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

St. Jacob, IL

30°F
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St. Jacob

Illinois

30°
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St. Jacob, IL Weather
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January 15 - February 13

Thu 1/15

30° /26°
3%
Breezy this morning; otherwise, sunny to partly cloudy and chilly

RealFeel®38°

RealFeel Shade™31°

Max UV Index3.0 (Moderate)

WindW 9 mph

Fri 1/16

44° /20°
25%

WinterCast

Little to no accumulation

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

Snow
Breezy and not as cold with periods of clouds and sunshine

RealFeel®35°

RealFeel Shade™35°

Max UV Index1.0 (Low)

WindW 15 mph

Sat 1/17

24° /11°
25%
Cloudy, windy and very cold

RealFeel®5°

RealFeel Shade™5°

Max UV Index1.0 (Low)

WindWNW 18 mph

Sun 1/18

31° /13°
1%
Cold with more sunshine than clouds

RealFeel®21°

RealFeel Shade™20°

Max UV Index3.0 (Moderate)

WindSW 12 mph

Mon 1/19

20° /10°
1%
Sunny, brisk and quite cold

RealFeel®7°

RealFeel Shade™6°

Max UV Index3.0 (Moderate)

WindNW 15 mph

Tue 1/20

29° /21°
3%
Sunny and not as cold

RealFeel®23°

RealFeel Shade™23°

Max UV Index3.0 (Moderate)

WindSW 8 mph

Wed 1/21

43° /24°
1%
Not as cold with plenty of sunshine

RealFeel®43°

RealFeel Shade™40°

Max UV Index3.0 (Moderate)

WindWNW 8 mph

Thu 1/22

41° /28°
11%
Times of clouds and sun

RealFeel®35°

RealFeel Shade™35°

Max UV Index3.0 (Moderate)

WindSSE 7 mph

Fri 1/23

45° /29°
59%
Cloudy with a passing shower in the afternoon

RealFeel®42°

RealFeel Shade™42°

Max UV Index1.0 (Low)

WindNE 5 mph

Sat 1/24

38° /13°
43%
A stray morning flurry; otherwise, cloudy and colder

RealFeel®28°

RealFeel Shade™28°

Max UV Index1.0 (Low)

WindN 14 mph

Sun 1/25

33° /18°
2%
A blend of sun and clouds

RealFeel®30°

RealFeel Shade™28°

Max UV Index2.0 (Low)

WindN 9 mph

Mon 1/26

38° /22°
1%
Turning cloudy

RealFeel®42°

RealFeel Shade™42°

Max UV Index2.0 (Low)

WindN 2 mph

Tue 1/27

40° /21°
25%
Cloudy

RealFeel®40°

RealFeel Shade™40°

Max UV Index1.0 (Low)

WindENE 5 mph

Wed 1/28

39° /20°
25%
A thick cloud cover

RealFeel®40°

RealFeel Shade™40°

Max UV Index1.0 (Low)

WindW 5 mph

Thu 1/29

32° /9°
25%
Mostly cloudy

RealFeel®21°

RealFeel Shade™21°

Max UV Index1.0 (Low)

WindNW 13 mph

Fri 1/30

25° /9°
20%
Plenty of sunshine, but very cold

RealFeel®30°

RealFeel Shade™22°

Max UV Index3.0 (Moderate)

WindSSW 6 mph

Sat 1/31

32° /24°
25%
Increasing cloudiness

RealFeel®28°

RealFeel Shade™26°

Max UV Index3.0 (Moderate)

WindSSW 8 mph

Sun 2/1

46° /28°
25%
Cloudy and not as cold

RealFeel®38°

RealFeel Shade™38°

Max UV Index1.0 (Low)

WindS 14 mph

Mon 2/2

47° /23°
25%
After a cloudy start, sun returns

RealFeel®43°

RealFeel Shade™41°

Max UV Index1.0 (Low)

WindWNW 12 mph

Tue 2/3

39° /24°
25%
Partly sunny

RealFeel®35°

RealFeel Shade™31°

Max UV Index3.0 (Moderate)

WindESE 8 mph

Wed 2/4

46° /11°
65%
Cloudy; periods of snow and rain in the morning followed by a shower in spots in the afternoon

RealFeel®37°

RealFeel Shade™37°

Max UV Index1.0 (Low)

WindWNW 14 mph

Thu 2/5

31° /12°
5%
Colder with plenty of sunshine

RealFeel®27°

RealFeel Shade™25°

Max UV Index3.0 (Moderate)

WindWNW 10 mph

Fri 2/6

32° /21°
10%
Mostly sunny

RealFeel®23°

RealFeel Shade™21°

Max UV Index3.0 (Moderate)

WindSSW 13 mph

Sat 2/7

45° /19°
20%
Mostly sunny and not as cold

RealFeel®46°

RealFeel Shade™40°

Max UV Index3.0 (Moderate)

WindS 6 mph

Sun 2/8

47° /21°
55%
Mainly cloudy; periods of snow, sleet, and freezing rain in the morning followed by a shower in spots in the afternoon

RealFeel®43°

RealFeel Shade™43°

Max UV Index1.0 (Low)

WindNE 8 mph

Mon 2/9

33° /19°
56%
Cloudy and colder with occasional snow and flurries, mainly early, a stray flurry late in the day

RealFeel®29°

RealFeel Shade™29°

Max UV Index1.0 (Low)

WindNNW 8 mph

Tue 2/10

33° /15°
5%
Plenty of sunshine

RealFeel®29°

RealFeel Shade™24°

Max UV Index3.0 (Moderate)

WindWSW 8 mph

Wed 2/11

39° /14°
25%
Increasing cloudiness

RealFeel®39°

RealFeel Shade™39°

Max UV Index3.0 (Moderate)

WindWNW 7 mph

Thu 2/12

32° /11°
20%
After a cloudy start, sun returns

RealFeel®29°

RealFeel Shade™25°

Max UV Index3.0 (Moderate)

WindNNW 9 mph

Fri 2/13

29° /12°
10%
Mostly sunny and cold

RealFeel®31°

RealFeel Shade™26°

Max UV Index3.0 (Moderate)

WindNE 6 mph

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World North America United States Illinois St. Jacob

Weather Near St. Jacob:

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  • St. Charles, MO
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