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St. Charles, MO

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St. Charles, MO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center

Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Sunday, June 21

Day

6/21
80°Hi
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
RealFeel Shade™ 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
Cloudy; humid with a couple of heavy thunderstorms; storms can bring downpours, damaging winds and even an isolated tornado
alerts

Flood Watch

7:00 AM Sunday - 1:00 AM Monday

Max UV Index3.0 (Moderate)

AccuLumen Brightness Index™1 (Dark)

WindSSW 9 mph

Wind Gusts23 mph

Probability of Precipitation98%

Probability of Thunderstorms88%

Precipitation0.62 in

Rain0.62 in

Hours of Precipitation4

Hours of Rain4

Cloud Cover99%

Morning

Afternoon

Night

6/21
64°Lo
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Cloudy and humid; periods of rain and a thunderstorm in the evening followed by a thunderstorm in spots late
alerts

Flood Watch

7:00 AM Sunday - 1:00 AM Monday

WindNW 8 mph

Wind Gusts18 mph

Probability of Precipitation93%

Probability of Thunderstorms56%

Precipitation0.16 in

Rain0.16 in

Hours of Precipitation2

Hours of Rain2

Cloud Cover96%

Evening

Overnight

Sun & Moon

14 hrs 53 mins
Rise 5:37 AM
Set 8:30 PM
First Quarter
Rise 12:58 PM
Set 12:58 AM

Temperature History

6/21
High
Low
Forecast
80°
64°
Average
87°
69°
Last Year
96°
80°
Record
99°
1988
49°
1961

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World North America United States Missouri St. Charles

Weather Near St. Charles:

  • O'Fallon, MO
  • Springfield, IL
  • St. Louis, MO
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