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150 million in South, East face major snow and ice storm. Get the forecast. Chevron right

Crystal Lake, IA

9°F
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Crystal Lake

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Crystal Lake, IA Weather
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Extreme Cold Warning

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January 22 - February 20

Thu 1/22

19° /-18°
25%
Breezy with intervals of clouds and sunshine
alerts

Extreme Cold Warning

9:00 PM Thursday - 12:00 PM Friday
alerts

Extreme Cold Watch

12:00 AM Friday - 12:00 PM Saturday

RealFeel®1°

RealFeel Shade™1°

Max UV Index1.0 (Low)

WindNW 15 mph

Fri 1/23

-5° /-11°
0%
Bitterly cold with intervals of clouds and sunshine; extreme cold can be dangerous for outdoor activities
alerts

Extreme Cold Warning

9:00 PM Thursday - 12:00 PM Friday
alerts

Extreme Cold Watch

12:00 AM Friday - 12:00 PM Saturday

RealFeel®-15°

RealFeel Shade™-15°

Max UV Index2.0 (Low)

WindNNW 9 mph

Sat 1/24

1° /-14°
3%
Cloudy and bitterly cold; extreme cold can be dangerous for outdoor activities
alerts

Extreme Cold Watch

12:00 AM Friday - 12:00 PM Saturday

RealFeel®-2°

RealFeel Shade™-2°

Max UV Index1.0 (Low)

WindSE 6 mph

Sun 1/25

6° /-13°
13%
Mostly cloudy and cold

RealFeel®1°

RealFeel Shade™1°

Max UV Index1.0 (Low)

WindE 6 mph

Mon 1/26

14° /3°
1%
Partly sunny

RealFeel®0°

RealFeel Shade™0°

Max UV Index2.0 (Low)

WindS 12 mph

Tue 1/27

19° /1°
64%
Snow and flurries

RealFeel®10°

RealFeel Shade™10°

Max UV Index1.0 (Low)

WindNNW 7 mph

Wed 1/28

10° /-2°
10%
Plenty of sunshine, but colder

RealFeel®-1°

RealFeel Shade™-1°

Max UV Index2.0 (Low)

WindNNW 12 mph

Thu 1/29

12° /-1°
25%
Cold with plenty of clouds

RealFeel®11°

RealFeel Shade™11°

Max UV Index1.0 (Low)

WindENE 5 mph

Fri 1/30

14° /0°
25%
Cold with a blend of sunshine and clouds

RealFeel®8°

RealFeel Shade™8°

Max UV Index2.0 (Low)

WindN 7 mph

Sat 1/31

15° /7°
25%
After a cloudy start, sunshine returns

RealFeel®1°

RealFeel Shade™-1°

Max UV Index1.0 (Low)

WindNNW 13 mph

Sun 2/1

14° /6°
18%
Mostly cloudy and cold

RealFeel®3°

RealFeel Shade™3°

Max UV Index3.0 (Moderate)

WindSSW 12 mph

Mon 2/2

19° /5°
4%
Morning low clouds; clouds yielding to sun in the afternoon

RealFeel®22°

RealFeel Shade™21°

Max UV Index1.0 (Low)

WindWNW 7 mph

Tue 2/3

21° /10°
25%
Considerable cloudiness

RealFeel®6°

RealFeel Shade™6°

Max UV Index1.0 (Low)

WindSSE 12 mph

Wed 2/4

25° /7°
25%
Mostly cloudy

RealFeel®19°

RealFeel Shade™19°

Max UV Index1.0 (Low)

WindE 8 mph

Thu 2/5

16° /2°
25%
Mostly cloudy

RealFeel®18°

RealFeel Shade™18°

Max UV Index1.0 (Low)

WindNNE 4 mph

Fri 2/6

16° /6°
55%
Cloudy with a bit of snow

RealFeel®5°

RealFeel Shade™5°

Max UV Index1.0 (Low)

WindSSE 9 mph

Sat 2/7

26° /5°
25%
Mostly cloudy and not as cold

RealFeel®26°

RealFeel Shade™26°

Max UV Index1.0 (Low)

WindNNW 6 mph

Sun 2/8

19° /16°
55%
Cloudy with a bit of snow

RealFeel®22°

RealFeel Shade™22°

Max UV Index1.0 (Low)

WindSW 2 mph

Mon 2/9

25° /16°
55%
Cloudy with a bit of snow

RealFeel®19°

RealFeel Shade™19°

Max UV Index1.0 (Low)

WindSSW 7 mph

Tue 2/10

33° /15°
58%
Remaining cloudy with a little snow, mainly early in the day

RealFeel®18°

RealFeel Shade™18°

Max UV Index1.0 (Low)

WindNW 18 mph

Wed 2/11

28° /11°
25%
After a cloudy start, sunshine returns

RealFeel®27°

RealFeel Shade™21°

Max UV Index3.0 (Moderate)

WindSSW 8 mph

Thu 2/12

34° /12°
25%
Considerable cloudiness

RealFeel®24°

RealFeel Shade™24°

Max UV Index1.0 (Low)

WindNNW 10 mph

Fri 2/13

25° /13°
25%
Colder with considerable cloudiness

RealFeel®15°

RealFeel Shade™15°

Max UV Index1.0 (Low)

WindSE 10 mph

Sat 2/14

34° /6°
55%
Cloudy; a bit of snow in the morning followed by periods of snow, sleet, and freezing rain in the afternoon

RealFeel®33°

RealFeel Shade™33°

Max UV Index1.0 (Low)

WindENE 6 mph

Sun 2/15

33° /5°
25%
Cloudy

RealFeel®29°

RealFeel Shade™29°

Max UV Index1.0 (Low)

WindNNE 7 mph

Mon 2/16

21° /9°
25%
Colder with times of clouds and sun

RealFeel®21°

RealFeel Shade™18°

Max UV Index3.0 (Moderate)

WindNE 6 mph

Tue 2/17

29° /19°
25%
Cloudy

RealFeel®17°

RealFeel Shade™17°

Max UV Index1.0 (Low)

WindESE 12 mph

Wed 2/18

31° /13°
59%
Snow, sleet and freezing rain changing to snow and tapering off; cloudy

RealFeel®27°

RealFeel Shade™27°

Max UV Index1.0 (Low)

WindESE 9 mph

Thu 2/19

32° /4°
55%
Remaining cloudy and windy with a bit of snow

RealFeel®14°

RealFeel Shade™14°

Max UV Index1.0 (Low)

WindWNW 22 mph

Fri 2/20

19° /2°
25%
Cold with sun followed by increasing clouds

RealFeel®10°

RealFeel Shade™10°

Max UV Index2.0 (Low)

WindNNW 9 mph

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World North America United States Iowa Crystal Lake

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  • Mason City, IA
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