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Sun Prairie, WI

37°F
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Sun Prairie

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Sun Prairie, WI Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

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January 8 - February 21

Thu 1/8

49° /34°
90%
Cloudy, becoming breezy this afternoon with periods of rain
alerts

Special Weather Statement

11:05 PM Wednesday - 9:00 AM Thursday

RealFeel®40°

RealFeel Shade™40°

Max UV Index1.0 (Low)

WindSSE 10 mph

Fri 1/9

41° /30°
25%

WinterCast

2 - 4 in

Sat, 1/10, 5:00 AM - Sun, 1/11, 12:00 AM

Snow
Breezy in the morning; otherwise, mostly cloudy

RealFeel®36°

RealFeel Shade™35°

Max UV Index2.0 (Low)

WindNW 10 mph

Sat 1/10

33° /21°
94%

WinterCast

2 - 4 in

Sat, 1/10, 5:00 AM - Sun, 1/11, 12:00 AM

Snow
Periods of snow, accumulating an inch or two

RealFeel®25°

RealFeel Shade™25°

Max UV Index0.0 (Low)

WindWNW 10 mph

Sun 1/11

31° /21°
60%
Breezy with a couple of snow showers in the morning; otherwise, mostly cloudy

RealFeel®22°

RealFeel Shade™20°

Max UV Index1.0 (Low)

WindNW 12 mph

Mon 1/12

35° /28°
14%
A blend of sun and clouds; breezy in the afternoon

RealFeel®27°

RealFeel Shade™24°

Max UV Index2.0 (Low)

WindSW 13 mph

Tue 1/13

39° /24°
59%
Cloudy with rain and drizzle in the afternoon

RealFeel®34°

RealFeel Shade™34°

Max UV Index1.0 (Low)

WindWSW 8 mph

Wed 1/14

30° /14°
65%
Colder with occasional snow

RealFeel®20°

RealFeel Shade™20°

Max UV Index1.0 (Low)

WindN 10 mph

Thu 1/15

27° /17°
44%
Cloudy most of the time with a flurry in the afternoon

RealFeel®18°

RealFeel Shade™18°

Max UV Index1.0 (Low)

WindS 8 mph

Fri 1/16

31° /16°
67%
Intermittent snow

RealFeel®24°

RealFeel Shade™24°

Max UV Index1.0 (Low)

WindN 14 mph

Sat 1/17

23° /9°
0%
Mostly sunny

RealFeel®23°

RealFeel Shade™20°

Max UV Index2.0 (Low)

WindW 7 mph

Sun 1/18

16° /9°
22%
Increasing cloudiness and very cold

RealFeel®12°

RealFeel Shade™10°

Max UV Index2.0 (Low)

WindSSW 7 mph

Mon 1/19

17° /5°
23%
Partly sunny and cold

RealFeel®12°

RealFeel Shade™10°

Max UV Index2.0 (Low)

WindWNW 8 mph

Tue 1/20

12° /5°
24%
Cloudy and very cold

RealFeel®17°

RealFeel Shade™17°

Max UV Index1.0 (Low)

WindWSW 5 mph

Wed 1/21

26° /10°
25%
Cloudy

RealFeel®14°

RealFeel Shade™14°

Max UV Index1.0 (Low)

WindW 14 mph

Thu 1/22

26° /17°
20%
Partly sunny

RealFeel®21°

RealFeel Shade™17°

Max UV Index2.0 (Low)

WindSSW 8 mph

Fri 1/23

34° /4°
25%
Cloudy

RealFeel®27°

RealFeel Shade™27°

Max UV Index1.0 (Low)

WindW 12 mph

Sat 1/24

29° /2°
5%
Plenty of sun

RealFeel®23°

RealFeel Shade™20°

Max UV Index2.0 (Low)

WindNW 10 mph

Sun 1/25

16° /3°
25%
Mostly cloudy and cold

RealFeel®20°

RealFeel Shade™20°

Max UV Index1.0 (Low)

WindSW 4 mph

Mon 1/26

18° /2°
60%
Snow in the morning; cold with considerable cloudiness

RealFeel®10°

RealFeel Shade™10°

Max UV Index1.0 (Low)

WindN 7 mph

Tue 1/27

17° /2°
25%
Mostly cloudy and cold

RealFeel®10°

RealFeel Shade™10°

Max UV Index1.0 (Low)

WindSSW 8 mph

Wed 1/28

23° /18°
20%
Partly sunny

RealFeel®12°

RealFeel Shade™11°

Max UV Index2.0 (Low)

WindSSW 13 mph

Thu 1/29

33° /19°
66%
Rain and freezing rain in the afternoon; until then, periods of snow, sleet, and freezing rain in the morning

RealFeel®31°

RealFeel Shade™31°

Max UV Index1.0 (Low)

WindENE 6 mph

Fri 1/30

33° /2°
58%
Periods of snow

RealFeel®17°

RealFeel Shade™17°

Max UV Index1.0 (Low)

WindNW 17 mph

Sat 1/31

17° /0°
20%
Cold with sunshine and a few clouds

RealFeel®19°

RealFeel Shade™18°

Max UV Index2.0 (Low)

WindW 8 mph

Sun 2/1

20° /12°
25%
Mostly cloudy and cold

RealFeel®5°

RealFeel Shade™5°

Max UV Index1.0 (Low)

WindS 13 mph

Mon 2/2

34° /3°
25%
Windy and not as cold with clouds giving way to some sun

RealFeel®18°

RealFeel Shade™16°

Max UV Index3.0 (Moderate)

WindWNW 18 mph

Tue 2/3

18° /2°
25%
Rather cloudy and cold

RealFeel®19°

RealFeel Shade™19°

Max UV Index1.0 (Low)

WindS 6 mph

Wed 2/4

24° /4°
25%
Windy with intervals of clouds and sunshine

RealFeel®7°

RealFeel Shade™4°

Max UV Index3.0 (Moderate)

WindW 18 mph

Thu 2/5

18° /3°
10%
Mostly sunny and cold

RealFeel®18°

RealFeel Shade™17°

Max UV Index3.0 (Moderate)

WindNW 7 mph

Fri 2/6

18° /7°
56%
Cold with intermittent snow

RealFeel®11°

RealFeel Shade™11°

Max UV Index1.0 (Low)

WindENE 7 mph

Sat 2/7

19° /4°
56%
Cold with periods of snow

RealFeel®7°

RealFeel Shade™7°

Max UV Index1.0 (Low)

WindNNE 9 mph

Sun 2/8

18° /3°
25%
Cloudy and cold

RealFeel®5°

RealFeel Shade™5°

Max UV Index1.0 (Low)

WindNW 12 mph

Mon 2/9

17° /3°
56%
Frigid with periods of snow

RealFeel®-1°

RealFeel Shade™-1°

Max UV Index1.0 (Low)

WindWNW 16 mph

Tue 2/10

19° /6°
20%
Mostly sunny and cold

RealFeel®10°

RealFeel Shade™6°

Max UV Index3.0 (Moderate)

WindWNW 12 mph

Wed 2/11

20° /4°
20%
Partly sunny and cold

RealFeel®21°

RealFeel Shade™16°

Max UV Index3.0 (Moderate)

WindWNW 6 mph

Thu 2/12

20° /5°
25%
Mostly cloudy and cold

RealFeel®19°

RealFeel Shade™19°

Max UV Index1.0 (Low)

WindNNW 6 mph

Fri 2/13

21° /5°
25%
Decreasing clouds and cold

RealFeel®20°

RealFeel Shade™15°

Max UV Index2.0 (Low)

WindWNW 7 mph

Sat 2/14

20° /6°
25%
Cold with considerable cloudiness

RealFeel®16°

RealFeel Shade™16°

Max UV Index1.0 (Low)

WindW 8 mph

Sun 2/15

22° /12°
25%
Cold with decreasing clouds

RealFeel®11°

RealFeel Shade™8°

Max UV Index2.0 (Low)

WindSW 12 mph

Mon 2/16

30° /10°
25%
Not as cold with considerable cloudiness

RealFeel®24°

RealFeel Shade™24°

Max UV Index1.0 (Low)

WindNNW 9 mph

Tue 2/17

22° /7°
25%
Cold with sun followed by increasing clouds

RealFeel®20°

RealFeel Shade™20°

Max UV Index2.0 (Low)

WindWNW 6 mph

Wed 2/18

22° /9°
25%
Cloudy and cold

RealFeel®25°

RealFeel Shade™25°

Max UV Index1.0 (Low)

WindSSE 4 mph

Thu 2/19

26° /22°
25%
Cloudy

RealFeel®23°

RealFeel Shade™23°

Max UV Index1.0 (Low)

WindSW 7 mph

Fri 2/20

27° /4°
57%
Mostly cloudy with a little snow

RealFeel®16°

RealFeel Shade™13°

Max UV Index2.0 (Low)

WindN 13 mph

Sat 2/21

22° /5°
3%
Quite cold with clouds and sun

RealFeel®14°

RealFeel Shade™10°

Max UV Index3.0 (Moderate)

WindNNW 12 mph

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Weather Near Sun Prairie:

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