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    • Today

      May 22

      72° /54°F
      Some sun, then clouds; warmer
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Low
      • Tree Pollen: High
    • Tue

      May 23

      66° /50°
      Couple of showers, thunder
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Wed

      May 24

      59° /49°
      Mostly cloudy, showers around
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Thu

      May 25

      65° /46°
      Some sun returning; warmer
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Fri

      May 26

      71° /54°
      A t-storm in the afternoon
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More

    Day

    72°Hi RealFeel® 74° Precipitation 44%
    Some sun, then increasing clouds, breezy and warmer with a shower in spots later this afternoon
    • SW 13 mph
    • Gusts: 25 mph
    • Max UV Index: 7 (High)
    • Thunderstorms: 25%
    • Precipitation: 0.02 in
    • Rain: 0.02 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Night

    54°Lo RealFeel® 52° Precipitation 63%
    Mostly cloudy with a couple of showers and a thunderstorm, mainly early on
    • SW 8 mph
    • Gusts: 16 mph
    • Max UV Index: N/A
    • Thunderstorms: 40%
    • Precipitation: 0.19 in
    • Rain: 0.19 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Grayslake Pollen Levels May 22

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

      High

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      High

    Temperature History

    more Historical Weather Data >
      Today Normal Record 5/22/2016
    High 72° 68° N/A 73°
    Low 54° 49° N/A 47°

    Sunrise/Sunset

    • Sunrise: 5:25 AM
    • Sunset: 8:14 PM
    • Duration: 14:49 hr

    Moonrise/Moonset

    • Moonrise: 3:39 AM
    • Moonset: 4:28 PM
    • Duration: 12:49 hr
    Astronomy

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps