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Sun Prairie, WI

73°F
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Sun Prairie, WI Weather
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April 17 - May 1

Fri 4/17

77° /38°
90%
Increasing clouds, becoming windier; a few p.m. t-storms, some severe; significant risk of damaging winds, destructive hail, tornadoes and flooding downpours
alerts

Tornado Watch

12:40 PM Friday - 8:00 PM Friday
alerts

Flood Watch

1:00 PM Friday - 7:00 AM Saturday

RealFeel®78°

RealFeel Shade™73°

Max UV Index6.0 (High)

WindS 15 mph

Sat 4/18

48° /34°
12%
Cloudy, windy and cooler; a dramatic cooldown in the wake of warm and stormy weather
alerts

Flood Watch

1:00 PM Friday - 7:00 AM Saturday

RealFeel®39°

RealFeel Shade™38°

Max UV Index3.0 (Moderate)

WindWNW 16 mph

Sun 4/19

47° /27°
55%
Mostly sunny and chilly with a shower in spots

RealFeel®47°

RealFeel Shade™38°

Max UV Index7.0 (High)

WindWNW 12 mph

Mon 4/20

55° /44°
1%
Partly sunny

RealFeel®55°

RealFeel Shade™50°

Max UV Index7.0 (High)

WindS 10 mph

Tue 4/21

69° /39°
13%
Partly sunny

RealFeel®74°

RealFeel Shade™66°

Max UV Index7.0 (High)

WindWSW 8 mph

Wed 4/22

67° /46°
8%
Nice with sunshine and a few clouds

RealFeel®70°

RealFeel Shade™64°

Max UV Index7.0 (High)

WindE 12 mph

Thu 4/23

73° /56°
19%
Mostly cloudy, breezy and warm

RealFeel®72°

RealFeel Shade™69°

Max UV Index3.0 (Moderate)

WindSE 15 mph

Fri 4/24

71° /47°
70%
Cloudy with periods of rain and a thunderstorm

RealFeel®65°

RealFeel Shade™65°

Max UV Index2.0 (Low)

WindS 13 mph

Sat 4/25

59° /40°
0%
Mostly sunny

RealFeel®62°

RealFeel Shade™56°

Max UV Index8.0 (Very High)

WindNNW 10 mph

Sun 4/26

53° /36°
1%
Sun giving way to increasing clouds

RealFeel®53°

RealFeel Shade™48°

Max UV Index8.0 (Very High)

WindE 12 mph

Mon 4/27

53° /38°
55%
Times of clouds and sun with a passing shower in the afternoon

RealFeel®67°

RealFeel Shade™56°

Max UV Index6.0 (High)

WindSSW 1 mph

Tue 4/28

59° /39°
57%
Cloudy with a bit of rain

RealFeel®57°

RealFeel Shade™55°

Max UV Index3.0 (Moderate)

WindWNW 9 mph

Wed 4/29

58° /40°
55%
Partly sunny with a shower in places

RealFeel®62°

RealFeel Shade™57°

Max UV Index7.0 (High)

WindN 7 mph

Thu 4/30

63° /42°
25%
Clouds and sunshine

RealFeel®69°

RealFeel Shade™62°

Max UV Index7.0 (High)

WindWSW 4 mph

Fri 5/1

61° /41°
59%
Periods of rain

RealFeel®58°

RealFeel Shade™58°

Max UV Index2.0 (Low)

WindWNW 12 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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