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      Elev 177 ft, 38.591 °N 90.545 °W

      Ballwin, MO

      Ballwin Station91°
      Updated: 4:38 PM CDT on September 30, 2026 (GMT -5)
      9 minutes ago
      92°
      65°
      91
      Feels Like 92
      Partly Cloudy
      N
      7
      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 72°f
         7% Precip. / 0 in
        Overcast. Low 72F. Winds S at 5 to 10 mph.
        Tomorrow
        Thu 10/01
        High 85°f
         60% Precip. / 0.29 in
        Cloudy skies with showers and a possible thunderstorm in the afternoon. High around 85F. Winds SW at 10 to 15 mph. Chance of rain 60%.
        Tomorrow night
        Thu 10/01
        Low 61°f
         91% Precip. / 1.32 in
        Periods of rain. Potential for heavy rainfall. Low 61F. Winds NNW at 5 to 10 mph. Chance of rain 90%. 1 to 2 inches of rain expected.
        Hourly Forecast
        Now
        90°
        5PM
        89°
        6PM
        86°
        6:46PM
        Sunset
        7PM
        83°
        8PM
        80°
        9PM
        79°
        10PM
        78°
        11PM
        78°
        12AM
        76°
        1AM
        76°
        2AM
        75°
        3AM
        75°
        4AM
        74°
        5AM
        74°
        6AM
        73°
        6:58AM
        Sunrise
        7AM
        73°
        8AM
        74°
        9AM
        77°
        10AM
        79°
        11AM
        81°
        12PM
        82°
        1PM
        84°
        2PM
        84°
        3PM
        83°
        4PM
        34%
        82°
        Precipitation
        34%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        52
        Moderate
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 29.81 in
        2. Visibility 9 miles
        3. Clouds Partly Cloudy
        4. Dew Point61°F
        5. Humidity 38%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KSUS Station History
        Almanac for September 30, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 92°F 76°F 91°F 1979
        4. Low 65°F 53°F 33°F 1984
        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 85°F 76°F 93°F
        4. Low 66°F 52°F 32°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:57 AM 6:46 PM
        3. Civil Twilight 6:30 AM 7:12 PM
        4. Nautical Twilight 5:59 AM 7:43PM
        5. Astronomical Twilight 5:28 AM 8:14 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 8:59 PM 11:35 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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