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    • Today

      Sep 19

      92° /73°F
      A shower and t-storm around
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • High
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: High
      • Tree Pollen: Low
    • Thu

      Sep 20

      94° /75°
      Sunny to partly cloudy
      • High
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Fri

      Sep 21

      87° /59°
      A thunderstorm in spots
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sat

      Sep 22

      75° /58°
      Cloudy; not as warm
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sun

      Sep 23

      79° /62°
      Sunshine, a passing shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    92°Hi RealFeel® 99° Precipitation 55%
    Sunshine and some clouds, hot, humid; a couple of afternoon showers and a thunderstorm
    • Winds from the
    • S 6 mph
    • Gusts: 13 mph
    • Max UV Index: 5 (Moderate)
    • Thunderstorms: 40%
    • Precipitation: 0.04 in
    • Rain: 0.04 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 1 hrs

    Night

    73°Lo RealFeel® 77° Precipitation 21%
    Patchy clouds; warm and humid
    • Winds from the
    • SSE 5 mph
    • Gusts: 7 mph
    • Max UV Index: N/A
    • Thunderstorms: 18%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    St. Louis Pollen Levels Sep 19

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

      Low

    • Ragweed Pollen

      High

    • Mold

      High

    • Grass Pollen

      Moderate

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/19/2017
    High 92° 79° N/A 92°
    Low 73° 54° N/A 65°

    Sunrise/Sunset

    • Sunrise: 6:46 AM
    • Sunset: 7:03 PM
    • Duration: 12:17 hr

    Moonrise/Moonset

    • Moonrise: 4:17 PM
    • Moonset: 2:22 AM
    • Duration: 10:05 hr
    Astronomy

    Wed. Pollen

    Wed. Dust & Dander

    Wed. Wind Maps