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    • Early AM

      Aug 21

      70° Lo
      A shower or thunderstorm
      • 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
    • Today

      Aug 21

      87° /71°F
      Partly sunny with a t-storm
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
    • Tue

      Aug 22

      80° /58°
      A couple of morning t-storms
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Wed

      Aug 23

      75° /57°
      Sunny and pleasant
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Aug 24

      72° /56°
      Partly sunny and beautiful
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More

    Day

    87°Hi RealFeel® 96° Precipitation 56%
    Partial sunshine with a shower or thunderstorm around; warm and muggy
    • Winds from the
    • SW 7 mph
    • Gusts: 10 mph
    • Max UV Index: 10 (Extreme)
    • Thunderstorms: 40%
    • Precipitation: 0.15 in
    • Rain: 0.15 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1.5 hrs
    • Hours of Rain: 1.5 hrs

    Night

    71°Lo RealFeel® 69° Precipitation 66%
    A couple of drenching thunderstorms; humid with plenty of clouds; thunderstorms may be severe
    • Winds from the
    • SW 7 mph
    • Gusts: 10 mph
    • Max UV Index: N/A
    • Thunderstorms: 60%
    • Precipitation: 0.84 in
    • Rain: 0.84 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 4 hrs
    • Hours of Rain: 4 hrs

    Prospect Heights Pollen Levels Aug 21

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

      Low

    • Ragweed Pollen

      High

    • Mold

      High

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 8/21/2016
    High 87° 82° N/A 75°
    Low 71° 63° N/A 58°

    Sunrise/Sunset

    • Sunrise: 6:04 AM
    • Sunset: 7:45 PM
    • Duration: 13:41 hr

    Moonrise/Moonset

    • Moonrise: 4:40 AM
    • Moonset: 7:10 PM
    • Duration: 14:30 hr
    Astronomy

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps