Weather Tomorrow for St. Charles, MO

Wednesday, May 20

Day

5/20

66°Hi

RealFeel® 67°

RealFeel Shade™ 65°

Cooler and less humid with sun and areas of high clouds

Max UV Index4.0 (Moderate)

AccuLumen Brightness Index™5 (Medium)

WindNE 8 mph

Wind Gusts15 mph

Probability of Precipitation25%

Probability of Thunderstorms3%

Precipitation0.00 in

Cloud Cover75%

Morning

Afternoon

Night

5/20

54°Lo

RealFeel® 53°

Mostly cloudy

WindENE 6 mph

Wind Gusts10 mph

Probability of Precipitation25%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover90%

Evening

Overnight

Sun & Moon

14 hrs 26 mins

Rise 5:46 AM

Set 8:12 PM

Waxing Crescent

Rise 9:22 AM

Set 12:41 AM

Temperature History

5/20

High

Low

Forecast

66°

54°

Average

78°

59°

Last Year

83°

63°

Record

93°

1902

41°

1981

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Severe storms with damaging winds to focus on central, eastern US

4 hours ago

Weather Forecasts

Northeast temps to crash 25 to 50 F ahead of Memorial Day weekend

5 hours ago

Storm chaser captures towering tornado developing in central Nebraska

1 day ago 0:30

Weather News

Man rescued from Santa Rosa Island; SOS written on charred landscape

5 hours ago

Weather Forecasts

Memorial Day weekend: Downpours, storms from Texas to New England

4 hours ago

Featured Stories

Astronomy

SpaceX poised for first Starship flight test of 2026 following delays

10 hours ago

Weather News

California gray wolf is spotted in Sequoia, marking historic return

5 hours ago

Weather News

India scorched by heat wave, power demand driven to new record

8 hours ago

Severe Weather

10 types of tornadoes that occur in the US

1 day ago

Health

American infected with Ebola in DRC

8 hours ago

St. Charles, MO