Current Weather Forecast for Saint Charles

MO 63302  |   11:10am

Weather Conditions

89°

Feels Like 100°

Partly Cloudy

77° 94° EXTREME HEAT

EXTREME HEAT

7

UV Index

Moderate

Air Quality

S 10 mph

Wind

0 in

rain

Today

Mon 6/29

94°

Highest Temperature

1%

Sun and clouds mixed. Hot and humid. High 94F. Winds S at 10 to 20 mph.

Tonight

Mon 6/29

76°

Lowest Temperature

6%

Partly cloudy skies. Low 76F. Winds SSW at 10 to 15 mph.

Tomorrow

Tue 6/30

98°

Highest Temperature

4%

Sunny. Hot and humid. High 98F. Winds SW at 10 to 15 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Saint Charles

Hourly Weather Forecast & Temperature

12PM

1%

90°

Feels Like 101°

EXTREME HEAT

Partly Cloudy

SSW 11 mph

Wind

1013 mb

Pressure

60%

Humidity

9

UV Index

10mi

Visibility

49%

Cloud Cover

1PM

92°

Feels Like 103°

EXTREME HEAT

Partly Cloudy

SSW 12 mph

Wind

1013 mb

Pressure

57%

Humidity

9

UV Index

10mi

Visibility

55%

Cloud Cover

2PM

93°

Feels Like 104°

EXTREME HEAT

Partly Cloudy

S 12 mph

Wind

1013 mb

Pressure

55%

Humidity

9

UV Index

10mi

Visibility

36%

Cloud Cover

3PM

93°

Feels Like 103°

EXTREME HEAT

Partly Cloudy

S 13 mph

Wind

1012 mb

Pressure

52%

Humidity

7

UV Index

10mi

Visibility

51%

Cloud Cover

4PM

93°

Feels Like 103°

EXTREME HEAT

Partly Cloudy

S 13 mph

Wind

1012 mb

Pressure

52%

Humidity

5

UV Index

10mi

Visibility

45%

Cloud Cover

5PM

93°

Feels Like 102°

EXTREME HEAT

Partly Cloudy

SSW 13 mph

Wind

1012 mb

Pressure

52%

Humidity

3

UV Index

10mi

Visibility

32%

Cloud Cover

6PM

1%

92°

Feels Like 102°

EXTREME HEAT

Partly Cloudy

S 13 mph

Wind

1012 mb

Pressure

54%

Humidity

1

UV Index

10mi

Visibility

40%

Cloud Cover

7PM

91°

Feels Like 102°

EXTREME HEAT

Partly Cloudy

S 12 mph

Wind

1012 mb

Pressure

56%

Humidity

0

UV Index

10mi

Visibility

50%

Cloud Cover

8PM

1%

90°

Feels Like 100°

EXTREME HEAT

Mostly Cloudy

S 11 mph

Wind

1012 mb

Pressure

61%

Humidity

0

UV Index

10mi

Visibility

63%

Cloud Cover

9PM

2%

88°

Feels Like 98°

EXTREME HEAT

Partly Cloudy

S 10 mph

Wind

1013 mb

Pressure

66%

Humidity

0

UV Index

10mi

Visibility

45%

Cloud Cover

10PM

3%

86°

Feels Like 95°

EXTREME HEAT

Clear

S 9 mph

Wind

1013 mb

Pressure

70%

Humidity

0

UV Index

10mi

Visibility

18%

Cloud Cover

11PM

3%

85°

Feels Like 93°

EXTREME HEAT

Clear

SSW 9 mph

Wind

1013 mb

Pressure

72%

Humidity

0

UV Index

10mi

Visibility

16%

Cloud Cover

Mon 6/29

Mon

1%

77°

94°

EXTREME HEAT

Mix of sun and clouds. Highs in the mid 90s and lows in the mid 70s.

105°

Feels Like

S 14 mph

Wind

55%

Humidity

9

UV Index

5:39 AM

Sunrise

8:31 PM

Sunset

Tue 6/30

Tue

4%

76°

98°

EXTREME HEAT

Sunshine. Highs in the upper 90s and lows in the upper 70s.

104°

Feels Like

SW 11 mph

Wind

54%

Humidity

9

UV Index

5:40 AM

Sunrise

8:31 PM

Sunset

Wed 7/1

Wed

3%

77°

97°

EXTREME HEAT

Sunshine. Highs in the upper 90s and lows in the upper 70s.

105°

Feels Like

SSW 10 mph

Wind

55%

Humidity

10

UV Index

5:40 AM

Sunrise

8:31 PM

Sunset

Thu 7/2

Thu

24%

79°

96°

EXTREME HEAT

A few clouds. Highs in the mid 90s and lows in the upper 70s.

106°

Feels Like

SSW 8 mph

Wind

58%

Humidity

10

UV Index

5:41 AM

Sunrise

8:31 PM

Sunset

Fri 7/3

Fri

37%

78°

95°

EXTREME HEAT

Thunderstorms developing in the afternoon. Highs in the mid 90s and lows in the mid 70s.

105°

Feels Like

SSW 8 mph

Wind

62%

Humidity

9

UV Index

5:41 AM

Sunrise

8:30 PM

Sunset

Sat 7/4

Sat

32%

76°

93°

Isolated thunderstorms. Highs in the low 90s and lows in the mid 70s.

101°

Feels Like

SW 6 mph

Wind

62%

Humidity

10

UV Index

5:42 AM

Sunrise

8:30 PM

Sunset

Sun 7/5

Sun

45%

74°

89°

Thunderstorms developing in the afternoon. Highs in the low 90s and lows in the low 70s.

96°

Feels Like

WSW 7 mph

Wind

68%

Humidity

9

UV Index

5:42 AM

Sunrise

8:30 PM

Sunset

Mon 7/6

Mon

24%

72°

88°

Times of sun and clouds. Highs in the upper 80s and lows in the low 70s.

92°

Feels Like

NW 8 mph

Wind

64%

Humidity

10

UV Index

5:43 AM

Sunrise

8:30 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Latest Stories from Missouri

Life-threatening heat dome to roast over 230 million ahead of America's 250th birthday

Temperatures in the 90s are spreading across the Midwest and will reach the East Coast by midweek, when it will feel like 100 to 110 degrees for tens of millions of people as a potentially record-setting heat dome expands eastward ahead of America's 250th birthday.

4 dead as flash flooding slams Kentucky, triggering emergencies and evacuations

Thunderstorms and flash flooding are threatening the first half of the weekend for millions across parts of the Ohio Valley and East Coast. Those with outdoor plans could be dodging showers on both Saturday and Sunday ahead of a return to 90-degree weather by the middle of next week.

Millions in the Central US brace for flash flood threat spanning 700+ miles amid relentless tropical downpours

Millions of Americans across the Central and Southern U.S. continue to brace for repeated rounds of tropical downpours through the end of the workweek, prompting flash flood threats.

Deadly tornado outbreak slams Illinois, leaving a path of destruction amid ongoing severe weather threat

A violent tornado outbreak struck the Plains on Sunday, bringing a destructive mix of hail, fierce winds, and damaging tornadoes. The severe weather triggered widespread destruction across the region, completely leveling multiple homes and causing fatalities.

Load More Stories