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      Flood Watch
      until 1:00 PM CDT
      +2 more alerts
      Elev 583 ft, 41.885 °N 87.624 °W

      Chicago, IL

      CodalNetatmo Station71°
      Updated: 6:31 PM CDT on September 18, 2026 (GMT -5)
      10 minutes ago
      72°
      66°
      71
      Feels Like 71
      Mostly Cloudy
      N
      9
      Similar temperature is expected tomorrow
      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
        Tonight
        Fri 09/18
        Low 63°f
         82% Precip. / 0.84 in
        Cloudy this evening with thunderstorms developing after midnight. Severe thunderstorms expected. Low 63F. Winds ESE at 10 to 15 mph. Chance of rain 80%.
        Tomorrow
        Sat 09/19
        High 73°f
         88% Precip. / 0.54 in
        Variable clouds with showers and scattered thunderstorms. Severe thunderstorms expected. High 73F. Winds SSE at 10 to 15 mph. Chance of rain 90%.
        Tomorrow night
        Sat 09/19
        Low 66°f
         70% Precip. / 0.62 in
        Thunderstorms likely in the evening. Then a chance of scattered thunderstorms later on. Storms may contain strong gusty winds. Low 66F. Winds NNW at 5 to 10 mph. Chance of rain 70%.
        Hourly Forecast
        Now
        71°
        6:54PM
        Sunset
        7PM
        71°
        8PM
        70°
        9PM
        70°
        10PM
        69°
        11PM
        69°
        12AM
        68°
        1AM
        68°
        2AM
        53%
        68°
        3AM
        58%
        67°
        4AM
        82%
        66°
        5AM
        73%
        65°
        6AM
        74%
        65°
        6:35AM
        Sunrise
        7AM
        84%
        64°
        8AM
        88%
        65°
        9AM
        86%
        65°
        10AM
        73%
        65°
        11AM
        71%
        66°
        12PM
        52%
        68°
        1PM
        33%
        70°
        2PM
        47%
        71°
        3PM
        71°
        4PM
        36%
        72°
        5PM
        42%
        72°
        6PM
        55%
        72°
        Precipitation
        88%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        31
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.14 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point61°F
        5. Humidity 70%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KMDW Station History
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 72°F 76°F 91°F 1988
        4. Low 66°F 57°F 43°F 1929
        5. Rain/Snow Depth
        6. Precipitation 0.84 in 0.11 in -
        7. Snow 0 in - in -
        Almanac for September 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 73°F 75°F 91°F
        4. Low 66°F 56°F 42°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:33 AM 6:54 PM
        3. Civil Twilight 6:05 AM 7:22 PM
        4. Nautical Twilight 5:33 AM 7:55PM
        5. Astronomical Twilight 4:59 AM 8:28 PM
        1. Length of Visible Light 13h 16m
        2. Length of Day 12h 20m
        3. Tomorrow will be 2 minutes 47 seconds shorter
        1. Moon 2:33 PM 11:01 PM
        2. First Quarter49% 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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