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High risk for severe weather in the central, eastern US. Get the forecast details.

March megastorm: Blizzard, dangerous winds. Get the forecast.

Herculaneum, MO

60°F

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Herculaneum, MO Weather

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Winter Center

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WinterCast

Little to no accumulation

Sun, 3/15, 9:00 PM - Mon, 3/16, 6:00 AM

Snow

5 PM

61°

RealFeel® 52°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

62%

Thunderstorms

Severe Thunderstorm Warning

4:28 PM Sunday - 5:15 PM Sunday

Tornado Watch

1:30 PM Sunday - 8:00 PM Sunday

Wind Advisory

10:00 AM Sunday - 12:00 PM Monday

RealFeel Shade™52°

WindSSW 21 mph

Air QualityPoor

Max UV Index0.4 (Low)

Wind Gusts24 mph

Humidity76%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.03 in

Visibility10 mi

Cloud Ceiling1100 ft

6 PM

55°

RealFeel® 44°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

63%

Thunderstorms

Tornado Watch

1:30 PM Sunday - 8:00 PM Sunday

Wind Advisory

10:00 AM Sunday - 12:00 PM Monday

RealFeel Shade™44°

WindWSW 18 mph

Air QualityPoor

Max UV Index0.2 (Low)

Wind Gusts30 mph

Humidity71%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.03 in

Visibility3 mi

Cloud Ceiling1100 ft

7 PM

50°

RealFeel® 39°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

49%

Cloudy

Tornado Watch

1:30 PM Sunday - 8:00 PM Sunday

Wind Advisory

10:00 AM Sunday - 12:00 PM Monday

RealFeel Shade™39°

WindW 18 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts35 mph

Humidity70%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1100 ft

8 PM

46°

RealFeel® 33°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

61%

Rain

Wind Advisory

10:00 AM Sunday - 12:00 PM Monday

WindW 17 mph

Air QualityFair

Wind Gusts32 mph

Humidity64%

Indoor Humidity43% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.02 in

Visibility6 mi

Cloud Ceiling1400 ft

9 PM

40°

RealFeel® 26°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

54%

Flurries

Wind Advisory

10:00 AM Sunday - 12:00 PM Monday

WindW 20 mph

Air QualityFair

Wind Gusts28 mph

Humidity72%

Indoor Humidity41% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snowtrace

Visibility10 mi

Cloud Ceiling1800 ft

10 PM

38°

RealFeel® 19°

Very Cold

RealFeel Guide

Very Cold

10° to 24°

Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.

62%

Rain and snow

Wind Advisory

10:00 AM Sunday - 12:00 PM Monday

WindW 21 mph

Air QualityFair

Wind Gusts25 mph

Humidity74%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.02 in

Snowtrace

Visibility6 mi

Cloud Ceiling2100 ft

11 PM

36°

RealFeel® 20°

Very Cold

RealFeel Guide

Very Cold

10° to 24°

Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.

40%

Cloudy

Wind Advisory

10:00 AM Sunday - 12:00 PM Monday

WindW 21 mph

Air QualityFair

Wind Gusts25 mph

Humidity75%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2100 ft

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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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