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      Heat Advisory
      until 8:00 PM CDT
      +1 more alert
      Elev 505 ft, 38.614 °N 90.324 °W

      Maplewood, MO

      St. Louis Station87°
      Updated: 9:47 PM CDT on September 17, 2026 (GMT -5)
      30 seconds ago
      101°
      75°
      87
      Feels Like 95
      Clear
      N
      1
      Lower 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 73°f
         15% Precip. / 0 in
        A stray shower or thunderstorm is possible early. Mostly clear. Low 73F. Winds light and variable.
        Tomorrow
        Sat 09/19
        High 95°f
         15% Precip. / 0 in
        Sunshine and some clouds. A stray shower or thunderstorm is possible. High near 95F. Winds light and variable.
        Tomorrow night
        Sat 09/19
        Low 73°f
         19% Precip. / 0 in
        A few clouds from time to time. Low 73F. Winds light and variable.
        Hourly Forecast
        Now
        87°
        10PM
        86°
        11PM
        84°
        12AM
        82°
        1AM
        80°
        2AM
        79°
        3AM
        77°
        4AM
        77°
        5AM
        76°
        6AM
        75°
        6:45AM
        Sunrise
        7AM
        74°
        8AM
        77°
        9AM
        80°
        10AM
        83°
        11AM
        87°
        12PM
        90°
        1PM
        93°
        2PM
        94°
        3PM
        94°
        4PM
        93°
        5PM
        92°
        6PM
        90°
        7PM
        87°
        7:04PM
        Sunset
        8PM
        84°
        9PM
        82°
        Precipitation
        15%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        55
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.12 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point72°F
        5. Humidity 62%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KCPS Station History
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 101°F 81°F 92°F 1988
        4. Low 75°F 61°F 45°F 1973
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 95°F 80°F 94°F
        4. Low 75°F 61°F 48°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:45 AM 7:04 PM
        3. Civil Twilight 6:19 AM 7:31 PM
        4. Nautical Twilight 5:47 AM 8:02PM
        5. Astronomical Twilight 5:16 AM 8:33 PM
        1. Length of Visible Light 13h 12m
        2. Length of Day 12h 18m
        3. Tomorrow will be 2 minutes 29 seconds shorter
        1. Moon 2:30 PM 11:26 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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