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St. Jacob, IL

61°F
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St. Jacob

Illinois

61°
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St. Jacob, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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1 AM

59°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNE 4 mph

Air QualityPoor

Wind Gusts4 mph

Humidity90%

Indoor Humidity67% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover23%

Visibility10 mi

Cloud Ceiling33400 ft

2 AM

59°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

WindNE 4 mph

Air QualityPoor

Wind Gusts4 mph

Humidity95%

Indoor Humidity68% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility4 mi

Cloud Ceiling30000 ft

3 AM

58°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

WindNE 4 mph

Air QualityPoor

Wind Gusts4 mph

Humidity100%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility2 mi

Cloud Ceiling30000 ft

4 AM

57°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

WindENE 4 mph

Air QualityPoor

Wind Gusts5 mph

Humidity100%

Indoor Humidity68% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility1.00 mi

Cloud Ceiling30000 ft

5 AM

57°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

WindENE 4 mph

Air QualityPoor

Wind Gusts4 mph

Humidity100%

Indoor Humidity67% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility0.50 mi

Cloud Ceiling30000 ft

6 AM

56°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

WindE 4 mph

Air QualityPoor

Wind Gusts4 mph

Humidity100%

Indoor Humidity65% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility0.50 mi

Cloud Ceiling30000 ft

7 AM

58°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™59°

WindE 4 mph

Air QualityPoor

Max UV Index0.6 (Low)

Wind Gusts4 mph

Humidity95%

Indoor Humidity67% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover26%

Visibility0.50 mi

Cloud Ceiling30000 ft

8 AM

62°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™61°

WindESE 4 mph

Air QualityPoor

Max UV Index1.5 (Low)

Wind Gusts5 mph

Humidity87%

Indoor Humidity71% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility1.00 mi

Cloud Ceiling30000 ft

9 AM

66°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™63°

WindSE 5 mph

Air QualityPoor

Max UV Index2.5 (Moderate)

Wind Gusts6 mph

Humidity82%

Indoor Humidity76% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility2 mi

Cloud Ceiling30000 ft

10 AM

70°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™69°

WindSSE 6 mph

Air QualityPoor

Max UV Index3.9 (Moderate)

Wind Gusts6 mph

Humidity75%

Indoor Humidity75% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility4 mi

Cloud Ceiling30000 ft

11 AM

73°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™72°

WindSSE 5 mph

Air QualityPoor

Max UV Index5.3 (Moderate)

Wind Gusts6 mph

Humidity67%

Indoor Humidity67% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

76°
RealFeel® 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™74°

WindS 5 mph

Air QualityPoor

Max UV Index7.3 (High)

Wind Gusts5 mph

Humidity59%

Indoor Humidity59% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

79°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™77°

WindS 5 mph

Air QualityPoor

Max UV Index8.0 (Very High)

Wind Gusts5 mph

Humidity53%

Indoor Humidity53% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

80°
RealFeel® 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™78°

Heat Index81°

WindSSE 5 mph

Air QualityPoor

Max UV Index7.3 (High)

Wind Gusts6 mph

Humidity50%

Indoor Humidity50% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

82°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™80°

Heat Index82°

WindE 6 mph

Air QualityPoor

Max UV Index5.3 (Moderate)

Wind Gusts6 mph

Humidity47%

Indoor Humidity47% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover48%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

81°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™79°

Heat Index82°

WindENE 6 mph

Air QualityPoor

Max UV Index3.6 (Moderate)

Wind Gusts6 mph

Humidity49%

Indoor Humidity49% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

81°
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™79°

Heat Index82°

WindENE 6 mph

Air QualityPoor

Max UV Index2.2 (Low)

Wind Gusts7 mph

Humidity51%

Indoor Humidity51% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

79°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™77°

WindNE 6 mph

Air QualityPoor

Max UV Index1.3 (Low)

Wind Gusts7 mph

Humidity57%

Indoor Humidity57% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

77°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™77°

WindNE 6 mph

Air QualityPoor

Max UV Index0.5 (Low)

Wind Gusts9 mph

Humidity63%

Indoor Humidity63% (Humid)

Dew Point63° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

74°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindENE 5 mph

Air QualityPoor

Wind Gusts8 mph

Humidity70%

Indoor Humidity70% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover84%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

71°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindENE 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity75%

Indoor Humidity75% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

68°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindE 5 mph

Air QualityPoor

Wind Gusts5 mph

Humidity81%

Indoor Humidity81% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

66°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

WindE 5 mph

Air QualityPoor

Wind Gusts5 mph

Humidity85%

Indoor Humidity80% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for St. Jacob

AccuWeather's hourly forecast for St. Jacob provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 59° with a RealFeel® of 60°, mostly clear with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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