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DeKalb, IL

66°F
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DeKalb

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DeKalb, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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11 AM

73°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 52%
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Thunderstorms
alerts

Severe Thunderstorm Watch

6:40 AM Wednesday - 1:00 PM Wednesday

RealFeel Shade™76°

WindNNE 6 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts7 mph

Humidity93%

Indoor Humidity93% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility1.00 mi

Cloud Ceiling1000 ft

12 PM

75°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 60%
Chevron down
Thunderstorms
alerts

Severe Thunderstorm Watch

6:40 AM Wednesday - 1:00 PM Wednesday

RealFeel Shade™76°

WindNNE 7 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts8 mph

Humidity89%

Indoor Humidity89% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.03 in

Visibility2 mi

Cloud Ceiling1500 ft

1 PM

77°
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 49%
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Fog

RealFeel Shade™82°

WindN 8 mph

Air QualityFair

Max UV Index3.6 (Moderate)

Wind Gusts9 mph

Humidity89%

Indoor Humidity89% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility4 mi

Cloud Ceiling2000 ft

2 PM

79°
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 56%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™80°

Heat Index80°

WindNNE 7 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts9 mph

Humidity82%

Indoor Humidity82% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.15 in

Visibility4 mi

Cloud Ceiling2000 ft

3 PM

80°
RealFeel® 91°
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 49%
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Intermittent clouds

RealFeel Shade™85°

Heat Index84°

WindESE 7 mph

Air QualityFair

Max UV Index4.2 (Moderate)

Wind Gusts9 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling22400 ft

4 PM

80°
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 44%
Chevron down
Intermittent clouds

RealFeel Shade™84°

Heat Index84°

WindSE 6 mph

Air QualityFair

Max UV Index3.8 (Moderate)

Wind Gusts10 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

79°
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 34%
Chevron down
Partly sunny

RealFeel Shade™84°

Heat Index81°

WindESE 7 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts7 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover47%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

79°
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 34%
Chevron down
Partly sunny

RealFeel Shade™83°

Heat Index80°

WindNNE 7 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts7 mph

Humidity80%

Indoor Humidity80% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

78°
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 29%
Chevron down
Partly sunny

RealFeel Shade™84°

WindN 6 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts7 mph

Humidity82%

Indoor Humidity82% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

75°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™79°

WindSE 6 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts6 mph

Humidity88%

Indoor Humidity88% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover32%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

71°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Partly cloudy

WindSW 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity96%

Indoor Humidity95% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

71°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Partly cloudy

WindNW 5 mph

Air QualityFair

Wind Gusts7 mph

Humidity91%

Indoor Humidity91% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

70°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Partly cloudy

WindN 5 mph

Air QualityFair

Wind Gusts7 mph

Humidity93%

Indoor Humidity93% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for DeKalb

AccuWeather's hourly forecast for DeKalb provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 73° with a RealFeel® of 78°, thunderstorms with a 52% 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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Weather Near DeKalb:

  • Chicago, IL
  • Joliet, IL
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