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      Heat Advisory
      until 8:00 PM CDT
      +1 more alert
      Elev 172 ft, 38.736 °N 90.648 °W

      Weldon Spring, MO

      Saint Peters Station97°
      Updated: 6:40 PM CDT on September 2, 2026 (GMT -5)
      8 minutes ago
      101°
      75°
      97
      Feels Like 106
      Sunny
      N
      3
      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
        Thu 09/03
        Low 74°f
         4% Precip. / 0 in
        A clear sky. Low 74F. Winds light and variable.
        Tomorrow
        Fri 09/04
        High 98°f
         4% Precip. / 0 in
        A mainly sunny sky. Very hot. High 98F. Winds SSW at 5 to 10 mph.
        Tomorrow night
        Fri 09/04
        Low 74°f
         4% Precip. / 0 in
        Clear. Low 74F. Winds light and variable.
        Hourly Forecast
        Now
        96°
        7PM
        94°
        7:30PM
        Sunset
        8PM
        89°
        9PM
        86°
        10PM
        83°
        11PM
        83°
        12AM
        81°
        1AM
        80°
        2AM
        79°
        3AM
        78°
        4AM
        77°
        5AM
        76°
        6AM
        75°
        6:33AM
        Sunrise
        7AM
        75°
        8AM
        79°
        9AM
        84°
        10AM
        88°
        11AM
        91°
        12PM
        93°
        1PM
        94°
        2PM
        96°
        3PM
        97°
        4PM
        97°
        5PM
        96°
        6PM
        95°
        Precipitation
        4%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        41
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.9 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point69°F
        5. Humidity 42%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KSUS Station History
        Almanac for September 2, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 101°F 84°F 102°F 1984
        4. Low 75°F 62°F 44°F 1974
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.6 in -
        7. Snow 0 in 0 in -
        Almanac for September 3, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 98°F 84°F 99°F
        4. Low 75°F 62°F 27°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:32 AM 7:31 PM
        3. Civil Twilight 6:05 AM 7:58 PM
        4. Nautical Twilight 5:33 AM 8:30PM
        5. Astronomical Twilight 4:59 AM 9:03 PM
        1. Length of Visible Light 13h 52m
        2. Length of Day 12h 58m
        3. Tomorrow will be 2 minutes 26 seconds shorter
        1. Moon 10:15 PM 12:33 PM
        2. Waning Gibbous63% of the Moon is Illuminated
        Sep 4
        Waning Half Last Qtr
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Precipitation
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