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      Elev 591 ft, 41.884 °N 87.634 °W

      Chicago, IL

      Chicago Loop Station77°
      Updated: 11:45 AM CDT on September 15, 2026 (GMT -5)
      7 minutes ago
      81°
      68°
      77
      Feels Like 77
      Rain
      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
        Tue 09/15
        High 81°f
         84% Precip. / 0 in
        Thunderstorms this morning, then partly cloudy during the afternoon hours. High 81F. Winds WSW at 5 to 10 mph. Chance of rain 80%.
        Tonight
        Tue 09/15
        Low 66°f
         57% Precip. / 0.09 in
        Cloudy with occasional showers overnight. Low 66F. Winds N at 5 to 10 mph. Chance of rain 60%. Locally heavy rainfall possible.
        Tomorrow
        Wed 09/16
        High 71°f66°f
         38% Precip. / 0.05 in
        Rain showers early with overcast skies later in the day. High 71F. Winds NE at 5 to 10 mph. Chance of rain 40%.
        Hourly Forecast
        Now
        77°
        12PM
        38%
        77°
        1PM
        79°
        2PM
        80°
        3PM
        81°
        4PM
        81°
        5PM
        81°
        6PM
        79°
        6:59PM
        Sunset
        7PM
        77°
        8PM
        75°
        9PM
        74°
        10PM
        73°
        11PM
        72°
        12AM
        71°
        1AM
        31%
        70°
        2AM
        55%
        70°
        3AM
        58%
        69°
        4AM
        45%
        68°
        5AM
        68°
        6AM
        68°
        6:32AM
        Sunrise
        7AM
        37%
        67°
        8AM
        68°
        9AM
        38%
        69°
        10AM
        33%
        69°
        11AM
        70°
        Precipitation
        58%
        Storms likely to end around 1:00 PM
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        33
        Good
        UV Index
        6
        High
        Additional Conditions
        1. Pressure 30.03 in
        2. Visibility 7 miles
        3. Clouds Partly Cloudy
        4. Dew Point65°F
        5. Humidity 66%
        6. Rainfall 0.01 in
        7. Snow Depth 0 in
         KMDW Station History
        Almanac for September 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 77°F 99°F 1939
        4. Low 68°F 58°F 46°F 1961
        5. Rain/Snow Depth
        6. Precipitation 0.09 in 0.11 in -
        7. Snow 0 in - in -
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 76°F 91°F
        4. Low 68°F 57°F 45°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:30 AM 6:59 PM
        3. Civil Twilight 6:02 AM 7:27 PM
        4. Nautical Twilight 5:29 AM 8:00PM
        5. Astronomical Twilight 4:55 AM 8:34 PM
        1. Length of Visible Light 13h 24m
        2. Length of Day 12h 29m
        3. Tomorrow will be 2 minutes 47 seconds shorter
        1. Moon 11:32 AM 8:52 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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