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    • Early AM

      Dec 17

      29° Lo
      Areas of fog
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Today

      Dec 17

      42° /36°F
      Areas of fog this morning
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Mon

      Dec 18

      45° /38°
      Times of clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Dec 19

      49° /25°
      Breezy with sunny intervals
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Dec 20

      37° /28°
      Partly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    42°Hi RealFeel® 43° Precipitation 25%
    Areas of morning fog; otherwise, mostly cloudy
    • Winds from the
    • SSE 6 mph
    • Gusts: 9 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    36°Lo RealFeel® 33° Precipitation 25%
    Low clouds; patchy late-night fog
    • Winds from the
    • WSW 6 mph
    • Gusts: 8 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • 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 Dec 17

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

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 12/17/2016
    High 42° 34° N/A 22°
    Low 36° 20° N/A 18°

    Sunrise/Sunset

    • Sunrise: 7:14 AM
    • Sunset: 4:21 PM
    • Duration: 9:07 hr

    Moonrise/Moonset

    • Moonrise: 6:25 AM
    • Moonset: 4:19 PM
    • Duration: 9:54 hr
    Astronomy

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps