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    • Tonight

      May 26

      51° Lo F
      Mostly cloudy; fog late
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: High
      • Ragweed Pollen: Moderate
      • Tree Pollen: High
    • Sat

      May 27

      74° /54°
      Periods of clouds and sun
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: High
      More
    • Sun

      May 28

      72° /54°
      Some rain and a thunderstorm
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: High
      More
    • Mon

      May 29

      72° /52°
      An afternoon shower or two
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Tue

      May 30

      70° /50°
      Sun and clouds with a shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More

    Day

    67°Hi RealFeel® 72° Precipitation 75%
    Some sun, then turning cloudy with rain and a thunderstorm this afternoon
    • ESE 7 mph
    • Gusts: 14 mph
    • Max UV Index: 6 (High)
    • Thunderstorms: 40%
    • Precipitation: 0.31 in
    • Rain: 0.31 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 4.5 hrs
    • Hours of Rain: 4.5 hrs

    Night

    51°Lo RealFeel® 50° Precipitation 50%
    Cloudy most of the time; patchy fog late
    • NNW 6 mph
    • Gusts: 12 mph
    • Max UV Index: N/A
    • Thunderstorms: 40%
    • Precipitation: 0.03 in
    • Rain: 0.03 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Grayslake Pollen Levels May 26

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

      High

    • Ragweed Pollen

      Moderate

    • Mold

      Low

    • Grass Pollen

      High

    Temperature History

    more Historical Weather Data >
      Today Normal Record 5/26/2016
    High 67° 70° N/A 82°
    Low 51° 50° N/A 63°

    Sunrise/Sunset

    • Sunrise: 5:22 AM
    • Sunset: 8:17 PM
    • Duration: 14:55 hr

    Moonrise/Moonset

    • Moonrise: 6:24 AM
    • Moonset: 9:20 PM
    • Duration: 14:56 hr
    Astronomy

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps