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Severe thunderstorms to rumble across the central, eastern US this week. Click for the forecast. Chevron right

Lake Saint Louis, MO

72°F
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Lake Saint Louis

Missouri

72°
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Lake Saint Louis, MO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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5 PM

74°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™72°

WindSSW 15 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts27 mph

Humidity69%

Indoor Humidity69% (Humid)

Dew Point64° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling17900 ft

6 PM

72°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™69°

WindSSW 14 mph

Air QualityExcellent

Max UV Index0.6 (Low)

Wind Gusts23 mph

Humidity71%

Indoor Humidity71% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling21100 ft

7 PM

69°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 61%
Chevron down
Thunderstorms

RealFeel Shade™62°

WindSSW 13 mph

Air QualityExcellent

Max UV Index0.2 (Low)

Wind Gusts21 mph

Humidity88%

Indoor Humidity88% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.27 in

Visibility3 mi

Cloud Ceiling24300 ft

8 PM

72°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindSSW 14 mph

Air QualityExcellent

Wind Gusts24 mph

Humidity79%

Indoor Humidity79% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling21100 ft

9 PM

71°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindSSW 14 mph

Air QualityExcellent

Wind Gusts22 mph

Humidity78%

Indoor Humidity78% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling17900 ft

10 PM

70°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 58%
Chevron down
Thunderstorms

WindSSW 14 mph

Air QualityExcellent

Wind Gusts16 mph

Humidity84%

Indoor Humidity84% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.25 in

Visibility3 mi

Cloud Ceiling2000 ft

11 PM

69°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 54%
Chevron down
Thunderstorms

WindSSW 14 mph

Air QualityExcellent

Wind Gusts17 mph

Humidity84%

Indoor Humidity84% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2000 ft

Hourly Weather Forecast for Lake St. Louis

AccuWeather's hourly forecast for Lake St. Louis provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 74° with a RealFeel® of 72°, cloudy with a 49% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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World North America United States Missouri Lake Saint Louis

Weather Near Lake Saint Louis:

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