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Herculaneum, MO

77°F
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Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Wednesday, June 25

Current Weather

6:27 AM

77°F
Partly sunny
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
RealFeel Shade™ 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
RealFeel®
88°
RealFeel Shade™
86°
Max UV Index
1 Low
Wind
S 1 mph
Wind Gusts
3 mph
Humidity
95%
Indoor Humidity
95% (Extremely Humid)
Dew Point
76° F
Pressure
↓ 30.15 in
Cloud Cover
32%
Visibility
8 mi
Cloud Ceiling
40000 ft

Day

6/25
94°Hi
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
RealFeel Shade™ 99°
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
Mostly sunny, very warm and humid; a thunderstorm in spots this afternoon
alerts

Heat Advisory

9:00 PM Monday - 9:00 PM Thursday

Max UV Index11 (Extreme)

AccuLumen Brightness Index™9 (Very Bright)

WindSSW 6 mph

Wind Gusts13 mph

Probability of Precipitation40%

Probability of Thunderstorms24%

Precipitation0.04 in

Rain0.04 in

Hours of Precipitation0.5

Hours of Rain0.5

Cloud Cover11%

Morning

Afternoon

Night

6/25
73°Lo
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
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Clear and uncomfortably humid
alerts

Heat Advisory

9:00 PM Monday - 9:00 PM Thursday

WindSSW 5 mph

Wind Gusts7 mph

Probability of Precipitation25%

Probability of Thunderstorms6%

Precipitation0.00 in

Cloud Cover5%

Evening

Overnight

Sun & Moon

14 hrs 50 mins
Rise 5:39 AM
Set 8:29 PM
New Moon
Rise 5:25 AM
Set 9:21 PM

Temperature History

6/25
High
Low
Forecast
94°
73°
Average
88°
67°
Last Year
103°
72°

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World North America United States Missouri Herculaneum

Weather Near Herculaneum:

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