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150 million in South, East face major snow and ice storm. Get the forecast. Chevron right

Herculaneum, MO

32°F
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Herculaneum

Missouri

32°
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Herculaneum, MO Weather
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Winter Center

Today

 Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Today's Weather

Tue, Jan 20

Decreasing clouds and not as cold Hi: 42°

Tonight: Mostly cloudy Lo: 30°

Current Weather

12:32 PM

32°F
RealFeel® 33°
Sunny More Details
RealFeel Shade™ 27°
Wind S 7 mph
Wind Gusts 12 mph
Air Quality Fair

Looking Ahead

A cold wave from Friday into Sunday

Herculaneum Weather Radar

Herculaneum Weather Radar
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Clouds
Temperature

Hourly Weather

1 PM 38°
rain drop 0%
2 PM 40°
rain drop 0%
3 PM 42°
rain drop 0%
4 PM 40°
rain drop 0%
5 PM 37°
rain drop 0%
6 PM 34°
rain drop 0%
7 PM 32°
rain drop 0%
8 PM 30°
rain drop 0%
9 PM 30°
rain drop 0%
10 PM 31°
rain drop 0%
11 PM 31°
rain drop 0%
12 AM 32°
rain drop 0%

10-Day Weather Forecast

Today

1/20

42° 30°

Not as cold

Night: Mostly cloudy
1%

Wed

1/21

46° 23°

Partly sunny

Mainly clear
3%

Thu

1/22

38° 10°

Sun and areas of high clouds

Clouds breaking; colder
4%

Fri

1/23

17° 0°

Colder; breezy in the morning

Cloudy and bitterly cold
8%

Sat

1/24

12° 5°

Cloudy, snow possible; cold

Very cold with a little snow
35%

Sun

1/25

19° 9°

Cold with snow

Mostly cloudy and frigid
72%

Mon

1/26

25° 12°

Mainly cloudy and cold

Partly cloudy and cold
25%

Tue

1/27

36° 17°

Rather cloudy

Partly cloudy
0%

Wed

1/28

29° 8°

Colder with sunny intervals

Mainly clear; bitterly cold
6%

Thu

1/29

25° 17°

Cold with some sun

Mainly clear
1%

Sun & Moon

9 hrs 56 mins
Rise 7:15 AM
Set 5:11 PM
Waxing Crescent
Rise 8:31 AM
Set 7:14 PM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

See All
Tree Pollen Low Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander Extreme Data is not supported in this location

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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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