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Polar vortex to unleash frigid air before end of January. Get the details. Chevron right
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Johnstown, WI

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

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January 15 - February 13

Thu 1/15

25° /22°
55%

WinterCast

An inch or two

Thu, 1/15, 8:00 PM - Fri, 1/16, 12:00 PM

Snow
Partly sunny with a snow shower late this afternoon; snow at night will lead to slippery travel

RealFeel®18°

RealFeel Shade™14°

Max UV Index2.0 (Low)

WindWSW 9 mph

Fri 1/16

34° /14°
87%

WinterCast

An inch or two

Thu, 1/15, 8:00 PM - Fri, 1/16, 12:00 PM

Snow
Breezy with a little snow, then a leftover snow shower; storm total 1-2"; slow and slippery travel in the morning; improving travel conditions in the afternoon

RealFeel®21°

RealFeel Shade™21°

Max UV Index1.0 (Low)

WindW 15 mph

Sat 1/17

19° /3°
94%

WinterCast

An inch or two

Fri, 1/16, 8:00 PM - Sat, 1/17, 6:00 PM

Snow
Cloudy, breezy and colder with a couple of snow showers; storm total snowfall an inch or two

RealFeel®2°

RealFeel Shade™2°

Max UV Index1.0 (Low)

WindWNW 14 mph

Sun 1/18

18° /-2°
70%
Intermittent snow and flurries in the morning; otherwise, remaining cloudy and frigid

RealFeel®1°

RealFeel Shade™1°

Max UV Index1.0 (Low)

WindSW 13 mph

Mon 1/19

5° /-2°
8%
Windy and frigid with sun and areas of low clouds

RealFeel®-17°

RealFeel Shade™-17°

Max UV Index1.0 (Low)

WindWNW 17 mph

Tue 1/20

12° /8°
11%
Breezy in the morning; otherwise, frigid with some sun, then increasing clouds

RealFeel®10°

RealFeel Shade™10°

Max UV Index2.0 (Low)

WindNW 12 mph

Wed 1/21

22° /13°
25%
Not as cold with intervals of clouds and sunshine

RealFeel®21°

RealFeel Shade™18°

Max UV Index2.0 (Low)

WindW 6 mph

Thu 1/22

23° /18°
65%
Mostly cloudy and cold; periods of snow in the afternoon

RealFeel®14°

RealFeel Shade™14°

Max UV Index1.0 (Low)

WindSSW 7 mph

Fri 1/23

29° /15°
2%
Rather cloudy

RealFeel®27°

RealFeel Shade™27°

Max UV Index2.0 (Low)

WindN 7 mph

Sat 1/24

13° /6°
62%
Frigid with periods of snow

RealFeel®-5°

RealFeel Shade™-5°

Max UV Index1.0 (Low)

WindNNE 15 mph

Sun 1/25

18° /13°
9%
Low clouds and frigid

RealFeel®10°

RealFeel Shade™10°

Max UV Index1.0 (Low)

WindN 8 mph

Mon 1/26

22° /15°
25%
Cold with low clouds

RealFeel®21°

RealFeel Shade™21°

Max UV Index1.0 (Low)

WindWNW 5 mph

Tue 1/27

22° /15°
65%
Cold with periods of snow

RealFeel®15°

RealFeel Shade™15°

Max UV Index1.0 (Low)

WindNNE 8 mph

Wed 1/28

29° /12°
62%
Periods of snow

RealFeel®23°

RealFeel Shade™23°

Max UV Index1.0 (Low)

WindWNW 8 mph

Thu 1/29

19° /1°
25%
Mostly cloudy and colder

RealFeel®5°

RealFeel Shade™5°

Max UV Index1.0 (Low)

WindNW 13 mph

Fri 1/30

15° /1°
25%
Cloudy and very cold

RealFeel®9°

RealFeel Shade™9°

Max UV Index1.0 (Low)

WindSW 8 mph

Sat 1/31

18° /4°
25%
Very cold with considerable cloudiness

RealFeel®22°

RealFeel Shade™22°

Max UV Index1.0 (Low)

WindNE 4 mph

Sun 2/1

24° /18°
67%
Snow, sleet, and freezing rain in the afternoon; otherwise, a bit of snow in the morning; cloudy and cold

RealFeel®15°

RealFeel Shade™15°

Max UV Index1.0 (Low)

WindENE 9 mph

Mon 2/2

29° /15°
25%
Considerable cloudiness

RealFeel®19°

RealFeel Shade™19°

Max UV Index1.0 (Low)

WindNW 12 mph

Tue 2/3

24° /12°
56%
Considerable cloudiness and cold with a bit of snow

RealFeel®25°

RealFeel Shade™25°

Max UV Index1.0 (Low)

WindS 6 mph

Wed 2/4

28° /3°
58%
Periods of snow

RealFeel®11°

RealFeel Shade™11°

Max UV Index1.0 (Low)

WindNW 14 mph

Thu 2/5

21° /2°
10%
Cold with brilliant sunshine

RealFeel®17°

RealFeel Shade™12°

Max UV Index3.0 (Moderate)

WindW 8 mph

Fri 2/6

22° /5°
55%
Mostly cloudy and cold with a flurry early, then an hour or two of snow

RealFeel®10°

RealFeel Shade™10°

Max UV Index1.0 (Low)

WindSW 14 mph

Sat 2/7

27° /4°
56%
Cloudy with periods of snow in the afternoon

RealFeel®21°

RealFeel Shade™21°

Max UV Index3.0 (Moderate)

WindWSW 7 mph

Sun 2/8

21° /4°
20%
Mostly sunny and cold

RealFeel®23°

RealFeel Shade™18°

Max UV Index3.0 (Moderate)

WindW 6 mph

Mon 2/9

21° /8°
57%
Cold with snow at times

RealFeel®23°

RealFeel Shade™23°

Max UV Index1.0 (Low)

WindNNW 4 mph

Tue 2/10

22° /4°
25%
Cloudy and cold

RealFeel®12°

RealFeel Shade™12°

Max UV Index1.0 (Low)

WindW 10 mph

Wed 2/11

21° /3°
20%
Sunny and cold

RealFeel®16°

RealFeel Shade™12°

Max UV Index3.0 (Moderate)

WindW 10 mph

Thu 2/12

18° /2°
20%
Very cold with plenty of sun

RealFeel®13°

RealFeel Shade™8°

Max UV Index3.0 (Moderate)

WindWNW 9 mph

Fri 2/13

18° /2°
20%
Plenty of sun, but very cold

RealFeel®25°

RealFeel Shade™20°

Max UV Index3.0 (Moderate)

WindNW 5 mph

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World North America United States Wisconsin Johnstown

Weather Near Johnstown:

  • Beloit, WI
  • Janesville, WI
  • Madison, WI
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