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      Elev 510 ft, 38.788 °N 90.792 °W

      Lake St. Louis, MO

      Updated: 10:27 AM CDT on October 19, 2026 (GMT -5)
      7 minutes ago
      72°
      39°
      55
      Feels Like 55
      Sunny
      N
      1
      Higher temperature is expected today
      Wundermap

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      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
        Today
        Mon 10/19
        High 72°f
        1% Precip. / 0 in
        Sunshine to start, then a few afternoon clouds. High 72F. Winds light and variable.
        Tonight
        Mon 10/19
        Low 42°f
        6% Precip. / 0 in
        Partly cloudy skies. Low 42F. Winds light and variable.
        Tomorrow
        Tue 10/20
        High 74°f45°f
        6% Precip. / 0 in
        Mainly sunny. High 74F. Winds light and variable.
        Hourly Forecast
        Now
        55°
        11AM
        58°
        12PM
        62°
        1PM
        67°
        2PM
        69°
        3PM
        70°
        4PM
        70°
        5PM
        69°
        6PM
        64°
        6:19PM
        Sunset
        7PM
        59°
        8PM
        55°
        9PM
        53°
        10PM
        51°
        11PM
        50°
        12AM
        48°
        1AM
        48°
        2AM
        46°
        3AM
        45°
        4AM
        44°
        5AM
        43°
        6AM
        43°
        7AM
        43°
        7:17AM
        Sunrise
        8AM
        45°
        9AM
        52°
        10AM
        59°
        Additional Conditions
        1. Pressure 30.4 in
        2. Visibility 9 miles
        3. Clouds Clear
        4. Dew Point46°F
        5. Humidity 69%
        6. Rainfall 0 in
        7. Snow Depth 0 in
        KSUS Station History
        Almanac for October 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 72°F 67°F 84°F 1965
        4. Low 39°F 45°F 23°F 1972
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.8 in -
        7. Snow 0 in 0 in -
        Almanac for October 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 74°F 67°F 88°F
        4. Low 42°F 44°F 24°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:16 AM 6:19 PM
        3. Civil Twilight 6:49 AM 6:45 PM
        4. Nautical Twilight 6:18 AM 7:16PM
        5. Astronomical Twilight 5:47 AM 7:47 PM
        1. Length of Visible Light 11h 56m
        2. Length of Day 11h 2m
        3. Tomorrow will be 2 minutes 23 seconds shorter
        1. Moon 3:05 PM 12:14 AM
        2. Waxing Gibbous61% of the Moon is Illuminated
        Oct 25
        Full Moon
        Nov 1
        Waning Half Last Qtr
        Nov 9
        New Moon
        Nov 17
        Waxing Half First Qtr
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