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Arctic air to set stage for snow before 2026. Click for the forecast. Chevron right

St. Clair, MO

21°F
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St. Clair, MO Weather
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Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Monday, December 29

Current Weather

8:00 PM

21°F
Mostly cloudy
RealFeel® 14°
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.
LEARN MORE
RealFeel®
14°
Wind
WNW 8 mph
Wind Gusts
16 mph
Humidity
77%
Indoor Humidity
27% (Very Dry)
Dew Point
15° F
Pressure
↑ 30.44 in
Cloud Cover
76%
Visibility
12 mi
Cloud Ceiling
11700 ft

Night

12/29
18°Lo
RealFeel® 1°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
Clear and breezy

WindWNW 15 mph

Wind Gusts31 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover7%

Evening

Overnight

Sun & Moon

9 hrs 32 mins
Rise 7:20 AM
Set 4:52 PM
Waxing Gibbous
Rise 12:37 PM
Set 3:09 AM

Temperature History

12/29
High
Low
Forecast
25°
18°
Average
40°
23°
Last Year
54°
46°

Further Ahead

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World North America United States Missouri St. Clair

Weather Near St. Clair:

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