Saint Louis, Missouri

Last updated: 1:20 PM CDT · Refresh

11°C

Feels like 7°

Mostly Cloudy

▲ 12° / ▼ 2°

Wind

9 mph N

Humidity

67%

Dew Point

6°

Pressure

29.66 inHg

Visibility

10 mi

UV Index

3.9

Cloud Cover

80%

Sunrise

6:32 AM

Sunset

4:55 PM

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WeatherAI™ Analysis

WeatherAI Analysis: Saint Louis is currently mostly cloudy at 11°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:32AM · Sunset: 4:55PM.

24 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

11°

2 PM

12°

3 PM

11°

4 PM

11°

5 PM

9°

6 PM

8°

7 PM

8°

8 PM

7°

9 PM

7°

10 PM

6°

11 PM

5°

12 AM

4°

1 AM

4°

2 AM

4°

3 AM

3°

4 AM

2°

5 AM

2°

6 AM

2°

7 AM

3°

8 AM

4°

9 AM

5°

10 AM

7°

11 AM

7°

12 PM

9°

7-Day Forecast

Today

12° 2°

Mostly Cloudy.

Sat

13° 2°

Partly Cloudy.

Sun

17° 4°

Clear.

Mon

19° 8°

Clear.

Tue

18° 8°

Clear.

Wed

16° 7°

Partly Cloudy with a 41% chance of rain.

Thu

12° 3°

Mostly Cloudy with a 36% chance of rain.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 11° Mostly Cloudy 0% 9 mph N 67%

2 PM 12° Mostly Cloudy 0% 8 mph NNW 66%

3 PM 11° Mostly Cloudy 0% 8 mph NNW 65%

4 PM 11° Partly Cloudy 0% 7 mph NNW 66%

5 PM 9° Partly Cloudy 0% 7 mph N 69%

6 PM 8° Partly Cloudy 0% 6 mph N 73%

7 PM 8° Mostly Clear 0% 5 mph N 76%

8 PM 7° Mostly Clear 0% 4 mph N 78%

9 PM 7° Mostly Clear 0% 4 mph N 80%

10 PM 6° Mostly Clear 0% 4 mph NNW 82%

11 PM 5° Clear 0% 4 mph NNW 84%

12 AM 4° Clear 0% 3 mph NNW 86%

1 AM 4° Clear 0% 3 mph NNW 87%

2 AM 4° Clear 0% 3 mph NW 88%

3 AM 3° Clear 0% 3 mph NW 89%

4 AM 2° Mostly Clear 0% 3 mph NW 89%

5 AM 2° Mostly Clear 0% 3 mph NW 90%

6 AM 2° Mostly Clear 0% 3 mph NW 90%

7 AM 3° Partly Cloudy 0% 3 mph NW 88%

8 AM 4° Partly Cloudy 0% 3 mph NW 85%

9 AM 5° Partly Cloudy 0% 3 mph NW 77%

10 AM 7° Partly Cloudy 0% 4 mph NW 70%

11 AM 7° Partly Cloudy 0% 4 mph NW 65%

12 PM 9° Partly Cloudy 0% 4 mph NW 62%

15-Day Forecast

Today

11/6

Mostly Cloudy

2°

12°

Sat

11/7

Partly Cloudy

2°

13°

Sun

11/8

Clear

4°

17°

Mon

11/9

Clear

8°

19°

Tue

11/10

Clear

8°

18°

Wed

11/11

Partly Cloudy

41%

7°

16°

Thu

11/12

Mostly Cloudy

36%

3°

12°

Fri

11/13

Mostly Cloudy

14%

1°

8°

Sat

11/14

Mostly Clear

25%

-1°

9°

Sun

11/15

Mostly Cloudy

50%

-1°

12°

Mon

11/16

Overcast

87%

4°

14°

Tue

11/17

Drizzle

83%

8°

14°

Wed

11/18

Drizzle

81%

7°

14°

Thu

11/19

Drizzle

70%

7°

13°

Fri

11/20

Drizzle

73%

7°

12°

Good

U.S. Air Quality Index · Dominant: O3

50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

14 AQI 2.5 µg/m³

O₃

Ground-level ozone

Dominant

24 AQI 27 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Sat 24 Good 24 14

Sun 53 Moderate 17 53

Mon 60 Moderate 19 60

About the Air Quality Index

0–50 Good

51–100 Moderate

101–150 Unhealthy for Sensitive Groups

151–200 Unhealthy

201–300 Very Unhealthy

301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Fri Nov 6, 18:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE58 J/kg

MLCAPE17 J/kg

MUCAPE0 J/kg

SBCIN0 J/kg

MLCIN-0 J/kg

Lifted Index11.9

Kinematics

0–6 km Shear17 kt

0–1 km Shear7 kt

Eff. Shear—

0–1 km SRH23

0–3 km SRH40

Eff. SRH—

Storm Motion354° @ 28 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)—

Supercell—

K-Index-19.6

Thermo & Levels

PWAT0.40 in

0–3 km LR2.9 °C/km

700–500 LR7.7 °C/km

Total Totals30.4

LCL925 hPa

LFC1004 hPa

EL845 hPa

Freezing Lvl3,809 ft

Saint Louis, Missouri

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