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Onalaska, WI

75°F
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Onalaska

Wisconsin

75°
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Onalaska, WI Weather
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7 AM

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 13%
Chevron down
Mostly cloudy

RealFeel Shade™84°

WindS 9 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts10 mph

Humidity88%

Indoor Humidity88% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover81%

Visibility10 mi

Cloud Ceiling1700 ft

8 AM

79°
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 0%
Chevron down
Mostly cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™85°

Heat Index83°

WindS 12 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts18 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover87%

Visibility10 mi

Cloud Ceiling1000 ft

9 AM

81°
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
Cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™86°

Heat Index86°

WindS 13 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts21 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling1200 ft

10 AM

83°
RealFeel® 87°
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
Cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™86°

Heat Index89°

WindS 14 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts22 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling1700 ft

11 AM

85°
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 0%
Chevron down
Mostly cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™88°

Heat Index92°

WindS 15 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts25 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover80%

Visibility10 mi

Cloud Ceiling11100 ft

12 PM

87°
RealFeel® 95°
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
Mostly cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™90°

Heat Index95°

WindS 16 mph

Air QualityFair

Max UV Index5.9 (High)

Wind Gusts30 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling20600 ft

1 PM

90°
RealFeel® 98°
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
Mostly cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™92°

Heat Index98°

WindS 16 mph

Air QualityFair

Max UV Index7.8 (Very High)

Wind Gusts30 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

92°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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
Mostly cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™95°

Heat Index101°

WindS 15 mph

Air QualityFair

Max UV Index7.1 (High)

Wind Gusts31 mph

Humidity56%

Indoor Humidity56% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

93°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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
Mostly cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™97°

Heat Index103°

WindS 15 mph

Air QualityFair

Max UV Index4.5 (Moderate)

Wind Gusts31 mph

Humidity53%

Indoor Humidity53% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling19800 ft

4 PM

96°
RealFeel® 102°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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
Mostly cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™100°

Heat Index107°

WindS 16 mph

Air QualityFair

Max UV Index2.7 (Moderate)

Wind Gusts32 mph

Humidity50%

Indoor Humidity50% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling14700 ft

5 PM

95°
RealFeel® 100°
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
Mostly cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™99°

Heat Index106°

WindS 16 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts31 mph

Humidity52%

Indoor Humidity52% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling12100 ft

6 PM

94°
RealFeel® 99°
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
Mostly cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™98°

Heat Index105°

WindS 16 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts31 mph

Humidity53%

Indoor Humidity53% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling9600 ft

7 PM

93°
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 0%
Chevron down
Mostly cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™97°

Heat Index103°

WindS 16 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts30 mph

Humidity56%

Indoor Humidity56% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling7100 ft

8 PM

91°
RealFeel® 95°
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
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™95°

Heat Index101°

WindS 15 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts29 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

89°
RealFeel® 95°
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 cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

Heat Index100°

WindS 14 mph

Air QualityFair

Wind Gusts28 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

87°
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 0%
Chevron down
Partly cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

Heat Index97°

WindSSW 14 mph

Air QualityFair

Wind Gusts23 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

86°
RealFeel® 92°
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 cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

Heat Index96°

WindSSW 13 mph

Air QualityFair

Wind Gusts21 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Onalaska

AccuWeather's hourly forecast for Onalaska provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 78° with a RealFeel® of 84°, mostly cloudy with a 13% 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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