• Clouds and sun 90°
    Asthma Current Weather
    • Relative Humidity
      45%
    • Yesterday
      Temp
      87°
    • Pressure
      29.87 inHg
  • Today

    Aug 2

    Hi 92°

    Mostly sunny and humid

    Beneficial weather for asthma
    • Hi
      RealFeel
      97°
    • UV
      7 - Very High
    • Air Qual.
      Good
    Day Details >
  • Tomorrow

    Aug 3

    Hi 91°

    Partly sunny and hot

    Beneficial weather for asthma
    • Hi
      RealFeel
      101°
    • UV
      7 - Very High
    • Air Qual.
      Good
    Day Details >
  • Tuesday

    Aug 4

    Hi 88°

    Clouds and sun with a t-storm

    Neutral weather for asthma
    • Hi
      RealFeel
      101°
    • UV
      5 - High
    • Air Qual.
      Good
    Day Details >
Next

Thunderstorms in the area Tuesday morning through late Wednesday night

8/2 8/3 Now: 4:25pm
PM 4-8
  • 4pm Mostly sunny 92° 0%
  • 5pm Mostly sunny 90° 0%
  • 6pm Mostly sunny 88° 0%
  • 7pm Mostly sunny 85° 0%
  • 8pm Mostly sunny 84° 0%
AM 3-8
  • 3am Mostly clear 73° 0%
  • 4am Mostly clear 73° 0%
  • 5am Mostly clear 72° 0%
  • 6am Mostly clear 71° 0%
  • 7am Mostly sunny 72° 0%
  • 8am Mostly sunny 74° 1%
AM 9-2
  • 9am Mostly sunny 77° 1%
  • 10am Mostly sunny 81° 1%
  • 11am Mostly sunny 84° 1%
  • 12pm Mostly sunny 86° 1%
  • 1pm Mostly sunny 88° 3%
  • 2pm Mostly sunny 89° 7%
Hourly Forecast >
Aug 02, 2015; 3:46 PM ET
Five-day Weather Forecast for St. Louis, MO
St. Louis, MO Weather Forecast

Respiratory Health Live Feed

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The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Sun. Air Quality

Sun. Asthma Risk

Sun. UV Index