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    • Early AM

      Jul 22

      72° Lo
      A couple of heavy thunderstorms
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Today

      Jul 22

      86° /72°
      Some rain and a thunderstorm
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sun

      Jul 23

      89° /64°F
      Partial sunshine
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Mon

      Jul 24

      75° /62°
      Partly sunny and cooler
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Jul 25

      82° /69°
      Mostly sunny; low humidity
      • Low
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    89°Hi RealFeel® 97° Precipitation 7%
    Sun and some clouds; less humid in the afternoon
    • Winds from the
    • NW 9 mph
    • Gusts: 13 mph
    • Max UV Index: 7 (High)
    • Thunderstorms: 20%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    64°Lo RealFeel® 63° Precipitation 8%
    Clear
    • Winds from the
    • N 7 mph
    • Gusts: 12 mph
    • Max UV Index: N/A
    • Thunderstorms: 23%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Prospect Heights Pollen Levels Jul 23

    • 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 7/23/2016
    High 89° 84° N/A 91°
    Low 64° 64° N/A 69°

    Sunrise/Sunset

    • Sunrise: 5:36 AM
    • Sunset: 8:20 PM
    • Duration: 14:44 hr

    Moonrise/Moonset

    • Moonrise: 5:52 AM
    • Moonset: 8:34 PM
    • Duration: 14:42 hr
    Astronomy

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps