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Explosive storm to impact 200 million, to evolve into blizzard in Midwest. Get the forecast. Chevron right
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Sun Prairie, WI

40°F
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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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High Wind Warning

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March 13 - April 11

Fri 3/13

41° /28°
17%
Very windy; rather cloudy
alerts

High Wind Warning

4:00 AM Friday - 4:00 PM Friday

RealFeel®26°

RealFeel Shade™25°

Max UV Index2.0 (Low)

WindWNW 25 mph

Sat 3/14

40° /30°
41%

WinterCast

6 - 10 in

Sat, 3/14, 9:00 PM - Mon, 3/16, 6:00 PM

Snow

0.15 - 0.25 in

Sat, 3/14, 10:00 PM - Sun, 3/15, 7:00 PM

Ice
Cloudy with a flurry in the afternoon
alerts

Winter Storm Watch

7:00 PM Saturday - 4:00 PM Monday

RealFeel®34°

RealFeel Shade™34°

Max UV Index1.0 (Low)

WindSE 9 mph

Sun 3/15

35° /12°
96%

WinterCast

6 - 10 in

Sat, 3/14, 9:00 PM - Mon, 3/16, 6:00 PM

Snow

0.15 - 0.25 in

Sat, 3/14, 10:00 PM - Sun, 3/15, 7:00 PM

Ice
Winds becoming strong with snow, sleet, and freezing rain, accumulating 1-3 inches; chilly; slippery conditions will lead to travel disruptions
alerts

Winter Storm Watch

7:00 PM Saturday - 4:00 PM Monday

RealFeel®18°

RealFeel Shade™18°

Max UV Index1.0 (Low)

WindNE 23 mph

Mon 3/16

17° /4°
55%

WinterCast

6 - 10 in

Sat, 3/14, 9:00 PM - Mon, 3/16, 6:00 PM

Snow
Very windy; continued cloudy and frigid with a bit of snow; storm total 6-10"; blowing snow can lead to lower visibility and difficult travel
alerts

Winter Storm Watch

7:00 PM Saturday - 4:00 PM Monday

RealFeel®-5°

RealFeel Shade™-5°

Max UV Index1.0 (Low)

WindNW 23 mph

Tue 3/17

31° /24°
5%
Partly sunny and cold

RealFeel®31°

RealFeel Shade™26°

Max UV Index4.0 (Moderate)

WindW 8 mph

Wed 3/18

38° /28°
11%
Partly sunny and chilly

RealFeel®37°

RealFeel Shade™33°

Max UV Index5.0 (Moderate)

WindSSW 9 mph

Thu 3/19

48° /32°
3%
Not as cold with sun through high clouds

RealFeel®45°

RealFeel Shade™45°

Max UV Index2.0 (Low)

WindWSW 10 mph

Fri 3/20

54° /31°
3%
Mostly cloudy

RealFeel®52°

RealFeel Shade™50°

Max UV Index2.0 (Low)

WindW 8 mph

Sat 3/21

49° /34°
0%
After a cloudy start, sunshine returns

RealFeel®46°

RealFeel Shade™44°

Max UV Index4.0 (Moderate)

WindNW 12 mph

Sun 3/22

52° /35°
2%
Mostly sunny

RealFeel®53°

RealFeel Shade™48°

Max UV Index5.0 (Moderate)

WindESE 8 mph

Mon 3/23

51° /32°
56%
Periods of clouds and sunshine with a thunderstorm in the afternoon

RealFeel®46°

RealFeel Shade™44°

Max UV Index4.0 (Moderate)

WindS 14 mph

Tue 3/24

48° /35°
0%
Mostly cloudy

RealFeel®57°

RealFeel Shade™47°

Max UV Index5.0 (Moderate)

WindS 4 mph

Wed 3/25

47° /26°
20%
Mostly sunny

RealFeel®46°

RealFeel Shade™40°

Max UV Index5.0 (Moderate)

WindSSW 10 mph

Thu 3/26

52° /34°
25%
Intervals of clouds and sunshine

RealFeel®52°

RealFeel Shade™52°

Max UV Index3.0 (Moderate)

WindW 9 mph

Fri 3/27

53° /35°
60%
Periods of rain

RealFeel®46°

RealFeel Shade™46°

Max UV Index1.0 (Low)

WindESE 12 mph

Sat 3/28

53° /34°
25%
Mostly cloudy

RealFeel®48°

RealFeel Shade™46°

Max UV Index1.0 (Low)

WindNW 13 mph

Sun 3/29

55° /35°
25%
Mostly cloudy

RealFeel®56°

RealFeel Shade™56°

Max UV Index2.0 (Low)

WindNE 6 mph

Mon 3/30

54° /35°
25%
Cloudy

RealFeel®57°

RealFeel Shade™57°

Max UV Index2.0 (Low)

WindE 5 mph

Tue 3/31

56° /34°
25%
Cloudy

RealFeel®52°

RealFeel Shade™52°

Max UV Index1.0 (Low)

WindENE 10 mph

Wed 4/1

50° /34°
56%
Cloudy and cooler; a little morning rain followed by a couple of showers in the afternoon

RealFeel®43°

RealFeel Shade™43°

Max UV Index1.0 (Low)

WindENE 13 mph

Thu 4/2

44° /33°
25%
Remaining cloudy

RealFeel®39°

RealFeel Shade™37°

Max UV Index1.0 (Low)

WindNNE 10 mph

Fri 4/3

51° /29°
20%
Mostly sunny

RealFeel®53°

RealFeel Shade™47°

Max UV Index6.0 (High)

WindNE 8 mph

Sat 4/4

44° /29°
25%
After a cloudy start, sunshine returns

RealFeel®52°

RealFeel Shade™43°

Max UV Index6.0 (High)

WindE 6 mph

Sun 4/5

48° /33°
25%
Intervals of clouds and sunshine

RealFeel®44°

RealFeel Shade™39°

Max UV Index6.0 (High)

WindSSE 12 mph

Mon 4/6

57° /38°
59%
Occasional rain

RealFeel®58°

RealFeel Shade™56°

Max UV Index1.0 (Low)

WindWNW 7 mph

Tue 4/7

57° /35°
20%
Sunny to partly cloudy

RealFeel®58°

RealFeel Shade™53°

Max UV Index6.0 (High)

WindNNE 9 mph

Wed 4/8

53° /31°
10%
Mostly sunny

RealFeel®63°

RealFeel Shade™54°

Max UV Index6.0 (High)

WindE 4 mph

Thu 4/9

52° /35°
59%
Periods of rain

RealFeel®48°

RealFeel Shade™48°

Max UV Index2.0 (Low)

WindSE 9 mph

Fri 4/10

47° /37°
25%
Cloudy

RealFeel®44°

RealFeel Shade™44°

Max UV Index2.0 (Low)

WindNNW 8 mph

Sat 4/11

52° /33°
25%
Remaining cloudy

RealFeel®52°

RealFeel Shade™50°

Max UV Index2.0 (Low)

WindNE 6 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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