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Lannon, WI

81°F
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Lannon

Wisconsin

81°
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Lannon, WI Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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10 AM

82°
RealFeel® 83°
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 52%
Chevron down
Showers

RealFeel Shade™81°

Heat Index86°

WindWSW 8 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts9 mph

Humidity69%

Indoor Humidity69% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Rain0.05 in

Visibility10 mi

Cloud Ceiling10000 ft

11 AM

84°
RealFeel® 93°
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 29%
Chevron down
Partly sunny

RealFeel Shade™86°

Heat Index88°

WindWSW 8 mph

Air QualityFair

Max UV Index7.0 (High)

Wind Gusts10 mph

Humidity61%

Indoor Humidity61% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

86°
RealFeel® 96°
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 24%
Chevron down
Partly sunny

RealFeel Shade™88°

Heat Index90°

WindWSW 9 mph

Air QualityFair

Max UV Index9.1 (Very High)

Wind Gusts12 mph

Humidity56%

Indoor Humidity56% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

87°
RealFeel® 97°
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 27%
Chevron down
Partly sunny

RealFeel Shade™88°

Heat Index91°

WindWSW 9 mph

Air QualityFair

Max UV Index9.9 (Very High)

Wind Gusts13 mph

Humidity54%

Indoor Humidity54% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

88°
RealFeel® 97°
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 34%
Chevron down
Partly sunny

RealFeel Shade™89°

Heat Index92°

WindWSW 9 mph

Air QualityFair

Max UV Index9.1 (Very High)

Wind Gusts13 mph

Humidity52%

Indoor Humidity52% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

90°
RealFeel® 97°
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 34%
Chevron down
Partly sunny

RealFeel Shade™90°

Heat Index94°

WindWSW 9 mph

Air QualityFair

Max UV Index7.0 (High)

Wind Gusts13 mph

Humidity49%

Indoor Humidity49% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

88°
RealFeel® 94°
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 40%
Chevron down
Partly sunny

RealFeel Shade™89°

Heat Index92°

WindWSW 9 mph

Air QualityFair

Max UV Index4.8 (Moderate)

Wind Gusts12 mph

Humidity51%

Indoor Humidity51% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

86°
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 51%
Chevron down
Partly sunny w/ t-storms

RealFeel Shade™86°

Heat Index94°

WindWSW 9 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts12 mph

Humidity68%

Indoor Humidity68% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Rain0.24 in

Visibility3 mi

Cloud Ceiling30000 ft

6 PM

83°
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 47%
Chevron down
Partly sunny

RealFeel Shade™87°

Heat Index89°

WindWSW 9 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts12 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

83°
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 36%
Chevron down
Partly sunny

RealFeel Shade™87°

Heat Index88°

WindSW 8 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts10 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

82°
RealFeel® 85°
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 20%
Chevron down
Mostly cloudy

RealFeel Shade™85°

Heat Index86°

WindSW 8 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts9 mph

Humidity65%

Indoor Humidity65% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover80%

Visibility10 mi

Cloud Ceiling28000 ft

9 PM

80°
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 20%
Chevron down
Mostly cloudy

Heat Index83°

WindWSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity71%

Indoor Humidity71% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover85%

Visibility10 mi

Cloud Ceiling25900 ft

10 PM

78°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindWSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity77%

Indoor Humidity77% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling23900 ft

11 PM

75°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindWSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity83%

Indoor Humidity83% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling19800 ft

Hourly Weather Forecast for Lannon

AccuWeather's hourly forecast for Lannon provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 82° with a RealFeel® of 83°, showers 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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