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    • Tonight

      Aug 18

      68° Lo
      A late-night t-storm in spots
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Sat

      Aug 19

      91° /67°F
      Sunny much of the time
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Sun

      Aug 20

      94° /70°
      Partly sunny, hot and humid
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Mon

      Aug 21

      91° /76°
      Partly sunny and humid
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Tue

      Aug 22

      89° /68°
      Strong afternoon t-storms
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More

    Day

    91°Hi RealFeel® 99° Precipitation 5%
    Sunny much of the time
    • Winds from the
    • NNW 6 mph
    • Gusts: 9 mph
    • Max UV Index: 11 (Extreme)
    • Thunderstorms: 4%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    67°Lo RealFeel® 66° Precipitation 4%
    Clear
    • Winds from the
    • SE 5 mph
    • Gusts: 8 mph
    • Max UV Index: N/A
    • Thunderstorms: 2%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Saint Louis Pollen Levels Aug 19

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Low

    • Ragweed Pollen

      Moderate

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 8/19/2016
    High 91° 88° N/A 88°
    Low 67° 64° N/A 71°

    Sunrise/Sunset

    • Sunrise: 6:18 AM
    • Sunset: 7:50 PM
    • Duration: 13:32 hr

    Moonrise/Moonset

    • Moonrise: 3:51 AM
    • Moonset: 6:25 PM
    • Duration: 14:34 hr
    Astronomy

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps