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      Elev 406 ft, 38.678 °N 90.163 °W

      East St. Louis, IL

      Madison Station87°
      Updated: 6:36 PM CDT on September 30, 2026 (GMT -5)
      5 minutes ago
      94°
      68°
      87
      Feels Like 88
      Partly Cloudy
      N
      6
      Lower temperature is expected tomorrow
      Wundermap
      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
        Wed 09/30
        Low 74°f
         1% Precip. / 0 in
        Cloudy. Low 74F. Winds S at 5 to 10 mph.
        Tomorrow
        Thu 10/01
        High 89°f
         65% Precip. / 0.24 in
        Cloudy skies with showers and a possible thunderstorm in the afternoon. High 89F. Winds SSW at 10 to 15 mph. Chance of rain 70%.
        Tomorrow night
        Thu 10/01
        Low 62°f
         91% Precip. / 1.58 in
        Rain likely. Potential for heavy rainfall. Low 62F. Winds NNW at 5 to 10 mph. Chance of rain 90%. 1 to 2 inches of rain expected.
        Hourly Forecast
        Now
        87°
        6:45PM
        Sunset
        7PM
        85°
        8PM
        82°
        9PM
        80°
        10PM
        79°
        11PM
        78°
        12AM
        77°
        1AM
        77°
        2AM
        77°
        3AM
        76°
        4AM
        76°
        5AM
        75°
        6AM
        75°
        6:56AM
        Sunrise
        7AM
        75°
        8AM
        75°
        9AM
        78°
        10AM
        80°
        11AM
        83°
        12PM
        85°
        1PM
        87°
        2PM
        88°
        3PM
        36%
        87°
        4PM
        44%
        85°
        5PM
        52%
        83°
        6PM
        66%
        80°
        Precipitation
        66%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        57
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.82 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point62°F
        5. Humidity 43%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KCPS Station History
        Almanac for September 30, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 94°F 76°F 91°F 1971
        4. Low 68°F 53°F 32°F 1985
        5. Rain/Snow Depth
        6. Precipitation 0 in 2.9 in -
        7. Snow 0 in - in -
        Almanac for October 1, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 89°F 75°F 92°F
        4. Low 68°F 52°F 28°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:55 AM 6:44 PM
        3. Civil Twilight 6:29 AM 7:11 PM
        4. Nautical Twilight 5:58 AM 7:41PM
        5. Astronomical Twilight 5:27 AM 8:13 PM
        1. Length of Visible Light 12h 42m
        2. Length of Day 11h 49m
        3. Tomorrow will be 2 minutes 29 seconds shorter
        1. Moon 8:58 PM 11:33 AM
        2. Waning Gibbous77% of the Moon is Illuminated
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
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