St. Charles, MO

Hourly

5 PM

87° RealFeel® 94° 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 43% Mostly sunny

• RealFeel Shade™: 90°
• Wind: NW 8 mph
• Air Quality: Fair
• Max UV Index: 3 (Moderate)
• Wind Gusts: 18 mph
• Humidity: 58%
• Indoor Humidity: 58% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 20%
• Visibility: 10 mi
• Cloud Ceiling: 33500 ft

6 PM

86° 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 47% Mostly sunny

• RealFeel Shade™: 89°
• Wind: NW 8 mph
• Air Quality: Fair
• Max UV Index: 2 (Low)
• Wind Gusts: 18 mph
• Humidity: 60%
• Indoor Humidity: 60% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 10%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

7 PM

84° RealFeel® 86° 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™: 84°
• Wind: NW 7 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 17 mph
• Humidity: 66%
• Indoor Humidity: 66% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 7 (Bright)
• Cloud Cover: 12%
• Rain: 0.05 in
• Visibility: 5 mi
• Cloud Ceiling: 30000 ft

8 PM

81° RealFeel® 82° 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™: 82°
• Wind: NW 7 mph
• Air Quality: Fair
• Max UV Index: 0 (Low)
• Wind Gusts: 15 mph
• Humidity: 71%
• Indoor Humidity: 71% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 1 (Dark)
• Cloud Cover: 28%
• Rain: 0.04 in
• Visibility: 6 mi
• Cloud Ceiling: 30000 ft

9 PM

80° 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 47% Intermittent clouds

• Wind: WNW 6 mph
• Air Quality: Fair
• Wind Gusts: 13 mph
• Humidity: 73%
• Indoor Humidity: 73% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 4000 ft

10 PM

77° RealFeel® 81° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 39% Intermittent clouds

• Wind: WNW 5 mph
• Air Quality: Fair
• Wind Gusts: 12 mph
• Humidity: 79%
• Indoor Humidity: 79% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 60%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

75° RealFeel® 78° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 29% Intermittent clouds

• Wind: NW 4 mph
• Air Quality: Fair
• Wind Gusts: 10 mph
• Humidity: 85%
• Indoor Humidity: 85% (Very Humid)
• Dew Point: 70° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 73%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft