFeel Shade™28°

Max UV Index1.0 (Low)

WindSE 5 mph

Tue 1/13

31° /10°
60%
Snow at times

RealFeel®16°

RealFeel Shade™16°

Max UV Index1.0 (Low)

WindN 14 mph

Wed 1/14

26° /1°
25%
Remaining cloudy

RealFeel®11°

RealFeel Shade™11°

Max UV Index1.0 (Low)

WindWNW 15 mph

Thu 1/15

15° /1°
20%
Partly sunny and colder

RealFeel®5°

RealFeel Shade™1°

Max UV Index2.0 (Low)

WindWSW 12 mph

Fri 1/16

21° /13°
57%
Considerable cloudiness and cold with a flurry early, then an hour or two of snow

RealFeel®7°

RealFeel Shade™7°

Max UV Index1.0 (Low)

WindW 13 mph

Sat 1/17

24° /3°
25%
Mostly cloudy

RealFeel®24°

RealFeel Shade™24°

Max UV Index1.0 (Low)

WindN 5 mph

Sun 1/18

17° /1°
25%
Cold with times of clouds and sun

RealFeel®19°

RealFeel Shade™16°

Max UV Index2.0 (Low)

WindWNW 6 mph

Mon 1/19

16° /0°
25%
Turning cloudy and cold

RealFeel®21°

RealFeel Shade™21°

Max UV Index2.0 (Low)

WindWNW 4 mph

Tue 1/20

16° /2°
55%
Periods of snow in the morning; otherwise, mostly cloudy and cold

RealFeel®19°

RealFeel Shade™13°

Max UV Index2.0 (Low)

WindWNW 6 mph

Wed 1/21

19° /-1°
25%
Turning cloudy and cold

RealFeel®4°

RealFeel Shade™4°

Max UV Index2.0 (Low)

WindWNW 14 mph

Thu 1/22

14° /-2°
56%
Very cold with plenty of clouds; on-and-off snow in the afternoon

RealFeel®20°

RealFeel Shade™20°

Max UV Index2.0 (Low)

WindNW 4 mph

Fri 1/23

23° /19°
3%
Mostly sunny

RealFeel®18°

RealFeel Shade™17°

Max UV Index2.0 (Low)

WindSSW 8 mph

Sat 1/24

32° /20°
8%
Partial sunshine

RealFeel®19°

RealFeel Shade™17°

Max UV Index2.0 (Low)

WindSSW 16 mph

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World North America United States Wisconsin Sun Prairie

Weather Near Sun Prairie:

  • Janesville, WI
  • Madison, WI
  • Rockford, IL
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