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Boston, Philly hit 100, NYC breaks record from 1888 amid heat wave. Get the latest Chevron right
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St. Marys, IA

71°F
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St. Marys

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St. Marys, IA Weather
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5 AM

70°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindSE 5 mph

Air QualityFair

Wind Gusts12 mph

Humidity100%

Indoor Humidity95% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

70°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 60%
Chevron down
Thunderstorms

RealFeel Shade™67°

WindSE 7 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts12 mph

Humidity100%

Indoor Humidity95% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover90%

Rain0.22 in

Visibility3 mi

Cloud Ceiling2000 ft

7 AM

70°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™73°

WindSE 7 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts13 mph

Humidity100%

Indoor Humidity95% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

73°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 55%
Chevron down
Partly sunny w/ t-storms

RealFeel Shade™73°

WindESE 8 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts9 mph

Humidity94%

Indoor Humidity94% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Rain0.08 in

Visibility5 mi

Cloud Ceiling30000 ft

9 AM

75°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 54%
Chevron down
Partly sunny w/ t-storms

RealFeel Shade™76°

WindSE 8 mph

Air QualityFair

Max UV Index3 (Moderate)

Wind Gusts10 mph

Humidity89%

Indoor Humidity89% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Rain0.04 in

Visibility6 mi

Cloud Ceiling30000 ft

10 AM

78°
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 49%
Chevron down
Partly sunny

RealFeel Shade™83°

WindSE 9 mph

Air QualityFair

Max UV Index5 (Moderate)

Wind Gusts13 mph

Humidity84%

Indoor Humidity84% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

81°
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 34%
Chevron down
Partly sunny

RealFeel Shade™86°

WindSSE 9 mph

Air QualityFair

Max UV Index7 (High)

Wind Gusts15 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

84°
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 34%
Chevron down
Partly sunny

RealFeel Shade™89°

WindSSW 10 mph

Air QualityFair

Max UV Index10 (Very High)

Wind Gusts18 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

86°
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 37%
Chevron down
Partly sunny

RealFeel Shade™91°

WindSSW 10 mph

Air QualityFair

Max UV Index11 (Extreme)

Wind Gusts22 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

87°
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 47%
Chevron down
Partly sunny

RealFeel Shade™91°

WindSSW 15 mph

Air QualityFair

Max UV Index10 (Very High)

Wind Gusts27 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

3 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 51%
Chevron down
Partly sunny w/ t-storms

RealFeel Shade™88°

WindSSW 16 mph

Air QualityFair

Max UV Index7 (High)

Wind Gusts30 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Rain0.07 in

Visibility5 mi

Cloud Ceiling30000 ft

4 PM

89°
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 43%
Chevron down
Partly sunny

RealFeel Shade™92°

WindSSW 16 mph

Air QualityFair

Max UV Index5 (Moderate)

Wind Gusts30 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

88°
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 54%
Chevron down
Partly sunny w/ t-storms

RealFeel Shade™89°

WindSSW 16 mph

Air QualityFair

Max UV Index3 (Moderate)

Wind Gusts30 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover43%

Rain0.07 in

Visibility5 mi

Cloud Ceiling30000 ft

6 PM

86°
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 49%
Chevron down
Mostly sunny

RealFeel Shade™89°

WindS 15 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts29 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

7 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 41%
Chevron down
Mostly sunny

RealFeel Shade™89°

WindS 15 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts28 mph

Humidity68%

Indoor Humidity68% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 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 32%
Chevron down
Mostly sunny

RealFeel Shade™88°

WindS 10 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts18 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

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 32%
Chevron down
Mostly clear

WindS 9 mph

Air QualityFair

Wind Gusts16 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

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 38%
Chevron down
Mostly clear

WindS 9 mph

Air QualityFair

Wind Gusts13 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

78°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Partly cloudy w/ t-storms

WindS 9 mph

Air QualityFair

Wind Gusts12 mph

Humidity82%

Indoor Humidity82% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover24%

Rain0.04 in

Visibility6 mi

Cloud Ceiling30000 ft

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World North America United States Iowa St. Marys

Weather Near St. Marys:

  • Ames, IA
  • Des Moines, IA
  • West Des Moines, IA
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