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Over 200 million face dangerous heat wave this week. Click for the temp forecast. Chevron right

Onalaska, WI

80°F
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Onalaska

Wisconsin

80°
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Onalaska, WI Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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10 AM

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 0%
Chevron down
Cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™85°

Heat Index84°

WindS 14 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts22 mph

Humidity89%

Indoor Humidity89% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1700 ft

11 AM

82°
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
Cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™86°

Heat Index89°

WindS 15 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts25 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling11100 ft

12 PM

85°
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 0%
Chevron down
Mostly cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™89°

Heat Index93°

WindS 16 mph

Air QualityFair

Max UV Index5.9 (High)

Wind Gusts30 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling20600 ft

1 PM

89°
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 Index97°

WindS 16 mph

Air QualityFair

Max UV Index7.8 (Very High)

Wind Gusts30 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

90°
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™94°

Heat Index99°

WindS 15 mph

Air QualityFair

Max UV Index7.1 (High)

Wind Gusts31 mph

Humidity58%

Indoor Humidity58% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

92°
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™95°

Heat Index101°

WindS 15 mph

Air QualityFair

Max UV Index4.5 (Moderate)

Wind Gusts31 mph

Humidity55%

Indoor Humidity55% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling19800 ft

4 PM

93°
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™97°

Heat Index103°

WindS 16 mph

Air QualityFair

Max UV Index2.7 (Moderate)

Wind Gusts32 mph

Humidity52%

Indoor Humidity52% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling14700 ft

5 PM

93°
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™96°

Heat Index103°

WindS 16 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts31 mph

Humidity54%

Indoor Humidity54% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling12100 ft

6 PM

92°
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 0%
Chevron down
Mostly cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™95°

Heat Index102°

WindS 16 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts31 mph

Humidity56%

Indoor Humidity56% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling9600 ft

7 PM

90°
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 0%
Chevron down
Mostly cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™94°

Heat Index100°

WindS 16 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts30 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling7100 ft

8 PM

89°
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 sunny
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

RealFeel Shade™93°

Heat Index98°

WindS 15 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts29 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

87°
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
Partly cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

Heat Index95°

WindS 14 mph

Air QualityFair

Wind Gusts28 mph

Humidity65%

Indoor Humidity65% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

85°
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 cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

Heat Index93°

WindSSW 14 mph

Air QualityFair

Wind Gusts23 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

84°
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 cloudy
alerts

Extreme Heat Warning

8:00 AM Monday - 9:00 PM Tuesday

Heat Index91°

WindSSW 13 mph

Air QualityFair

Wind Gusts21 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point74° 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 79° with a RealFeel® of 86°, cloudy 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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