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Eureka, MO

71°F
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Eureka, MO Weather
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4 AM

72°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday
alerts

Air Quality Alert

3:27 PM Thursday - 8:00 PM Friday

WindSW 4 mph

Air QualityPoor

Wind Gusts4 mph

Humidity94%

Indoor Humidity94% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover51%

Visibility10 mi

Cloud Ceiling33400 ft

5 AM

71°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday
alerts

Air Quality Alert

3:27 PM Thursday - 8:00 PM Friday

WindSW 4 mph

Air QualityPoor

Wind Gusts4 mph

Humidity96%

Indoor Humidity95% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover56%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

70°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Partly cloudy
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday
alerts

Air Quality Alert

3:27 PM Thursday - 8:00 PM Friday

WindSW 4 mph

Air QualityPoor

Wind Gusts4 mph

Humidity100%

Indoor Humidity95% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover39%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

70°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 29%
Chevron down
Mostly sunny
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday
alerts

Air Quality Alert

3:27 PM Thursday - 8:00 PM Friday

RealFeel Shade™74°

WindWSW 4 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts4 mph

Humidity100%

Indoor Humidity95% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

73°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 23%
Chevron down
Intermittent clouds
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday
alerts

Air Quality Alert

3:27 PM Thursday - 8:00 PM Friday

RealFeel Shade™80°

WindESE 4 mph

Air QualityPoor

Max UV Index0.8 (Low)

Wind Gusts4 mph

Humidity97%

Indoor Humidity95% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling23300 ft

9 AM

77°
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 23%
Chevron down
Intermittent clouds
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday
alerts

Air Quality Alert

3:27 PM Thursday - 8:00 PM Friday

RealFeel Shade™83°

WindE 4 mph

Air QualityPoor

Max UV Index1.7 (Low)

Wind Gusts4 mph

Humidity87%

Indoor Humidity87% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

81°
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 22%
Chevron down
Intermittent clouds
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday
alerts

Air Quality Alert

3:27 PM Thursday - 8:00 PM Friday

RealFeel Shade™89°

Heat Index87°

WindNE 4 mph

Air QualityPoor

Max UV Index2.6 (Moderate)

Wind Gusts4 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

85°
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 20%
Chevron down
Intermittent clouds
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday
alerts

Air Quality Alert

3:27 PM Thursday - 8:00 PM Friday

RealFeel Shade™92°

Heat Index92°

WindN 4 mph

Air QualityFair

Max UV Index3.6 (Moderate)

Wind Gusts5 mph

Humidity71%

Indoor Humidity71% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

88°
RealFeel® 102°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 20%
Chevron down
Intermittent clouds
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday
alerts

Air Quality Alert

3:27 PM Thursday - 8:00 PM Friday

RealFeel Shade™95°

Heat Index96°

WindNW 5 mph

Air QualityFair

Max UV Index4.3 (Moderate)

Wind Gusts5 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

91°
RealFeel® 105°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 18%
Chevron down
Intermittent clouds
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday
alerts

Air Quality Alert

3:27 PM Thursday - 8:00 PM Friday

RealFeel Shade™97°

Heat Index100°

WindW 5 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts5 mph

Humidity57%

Indoor Humidity57% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

93°
RealFeel® 106°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 14%
Chevron down
Intermittent clouds
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday
alerts

Air Quality Alert

3:27 PM Thursday - 8:00 PM Friday

RealFeel Shade™98°

Heat Index101°

WindW 5 mph

Air QualityFair

Max UV Index4.3 (Moderate)

Wind Gusts5 mph

Humidity53%

Indoor Humidity53% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

94°
RealFeel® 106°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 14%
Chevron down
Intermittent clouds
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday
alerts

Air Quality Alert

3:27 PM Thursday - 8:00 PM Friday

RealFeel Shade™100°

Heat Index103°

WindWNW 5 mph

Air QualityFair

Max UV Index3.6 (Moderate)

Wind Gusts5 mph

Humidity48%

Indoor Humidity48% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

94°
RealFeel® 103°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 18%
Chevron down
Intermittent clouds
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday
alerts

Air Quality Alert

3:27 PM Thursday - 8:00 PM Friday

RealFeel Shade™98°

Heat Index101°

WindNW 5 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts5 mph

Humidity49%

Indoor Humidity49% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

5 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 43%
Chevron down
Intermittent clouds
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday
alerts

Air Quality Alert

3:27 PM Thursday - 8:00 PM Friday

RealFeel Shade™95°

Heat Index98°

WindNNE 5 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts6 mph

Humidity53%

Indoor Humidity53% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

6 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 47%
Chevron down
Intermittent clouds
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday
alerts

Air Quality Alert

3:27 PM Thursday - 8:00 PM Friday

RealFeel Shade™94°

Heat Index94°

WindNE 5 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts6 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling19800 ft

7 PM

84°
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 51%
Chevron down
Mostly cloudy w/ t-storms
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday
alerts

Air Quality Alert

3:27 PM Thursday - 8:00 PM Friday

RealFeel Shade™89°

Heat Index92°

WindENE 5 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts6 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Rain0.13 in

Visibility4 mi

Cloud Ceiling2000 ft

8 PM

80°
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 9%
Chevron down
Mostly clear
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday

Heat Index85°

WindE 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

78°
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 6%
Chevron down
Mostly clear
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday

Heat Index80°

WindESE 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

76°
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 6%
Chevron down
Mostly clear
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday

WindSE 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity88%

Indoor Humidity88% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

74°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Mostly clear
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday

WindSE 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity92%

Indoor Humidity92% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Eureka

AccuWeather's hourly forecast for Eureka provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 72° with a RealFeel® of 76°, intermittent clouds with a 47% 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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Weather Near Eureka:

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