St. Charles, MO

Hourly

1 PM

84° RealFeel® 91° 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 54% Thunderstorms

• RealFeel Shade™: 88°
• Wind: N 6 mph
• Air Quality: Fair
• Max UV Index: 3 (Moderate)
• Wind Gusts: 9 mph
• Humidity: 73%
• Indoor Humidity: 73% (Extremely Humid)
• Dew Point: 74° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 97%
• Rain: 0.05 in
• Visibility: 4 mi
• Cloud Ceiling: 5900 ft

2 PM

84° RealFeel® 92° 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 47% Thunderstorms

• RealFeel Shade™: 88°
• Wind: ENE 6 mph
• Air Quality: Poor
• Max UV Index: 2 (Low)
• Wind Gusts: 6 mph
• Humidity: 70%
• Indoor Humidity: 70% (Extremely Humid)
• Dew Point: 73° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 94%
• Visibility: 10 mi
• Cloud Ceiling: 2500 ft

3 PM

83° RealFeel® 90° 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 47% Cloudy

• RealFeel Shade™: 87°
• Wind: ENE 6 mph
• Air Quality: Poor
• Max UV Index: 2 (Low)
• Wind Gusts: 6 mph
• Humidity: 69%
• Indoor Humidity: 69% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 92%
• Visibility: 10 mi
• Cloud Ceiling: 2200 ft

4 PM

82° 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 49% Cloudy

• RealFeel Shade™: 86°
• Wind: E 5 mph
• Air Quality: Poor
• Max UV Index: 1 (Low)
• Wind Gusts: 6 mph
• Humidity: 71%
• Indoor Humidity: 71% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 90%
• Visibility: 10 mi
• Cloud Ceiling: 2000 ft

5 PM

80° RealFeel® 80° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 75% Thunderstorms

• RealFeel Shade™: 80°
• Wind: E 6 mph
• Air Quality: Poor
• Max UV Index: 1 (Low)
• Wind Gusts: 7 mph
• Humidity: 75%
• Indoor Humidity: 75% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 92%
• Rain: 0.29 in
• Visibility: 3 mi
• Cloud Ceiling: 2000 ft

6 PM

78° RealFeel® 77° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 75% Thunderstorms

• RealFeel Shade™: 77°
• Wind: ESE 6 mph
• Air Quality: Fair
• Max UV Index: 0 (Low)
• Wind Gusts: 7 mph
• Humidity: 80%
• Indoor Humidity: 80% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 94%
• Rain: 0.29 in
• Visibility: 3 mi
• Cloud Ceiling: 2000 ft

7 PM

76° RealFeel® 80° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 49% Cloudy

• RealFeel Shade™: 80°
• Wind: ESE 6 mph
• Air Quality: Fair
• Max UV Index: 0 (Low)
• Wind Gusts: 7 mph
• Humidity: 85%
• Indoor Humidity: 85% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 94%
• Visibility: 10 mi
• Cloud Ceiling: 7100 ft

8 PM

75° RealFeel® 79° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 20% Partly sunny

• RealFeel Shade™: 79°
• Wind: NE 6 mph
• Air Quality: Fair
• Max UV Index: 0 (Low)
• Wind Gusts: 7 mph
• Humidity: 84%
• Indoor Humidity: 84% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

74° RealFeel® 78° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 20% Partly cloudy

• Wind: ENE 5 mph
• Air Quality: Fair
• Wind Gusts: 7 mph
• Humidity: 86%
• Indoor Humidity: 86% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

73° RealFeel® 76° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 20% Partly cloudy

• Wind: NE 5 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 89%
• Indoor Humidity: 89% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

72° RealFeel® 75° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 20% Partly cloudy

• Wind: NE 5 mph
• Air Quality: Fair
• Wind Gusts: 6 mph
• Humidity: 91%
• Indoor Humidity: 91% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft