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Harlan, IA

75°F
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Harlan

Iowa

75°
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Harlan, IA Weather
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7 AM

75°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™75°

WindS 17 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts24 mph

Humidity87%

Indoor Humidity87% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover27%

Visibility10 mi

Cloud Ceiling33400 ft

8 AM

77°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™77°

WindS 18 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts28 mph

Humidity83%

Indoor Humidity83% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

80°
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 0%
Chevron down
Mostly cloudy
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™80°

Heat Index83°

WindS 20 mph

Air QualityFair

Max UV Index2.7 (Moderate)

Wind Gusts31 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

82°
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
Mostly cloudy
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™83°

Heat Index88°

WindS 22 mph

Air QualityFair

Max UV Index3.8 (Moderate)

Wind Gusts36 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

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
Mostly cloudy
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™86°

Heat Index92°

WindS 22 mph

Air QualityFair

Max UV Index5.8 (High)

Wind Gusts39 mph

Humidity68%

Indoor Humidity68% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

12 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
Mostly cloudy
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™89°

Heat Index95°

WindS 23 mph

Air QualityFair

Max UV Index7.6 (Very High)

Wind Gusts43 mph

Humidity65%

Indoor Humidity65% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

88°
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

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™91°

Heat Index97°

WindS 23 mph

Air QualityPoor

Max UV Index8.3 (Very High)

Wind Gusts44 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

2 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

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™93°

Heat Index100°

WindS 22 mph

Air QualityPoor

Max UV Index7.6 (Very High)

Wind Gusts45 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

91°
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

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™94°

Heat Index102°

WindS 22 mph

Air QualityPoor

Max UV Index5.8 (High)

Wind Gusts44 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

92°
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

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™96°

Heat Index104°

WindS 22 mph

Air QualityPoor

Max UV Index3.8 (Moderate)

Wind Gusts44 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

91°
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

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™95°

Heat Index103°

WindS 22 mph

Air QualityPoor

Max UV Index2.5 (Low)

Wind Gusts44 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling24900 ft

6 PM

90°
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

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™94°

Heat Index102°

WindS 22 mph

Air QualityPoor

Max UV Index1.4 (Low)

Wind Gusts44 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling19800 ft

7 PM

89°
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

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™94°

Heat Index101°

WindS 21 mph

Air QualityPoor

Max UV Index0.7 (Low)

Wind Gusts41 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling14700 ft

8 PM

88°
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 7%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™93°

Heat Index99°

WindS 21 mph

Air QualityPoor

Max UV Index0.4 (Low)

Wind Gusts36 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

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 7%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™91°

Heat Index95°

WindS 20 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts29 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 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 7%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

Heat Index92°

WindS 18 mph

Air QualityPoor

Wind Gusts22 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

81°
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 7%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

Heat Index87°

WindS 17 mph

Air QualityPoor

Wind Gusts22 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Harlan

AccuWeather's hourly forecast for Harlan provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 75° with a RealFeel® of 76°, mostly sunny 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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