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      Heat Advisory
      until 8:00 PM CDT
      +1 more alert
      Elev 538 ft, 38.849 °N 90.259 °W

      Old Jamestown, MO

      Old Jamestown Station97°
      Updated: 5:22 PM CDT on September 2, 2026 (GMT -5)
      just now
      101°
      78°
      97
      Feels Like 108
      Fair
      N
      7
      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 76°f
         5% Precip. / 0 in
        Mostly clear. Low 76F. Winds S at 5 to 10 mph.
        Tomorrow
        Fri 09/04
        High 99°f
         8% Precip. / 0 in
        Except for a few afternoon clouds, mainly sunny. Very hot. High 99F. Winds SSW at 5 to 10 mph.
        Tomorrow night
        Fri 09/04
        Low 76°f
         4% Precip. / 0 in
        Clear skies. Low 76F. Winds S at 5 to 10 mph.
        Hourly Forecast
        Now
        99°
        6PM
        97°
        7PM
        94°
        7:29PM
        Sunset
        8PM
        91°
        9PM
        86°
        10PM
        84°
        11PM
        84°
        12AM
        83°
        1AM
        82°
        2AM
        81°
        3AM
        80°
        4AM
        79°
        5AM
        78°
        6AM
        77°
        6:32AM
        Sunrise
        7AM
        77°
        8AM
        82°
        9AM
        86°
        10AM
        90°
        11AM
        92°
        12PM
        94°
        1PM
        96°
        2PM
        96°
        3PM
        97°
        4PM
        97°
        5PM
        97°
        Precipitation
        8%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        43
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 29.89 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point68°F
        5. Humidity 36%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KSTL Station History
        Almanac for September 2, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 101°F 84°F 98°F 2011
        4. Low 78°F 64°F 46°F 1949
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 3, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 99°F 84°F 97°F
        4. Low 78°F 64°F 45°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:31 AM 7:29 PM
        3. Civil Twilight 6:03 AM 7:56 PM
        4. Nautical Twilight 5:31 AM 8:29PM
        5. Astronomical Twilight 4:57 AM 9:02 PM
        1. Length of Visible Light 13h 53m
        2. Length of Day 12h 58m
        3. Tomorrow will be 2 minutes 25 seconds shorter
        1. Moon 10:13 PM 12:32 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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