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Sweltering 90-100 F heat to expand, affect 170 million in central and eastern US. Details here Chevron right
Severe storms sweep Northeast, teen struck by lightning in Central Park. Read more Chevron right

Sumner, IA

76°F
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Sumner

Iowa

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Sumner, IA Weather
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4 AM

75°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Sunday

WindSSW 15 mph

Air QualityFair

Wind Gusts21 mph

Humidity94%

Indoor Humidity94% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling33400 ft

5 AM

74°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Sunday

WindSSW 14 mph

Air QualityFair

Wind Gusts21 mph

Humidity94%

Indoor Humidity94% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

73°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Sunday

RealFeel Shade™75°

WindSSW 14 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts21 mph

Humidity98%

Indoor Humidity95% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

75°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Sunday

RealFeel Shade™77°

WindSSW 15 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts22 mph

Humidity92%

Indoor Humidity92% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

76°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Sunday

RealFeel Shade™79°

WindSSW 16 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts25 mph

Humidity89%

Indoor Humidity89% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover73%

Visibility10 mi

Cloud Ceiling17600 ft

9 AM

79°
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
Intermittent clouds
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Sunday

RealFeel Shade™81°

WindSSW 18 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts28 mph

Humidity82%

Indoor Humidity82% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling15200 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
Intermittent clouds
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Sunday

RealFeel Shade™84°

WindSSW 20 mph

Air QualityFair

Max UV Index3 (Moderate)

Wind Gusts32 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling12800 ft

11 AM

84°
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
Intermittent clouds
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Sunday

RealFeel Shade™85°

WindSSW 21 mph

Air QualityFair

Max UV Index6 (High)

Wind Gusts36 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover54%

Visibility10 mi

Cloud Ceiling18500 ft

12 PM

86°
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

Heat Advisory

12:00 PM Saturday - 9:00 PM Sunday

RealFeel Shade™87°

WindSSW 22 mph

Air QualityFair

Max UV Index9 (Very High)

Wind Gusts40 mph

Humidity65%

Indoor Humidity65% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover43%

Visibility10 mi

Cloud Ceiling30000 ft

1 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 0%
Chevron down
Partly sunny
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Sunday

RealFeel Shade™89°

WindS 22 mph

Air QualityFair

Max UV Index10 (Very High)

Wind Gusts43 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover32%

Visibility10 mi

Cloud Ceiling30000 ft

2 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
Mostly sunny
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Sunday

RealFeel Shade™90°

WindS 23 mph

Air QualityFair

Max UV Index9 (Very High)

Wind Gusts44 mph

Humidity58%

Indoor Humidity58% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

90°
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 sunny
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Sunday

RealFeel Shade™91°

WindS 23 mph

Air QualityFair

Max UV Index7 (High)

Wind Gusts44 mph

Humidity55%

Indoor Humidity55% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover24%

Visibility10 mi

Cloud Ceiling30000 ft

4 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 sunny
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Sunday

RealFeel Shade™92°

WindS 23 mph

Air QualityFair

Max UV Index5 (Moderate)

Wind Gusts43 mph

Humidity52%

Indoor Humidity52% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

90°
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 sunny
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Sunday

RealFeel Shade™91°

WindS 23 mph

Air QualityFair

Max UV Index3 (Moderate)

Wind Gusts40 mph

Humidity55%

Indoor Humidity55% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

90°
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
Mostly sunny
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Sunday

RealFeel Shade™90°

WindS 22 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts39 mph

Humidity56%

Indoor Humidity56% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover27%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

88°
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
Mostly sunny
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Sunday

RealFeel Shade™88°

WindSSW 21 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts37 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

85°
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
Partly sunny
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Sunday

RealFeel Shade™86°

WindSSW 21 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts37 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

84°
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
Partly cloudy

WindSSW 20 mph

Air QualityFair

Wind Gusts37 mph

Humidity66%

Indoor Humidity66% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

81°
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 0%
Chevron down
Partly cloudy

WindSSW 18 mph

Air QualityFair

Wind Gusts32 mph

Humidity71%

Indoor Humidity71% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

80°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindSSW 17 mph

Air QualityFair

Wind Gusts30 mph

Humidity72%

Indoor Humidity72% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States Iowa Sumner

Weather Near Sumner:

  • Cedar Rapids, IA
  • Iowa City, IA
  • Waterloo, IA
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