Current Weather Forecast for Saint Charles

MO 63302  |   2:04am

Weather Conditions

28°

Feels Like 18°

Mostly Cloudy

11° 34°

0

UV Index

Good

Air Quality

NW 11 mph

Wind

0 in

snow

Tonight

Sun 1/18

10°

Lowest Temperature

11%

Partly cloudy. Low around 10F. Winds NW at 10 to 20 mph.

Tomorrow

Mon 1/19

21°

Highest Temperature

Some clouds in the morning will give way to mainly sunny skies for the afternoon. High 21F. Winds WNW at 10 to 20 mph.

Tomorrow night

Mon 1/19

10°

Lowest Temperature

Mostly clear skies in the evening then becoming cloudy overnight. Cold. Low near 10F. Winds light and variable.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Saint Charles

Hourly Weather Forecast & Temperature

3AM

4%

24°

Feels Like 12°

Partly Cloudy

NW 14 mph

Wind

1024 mb

Pressure

52%

Humidity

0

UV Index

10mi

Visibility

47%

Cloud Cover

4AM

22°

Feels Like 9°

Mostly Clear

NW 15 mph

Wind

1025 mb

Pressure

50%

Humidity

0

UV Index

10mi

Visibility

24%

Cloud Cover

5AM

17°

Feels Like 2°

Clear

NW 16 mph

Wind

1026 mb

Pressure

50%

Humidity

0

UV Index

10mi

Visibility

14%

Cloud Cover

6AM

15°

Feels Like -1°

Clear

NW 16 mph

Wind

1028 mb

Pressure

50%

Humidity

0

UV Index

10mi

Visibility

17%

Cloud Cover

7AM

13°

Feels Like -4°

Mostly Clear

NW 16 mph

Wind

1029 mb

Pressure

52%

Humidity

0

UV Index

10mi

Visibility

20%

Cloud Cover

8AM

11°

Feels Like -6°

Partly Cloudy

NW 16 mph

Wind

1030 mb

Pressure

52%

Humidity

0

UV Index

10mi

Visibility

30%

Cloud Cover

9AM

13°

Feels Like -4°

Partly Cloudy

NW 16 mph

Wind

1031 mb

Pressure

47%

Humidity

1

UV Index

10mi

Visibility

35%

Cloud Cover

10AM

15°

Feels Like -1°

Partly Cloudy

NW 15 mph

Wind

1033 mb

Pressure

41%

Humidity

1

UV Index

10mi

Visibility

37%

Cloud Cover

11AM

17°

Feels Like 2°

Partly Cloudy

WNW 15 mph

Wind

1033 mb

Pressure

38%

Humidity

2

UV Index

10mi

Visibility

34%

Cloud Cover

12PM

18°

Feels Like 4°

Mostly Sunny

WNW 14 mph

Wind

1033 mb

Pressure

36%

Humidity

2

UV Index

10mi

Visibility

26%

Cloud Cover

1PM

19°

Feels Like 5°

Sunny

WNW 14 mph

Wind

1032 mb

Pressure

34%

Humidity

2

UV Index

10mi

Visibility

4%

Cloud Cover

2PM

19°

Feels Like 6°

Sunny

WNW 13 mph

Wind

1031 mb

Pressure

33%

Humidity

2

UV Index

10mi

Visibility

3%

Cloud Cover

Sun 1/18

Sun

11%

11°

34°

Partly cloudy. Lows overnight in the low teens.

-2°

Feels Like

NW 16 mph

Wind

51%

Humidity

0

UV Index

7:17 AM

Sunrise

5:07 PM

Sunset

Mon 1/19

Mon

10°

31°

Partly cloudy. Highs in the low 20s and lows in the low teens.

-6°

Feels Like

WNW 16 mph

Wind

40%

Humidity

2

UV Index

7:17 AM

Sunrise

5:09 PM

Sunset

Tue 1/20

Tue

10°

37°

Mix of sun and clouds. Highs in the upper 30s and lows in the low 30s.

5°

Feels Like

S 8 mph

Wind

45%

Humidity

2

UV Index

7:16 AM

Sunrise

5:10 PM

Sunset

Wed 1/21

Wed

2%

31°

43°

Mix of sun and clouds. Highs in the low 40s and lows in the low 20s.

25°

Feels Like

W 13 mph

Wind

51%

Humidity

2

UV Index

7:16 AM

Sunrise

5:11 PM

Sunset

Thu 1/22

Thu

1%

21°

37°

Times of sun and clouds. Highs in the upper 30s and lows in the mid teens.

15°

Feels Like

NW 6 mph

Wind

47%

Humidity

2

UV Index

7:15 AM

Sunrise

5:12 PM

Sunset

Fri 1/23

Fri

20%

5°

27°

Cloudy. Highs in the upper teens and lows in the low single digits.

0°

Feels Like

NNE 13 mph

Wind

33%

Humidity

1

UV Index

7:15 AM

Sunrise

5:13 PM

Sunset

Sat 1/24

Sat

24%

1°

15°

Mostly cloudy. Highs in the mid teens and lows -2 to 2F.

-14°

Feels Like

N 12 mph

Wind

48%

Humidity

2

UV Index

7:14 AM

Sunrise

5:14 PM

Sunset

Sun 1/25

Sun

3%

0°

20°

More sun than clouds. Highs in the low 20s and lows in the low teens.

-9°

Feels Like

WNW 8 mph

Wind

58%

Humidity

3

UV Index

7:13 AM

Sunrise

5:15 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

Tornadoes confirmed in Georgia and Mississippi after severe weather, flash flooding slam the South

Multiple tornadoes touched down in Mississippi and Georgia during severe storms on Friday and Saturday, causing damage in their path, according to the National Weather Service.

Pair of cross-country storms to bring rain, snow and severe weather threat to millions by late week

Two cross-country storms are expected to bring rain to millions across more than 30 states beginning Thursday, packing a severe weather threat for the Deep South and the potential for snow from the higher elevations of the Four Corners through the Central Plains and Upper Midwest.

Looking back: Extreme weather and disasters that made 2025 a year to remember

In 2025, extreme weather and natural disasters delivered earth-shattering, heart-stopping moments that were chronicled on FOX Weather, as they happened. Each month packed a punch in a unique way. Records were shattered, droughts ended, and the sky illuminated in a vibrant splash of color in an unforgettable year.

Major storm to slam Midwest with vicious winds, blizzard conditions before sweeping into the Northeast

Just after a strong winter storm blanketed areas of the Northeast in snow, another fast-moving system will bring a mixture of rain and snow blended with a blast of arctic air that will usher in below-average temperatures along much of the East Coast to start off the New Year.

Load More Stories