St. Charles, MO

Hourly

1 PM

86° 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 0% Sunny

• RealFeel Shade™: 83°
• Wind: NNW 9 mph
• Air Quality: Fair
• Max UV Index: 11 (Extreme)
• Wind Gusts: 16 mph
• Humidity: 46%
• Indoor Humidity: 46% (Humid)
• Dew Point: 63° F
• AccuLumen Brightness Index™: 10 (Very Bright)
• Cloud Cover: 0%
• Visibility: 10 mi
• Cloud Ceiling: 33300 ft

2 PM

87° 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 0% Sunny

• RealFeel Shade™: 84°
• Wind: NNW 10 mph
• Air Quality: Fair
• Max UV Index: 10 (Very High)
• Wind Gusts: 17 mph
• Humidity: 45%
• Indoor Humidity: 45% (Humid)
• Dew Point: 63° F
• AccuLumen Brightness Index™: 10 (Very Bright)
• Cloud Cover: 0%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

3 PM

87° 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 0% Sunny

• RealFeel Shade™: 85°
• Wind: NNW 10 mph
• Air Quality: Fair
• Max UV Index: 8 (Very High)
• Wind Gusts: 17 mph
• Humidity: 45%
• Indoor Humidity: 45% (Humid)
• Dew Point: 63° F
• AccuLumen Brightness Index™: 10 (Very Bright)
• Cloud Cover: 1%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

4 PM

87° 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 0% Sunny

• RealFeel Shade™: 84°
• Wind: NNW 10 mph
• Air Quality: Fair
• Max UV Index: 5 (Moderate)
• Wind Gusts: 18 mph
• Humidity: 45%
• Indoor Humidity: 45% (Humid)
• Dew Point: 63° F
• AccuLumen Brightness Index™: 10 (Very Bright)
• Cloud Cover: 1%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

5 PM

86° 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 0% Sunny

• RealFeel Shade™: 84°
• Wind: NNW 9 mph
• Air Quality: Fair
• Max UV Index: 3 (Moderate)
• Wind Gusts: 16 mph
• Humidity: 47%
• Indoor Humidity: 47% (Humid)
• Dew Point: 63° F
• AccuLumen Brightness Index™: 10 (Very Bright)
• Cloud Cover: 1%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

6 PM

85° 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 0% Sunny

• RealFeel Shade™: 83°
• Wind: NNW 8 mph
• Air Quality: Fair
• Max UV Index: 2 (Low)
• Wind Gusts: 14 mph
• Humidity: 49%
• Indoor Humidity: 49% (Humid)
• Dew Point: 64° F
• AccuLumen Brightness Index™: 10 (Very Bright)
• Cloud Cover: 0%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

7 PM

83° 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 0% Sunny

• RealFeel Shade™: 82°
• Wind: NNW 7 mph
• Air Quality: Fair
• Max UV Index: 1 (Low)
• Wind Gusts: 12 mph
• Humidity: 52%
• Indoor Humidity: 52% (Humid)
• Dew Point: 64° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 0%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

80° RealFeel® 79° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly sunny

• RealFeel Shade™: 79°
• Wind: NNW 7 mph
• Air Quality: Fair
• Max UV Index: 0 (Low)
• Wind Gusts: 9 mph
• Humidity: 59%
• Indoor Humidity: 59% (Humid)
• Dew Point: 64° F
• AccuLumen Brightness Index™: 2 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

77° RealFeel® 76° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly clear

• Wind: NW 6 mph
• Air Quality: Fair
• Wind Gusts: 8 mph
• Humidity: 66%
• Indoor Humidity: 66% (Humid)
• Dew Point: 65° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

74° RealFeel® 73° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly clear

• Wind: WNW 5 mph
• Air Quality: Fair
• Wind Gusts: 8 mph
• Humidity: 73%
• Indoor Humidity: 73% (Humid)
• Dew Point: 65° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

71° RealFeel® 71° Pleasant RealFeel Guide Pleasant 63° to 81° Most consider this temperature range ideal. LEARN MORE 0% Mostly clear

• Wind: WNW 5 mph
• Air Quality: Fair
• Wind Gusts: 8 mph
• Humidity: 80%
• Indoor Humidity: 80% (Humid)
• Dew Point: 65° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft