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Dangerous heat wave to expand east early this week, affecting 170 million people. Details here Chevron right

Bay, MO

90°F
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Today

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 Daily Radar MinuteCast Monthly Air Quality Health & Activities

3 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.
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rain drop 0%
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Sunny
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Tuesday

RealFeel Shade™92°

WindSSW 13 mph

Air QualityFair

Max UV Index8 (Very High)

Wind Gusts28 mph

Humidity47%

Indoor Humidity47% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling33300 ft

4 PM

93°
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
Sunny
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Tuesday

RealFeel Shade™92°

WindSSW 13 mph

Air QualityFair

Max UV Index5 (Moderate)

Wind Gusts30 mph

Humidity44%

Indoor Humidity44% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

94°
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
Sunny
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Tuesday

RealFeel Shade™93°

WindSSW 12 mph

Air QualityFair

Max UV Index3 (Moderate)

Wind Gusts27 mph

Humidity42%

Indoor Humidity42% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

93°
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
Sunny
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Tuesday

RealFeel Shade™93°

WindSSW 9 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts22 mph

Humidity44%

Indoor Humidity44% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

91°
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
Sunny
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Tuesday

RealFeel Shade™92°

WindSSW 8 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts17 mph

Humidity48%

Indoor Humidity48% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

89°
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
Sunny
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Tuesday

RealFeel Shade™91°

WindS 8 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts17 mph

Humidity51%

Indoor Humidity51% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

86°
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%
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Clear
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Tuesday

WindS 7 mph

Air QualityFair

Wind Gusts16 mph

Humidity56%

Indoor Humidity56% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 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
Clear
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Tuesday

WindS 7 mph

Air QualityFair

Wind Gusts16 mph

Humidity62%

Indoor Humidity62% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

82°
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 0%
Chevron down
Clear
alerts

Heat Advisory

12:00 PM Saturday - 9:00 PM Tuesday

WindS 7 mph

Air QualityFair

Wind Gusts16 mph

Humidity66%

Indoor Humidity66% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

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Weather Near Bay:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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