St. Charles, MO

Hourly

4 PM

83° 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 15% Partly sunny

• RealFeel Shade™: 87°
• Wind: E 6 mph
• Air Quality: Fair
• Max UV Index: 3 (Moderate)
• Wind Gusts: 7 mph
• Humidity: 66%
• Indoor Humidity: 66% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 46%
• Visibility: 10 mi
• Cloud Ceiling: 7100 ft

5 PM

83° RealFeel® 89° 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 51% Partly sunny w/ t-storms

• RealFeel Shade™: 87°
• Wind: E 6 mph
• Air Quality: Fair
• Max UV Index: 2 (Low)
• Wind Gusts: 7 mph
• Humidity: 73%
• Indoor Humidity: 73% (Extremely Humid)
• Dew Point: 74° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 46%
• Rain: 0.05 in
• Visibility: 5 mi
• Cloud Ceiling: 4000 ft

6 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% Partly sunny

• RealFeel Shade™: 87°
• Wind: E 6 mph
• Air Quality: Fair
• Max UV Index: 2 (Low)
• Wind Gusts: 7 mph
• Humidity: 67%
• Indoor Humidity: 67% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 46%
• Visibility: 10 mi
• Cloud Ceiling: 22400 ft

7 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 33% Partly sunny

• RealFeel Shade™: 86°
• Wind: E 6 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 8 mph
• Humidity: 70%
• Indoor Humidity: 70% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 46%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

79° RealFeel® 84° 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 11% Intermittent clouds

• RealFeel Shade™: 84°
• Wind: ESE 6 mph
• Air Quality: Fair
• Max UV Index: 0 (Low)
• Wind Gusts: 10 mph
• Humidity: 76%
• Indoor Humidity: 76% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

78° RealFeel® 83° 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 11% Intermittent clouds

• Wind: E 6 mph
• Air Quality: Fair
• Wind Gusts: 10 mph
• Humidity: 81%
• Indoor Humidity: 81% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 73%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

76° RealFeel® 81° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 11% Cloudy

• Wind: E 5 mph
• Air Quality: Fair
• Wind Gusts: 9 mph
• Humidity: 86%
• Indoor Humidity: 86% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 90%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

74° RealFeel® 79° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 11% Mostly cloudy

• Wind: ESE 5 mph
• Air Quality: Fair
• Wind Gusts: 9 mph
• Humidity: 91%
• Indoor Humidity: 91% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 87%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft