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Featured Forecast

My Favorite Forecasts

    Crystal Lake, IL

    Local Weather

    My Recent Locations

    • Fri

      Aug 24

      73° /64°
      A p.m. shower or thunderstorm
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 74°
      • UV: 4 - Moderate
      • Air Qual.: Good
      More

    • Sat

      Aug 25

      80° /68°F
      Partly sunny; warmer
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 88°
      • UV: 5 - High
      • Air Qual.: Good

    • Sun

      Aug 26

      87° /68°
      Partly sunny; warm and humid
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 94°
      • UV: 4 - Moderate
      • Air Qual.: Good
      More

    • Mon

      Aug 27

      85° /64°
      A thunderstorm possible
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 94°
      • UV: 4 - Moderate
      • Air Qual.: Good
      More

    • Tue

      Aug 28

      83° /64°
      Mostly sunny; humid
      • Neutral
      • weather for asthma
      • Hi RealFeel: 90°
      • UV: 5 - High
      • Air Qual.: Good
      More

    Day

    80°Hi RealFeel® 88° Precipitation 21%
    Partly sunny; humid and warmer
    • Winds from the
    • SSW 9 mph
    • Gusts: 15 mph
    • Max UV Index: 7 (High)
    • Thunderstorms: 14%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    68°Lo RealFeel® 71° Precipitation 25%
    Clear; warm and humid
    • Winds from the
    • SSW 7 mph
    • Gusts: 16 mph
    • Max UV Index: N/A
    • Thunderstorms: 24%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 8/25/2017
    High 80° 81° N/A 74°
    Low 68° 62° N/A 52°

    Sunrise/Sunset

    • Sunrise: 6:11 AM
    • Sunset: 7:39 PM
    • Duration: 13:28 hr

    Moonrise/Moonset

    • Moonrise: 7:32 PM
    • Moonset: 6:09 AM
    • Duration: 10:37 hr
    Astronomy