, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Today

      Sep 27

      64° /48°
      Turning out cloudy and breezy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      61° /52°F
      An a.m. shower; mostly cloudy
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Thu

      Sep 29

      69° /56°
      A brief shower or two
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Fri

      Sep 30

      62° /55°
      Cloudy with a few showers
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sat

      Oct 1

      66° /53°
      Spotty showers
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    Wednesday
    4am
    5am
    6am
    7am
    8am
    9am
    10am
    11am
    Forecast Mostly Clear Partly Cloudy Showers Cloudy Cloudy Cloudy Cloudy Mostly Cloudy
    Temp (°F) 49° 48° 48° 48° 49° 51° 53° 56°
    RealFeel® 45° 44° 40° 44° 45° 47° 50° 53°
    Wind (mph) 7 WNW 7 WNW 8 WNW 8 NW 8 NW 8 NW 9 NW 10 NW
    precip
    4am
    5am
    6am
    7am
    8am
    9am
    10am
    11am
    Rain
    44%
    48%
    52%
    48%
    34%
    34%
    37%
    47%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    4am
    5am
    6am
    7am
    8am
    9am
    10am
    11am
    UV Index 0 0 0 0 0 0 1 1
    Cloud Cover 25% 40% 71% 97% 100% 98% 90% 87%
    Humidity 94% 94% 94% 96% 95% 91% 88% 84%
    Dew Point 47° 47° 46° 47° 48° 48° 50° 51°
    Temp °F
    4am
    5am
    6am
    7am
    8am
    9am
    10am
    11am
    60° 55° 50° 45°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/28/2015
    High 61° 70° N/A 79°
    Low 52° 49° N/A 63°

    Sunrise/Sunset

    • Sunrise: 6:48 AM
    • Sunset: 6:39 PM
    • Duration: 11:51 hr

    Moonrise/Moonset

    • Moonrise: 4:22 AM
    • Moonset: 5:42 PM
    • Duration: 13:20 hr
    Astronomy

    Crystal Lake Weather Report

    Chilly winds to howl across Great Lakes early this week

    September 27, 2016; 5:03 AM ET

    Gusty winds will accompany a push of chilly air across the Great Lakes through Tuesday. More >

    Wed. Pollen

    Wed. Dust & Dander

    Wed. Wind Maps