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AccuWeather releases its 2026 Atlantic hurricane season forecast. Get the details. Chevron right
Severe weather threatens Missouri through Ohio. See the latest forecast. Chevron right

Eureka, MO

66°F
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Eureka

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Eureka, MO Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

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4 AM

64°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSW 10 mph

Air QualityPoor

Wind Gusts13 mph

Humidity82%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

63°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSW 10 mph

Air QualityPoor

Wind Gusts13 mph

Humidity83%

Indoor Humidity69% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

63°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSW 9 mph

Air QualityPoor

Wind Gusts12 mph

Humidity82%

Indoor Humidity68% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

65°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™62°

WindSW 9 mph

Air QualityPoor

Max UV Index0.1 (Low)

Wind Gusts12 mph

Humidity76%

Indoor Humidity68% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

67°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™64°

WindSW 12 mph

Air QualityPoor

Max UV Index1.1 (Low)

Wind Gusts18 mph

Humidity71%

Indoor Humidity69% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

71°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™67°

WindSW 13 mph

Air QualityPoor

Max UV Index2.0 (Low)

Wind Gusts23 mph

Humidity64%

Indoor Humidity64% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

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

RealFeel Shade™72°

WindSW 13 mph

Air QualityPoor

Max UV Index3.2 (Moderate)

Wind Gusts24 mph

Humidity55%

Indoor Humidity55% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

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

RealFeel Shade™77°

WindSW 14 mph

Air QualityPoor

Max UV Index4.3 (Moderate)

Wind Gusts27 mph

Humidity48%

Indoor Humidity48% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

12 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
Sunny

RealFeel Shade™81°

WindSW 15 mph

Air QualityPoor

Max UV Index5.3 (Moderate)

Wind Gusts29 mph

Humidity42%

Indoor Humidity42% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

1 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
Sunny

RealFeel Shade™84°

WindSW 16 mph

Air QualityPoor

Max UV Index5.9 (High)

Wind Gusts30 mph

Humidity37%

Indoor Humidity37% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

91°
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 2%
Chevron down
Sunny

RealFeel Shade™87°

WindSW 16 mph

Air QualityPoor

Max UV Index5.3 (Moderate)

Wind Gusts30 mph

Humidity34%

Indoor Humidity34% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

94°
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 2%
Chevron down
Sunny

RealFeel Shade™90°

WindSW 16 mph

Air QualityPoor

Max UV Index4.3 (Moderate)

Wind Gusts30 mph

Humidity30%

Indoor Humidity30% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

93°
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 3%
Chevron down
Mostly sunny

RealFeel Shade™89°

WindSW 16 mph

Air QualityPoor

Max UV Index3.2 (Moderate)

Wind Gusts29 mph

Humidity32%

Indoor Humidity32% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

93°
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 4%
Chevron down
Partly sunny

RealFeel Shade™89°

WindSW 14 mph

Air QualityPoor

Max UV Index2.0 (Low)

Wind Gusts27 mph

Humidity32%

Indoor Humidity32% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover34%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

91°
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 4%
Chevron down
Intermittent clouds

RealFeel Shade™88°

WindSW 12 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts22 mph

Humidity34%

Indoor Humidity34% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover64%

Visibility10 mi

Cloud Ceiling22700 ft

7 PM

87°
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 7%
Chevron down
Cloudy

RealFeel Shade™84°

WindSW 10 mph

Air QualityPoor

Max UV Index0.1 (Low)

Wind Gusts17 mph

Humidity39%

Indoor Humidity39% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling19000 ft

8 PM

84°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 19%
Chevron down
Cloudy

WindSW 12 mph

Air QualityPoor

Wind Gusts22 mph

Humidity44%

Indoor Humidity44% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling17600 ft

9 PM

81°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 19%
Chevron down
Cloudy

WindSW 12 mph

Air QualityPoor

Wind Gusts21 mph

Humidity48%

Indoor Humidity48% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling16100 ft

10 PM

78°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 24%
Chevron down
Cloudy

WindSW 12 mph

Air QualityPoor

Wind Gusts22 mph

Humidity52%

Indoor Humidity52% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling14700 ft

11 PM

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

WindWNW 13 mph

Air QualityPoor

Wind Gusts16 mph

Humidity54%

Indoor Humidity54% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling10100 ft

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World North America United States Missouri Eureka

Weather Near Eureka:

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