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      Small Craft Advisory
      until 9:00 AM CDT
      Elev 689 ft, 42.149 °N 87.960 °W

      Buffalo Grove, IL

      McHenry Road Station67°
      Updated: 8:37 AM CDT on September 15, 2026 (GMT -5)
      6 minutes ago
      81°
      66°
      67
      Feels Like 67
      Showers in Vicinity
      N
      8
      Higher temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Wed 09/16
        High 81°f
         90% Precip. / 0.03 in
        Thunderstorms during the morning will give way to cloudy skies this afternoon. High 81F. Winds WSW at 5 to 10 mph. Chance of rain 90%.
        Tonight
        Wed 09/16
        Low 63°f
         24% Precip. / 0 in
        Cloudy. A stray shower or thunderstorm is possible. Low 63F. Winds N at 5 to 10 mph.
        Tomorrow
        Wed 09/16
        High 71°f64°f
         33% Precip. / 0.02 in
        A few showers early with overcast skies later in the day. High 71F. Winds NE at 5 to 10 mph. Chance of rain 30%.
        Hourly Forecast
        Now
        67°
        9AM
        92%
        68°
        10AM
        59%
        69°
        11AM
        42%
        72°
        12PM
        75°
        1PM
        76°
        2PM
        78°
        3PM
        79°
        4PM
        80°
        5PM
        79°
        6PM
        78°
        7PM
        37%
        76°
        7:01PM
        Sunset
        8PM
        74°
        9PM
        72°
        10PM
        71°
        11PM
        69°
        12AM
        68°
        1AM
        67°
        2AM
        66°
        3AM
        65°
        4AM
        64°
        5AM
        64°
        6AM
        64°
        6:33AM
        Sunrise
        7AM
        64°
        8AM
        66°
        Precipitation
        92%
        Storms continuing through 11 AM
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        31
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 30.01 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point61°F
        5. Humidity 81%
        6. Rainfall 0.07 in
        7. Snow Depth 0 in
         KPWK Station History
        Almanac for September 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 76°F 99°F 1939
        4. Low 66°F 58°F 39°F 2007
        5. Rain/Snow Depth
        6. Precipitation 0.05 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 76°F 92°F
        4. Low 66°F 57°F 37°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:32 AM 7:01 PM
        3. Civil Twilight 6:03 AM 7:29 PM
        4. Nautical Twilight 5:30 AM 8:02PM
        5. Astronomical Twilight 4:56 AM 8:36 PM
        1. Length of Visible Light 13h 25m
        2. Length of Day 12h 29m
        3. Tomorrow will be 2 minutes 48 seconds shorter
        1. Moon 11:34 AM 8:53 PM
        2. Waxing Crescent21% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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