My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Elev 940 ft, 39.979 °N 94.622 °W

      Union Star, MO

      Union Star Station72°
      Updated: 1:25 PM CDT on September 24, 2026 (GMT -5)
      3 minutes ago
      72°
      55°
      72
      Feels Like 73
      Mostly Cloudy
      N
      6
      Same temperature is expected today
      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
        Fri 09/25
        High 72°f
         1% Precip. / 0 in
        Cloudy skies. High 72F. Winds ESE at 5 to 10 mph.
        Tonight
        Fri 09/25
        Low 59°f
         72% Precip. / 0.08 in
        Overcast with rain showers at times. Low 59F. Winds ESE at 5 to 10 mph. Chance of rain 70%. Locally heavy rainfall possible.
        Tomorrow
        Sat 09/26
        High 66°f60°f
         84% Precip. / 0.23 in
        Rain early...then remaining cloudy with showers in the afternoon. High 66F. Winds ESE at 10 to 15 mph. Chance of rain 80%. Rainfall near a quarter of an inch.
        Hourly Forecast
        Now
        71°
        2PM
        72°
        3PM
        72°
        4PM
        72°
        5PM
        71°
        6PM
        69°
        7PM
        67°
        7:11PM
        Sunset
        8PM
        65°
        9PM
        63°
        10PM
        46%
        62°
        11PM
        33%
        62°
        12AM
        62°
        1AM
        61°
        2AM
        61°
        3AM
        61°
        4AM
        36%
        61°
        5AM
        49%
        61°
        6AM
        73%
        60°
        7AM
        66%
        60°
        7:08AM
        Sunrise
        8AM
        59%
        60°
        9AM
        46%
        60°
        10AM
        62%
        61°
        11AM
        85%
        62°
        12PM
        77%
        63°
        1PM
        51%
        63°
        Precipitation
        85%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        22
        Good
        UV Index
        5
        Moderate
        Additional Conditions
        1. Pressure 30.24 in
        2. Visibility 10 miles
        3. Clouds Mostly Cloudy
        4. Dew Point58°F
        5. Humidity 64%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KSTJ Station History
        Almanac for September 24, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 72°F 75°F 93°F 1938
        4. Low 55°F 52°F 30°F 1989
        5. Rain/Snow Depth
        6. Precipitation 0.08 in 3 in -
        7. Snow 0 in 0 in -
        Almanac for September 25, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 74°F 90°F
        4. Low 55°F 52°F 15°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:08 AM 7:12 PM
        3. Civil Twilight 6:41 AM 7:39 PM
        4. Nautical Twilight 6:09 AM 8:10PM
        5. Astronomical Twilight 5:37 AM 8:42 PM
        1. Length of Visible Light 12h 57m
        2. Length of Day 12h 3m
        3. Tomorrow will be 2 minutes 36 seconds shorter
        1. Moon 6:13 PM 4:52 AM
        2. Waxing Gibbous96% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Nearby Weather Stations
        Station Location
        Temp
        Windchill
        Heat Index
        Dew Point
        Humidity
        Wind
        Precip.
        Elev.
        Updated
        Loading nearby stations…
        Precipitation
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        Our AppsAbout UsContactCareers
        PWS NetworkWunderMap
        Trust CenterTerms of UsePrivacy PolicyData RightsPrivacy SettingsCookie NoticeData VendorsAccessibility Statement
        Level Access
        The Weather Company The Weather Channel Weather Underground Storm Radar
        © The Weather Company, LLC 2026
        Glossary