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      Elev 1207 ft, 43.104 °N 91.632 °W

      Postville, IA

      Castalia Station57°
      Updated: 12:34 AM CDT on October 9, 2026 (GMT -5)
      7 minutes ago
      57°
      52°
      57
      Feels Like 57
      Mostly Cloudy
      N
      2
      Same 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
        Tonight
        Thu 10/08
        Low 48°f
         3% Precip. / 0 in
        Cloudy. Low 48F. Winds light and variable.
        Tomorrow
        Fri 10/09
        High 71°f
         45% Precip. / 0.02 in
        Showers in the morning, then partly cloudy in the afternoon. High 71F. Winds ESE at 10 to 15 mph. Chance of rain 50%.
        Tomorrow night
        Fri 10/09
        Low 57°f
         7% Precip. / 0 in
        Mainly clear. Low 57F. Winds SSE at 5 to 10 mph.
        Hourly Forecast
        Now
        50°
        1AM
        50°
        2AM
        50°
        3AM
        49°
        4AM
        50°
        5AM
        51°
        6AM
        51°
        7AM
        52°
        7:12AM
        Sunrise
        8AM
        52°
        9AM
        55°
        10AM
        58°
        11AM
        45%
        61°
        12PM
        35%
        64°
        1PM
        67°
        2PM
        68°
        3PM
        69°
        4PM
        69°
        5PM
        69°
        6PM
        68°
        6:33PM
        Sunset
        7PM
        65°
        8PM
        62°
        9PM
        61°
        10PM
        60°
        11PM
        60°
        12AM
        60°
        Precipitation
        45%
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        30
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.08 in
        2. Visibility 10 miles
        3. Clouds Mostly Cloudy
        4. Dew Point43°F
        5. Humidity 78%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KDEH Station History
        Almanac for October 9, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 70°F 62°F 89°F 2010
        4. Low 46°F 41°F 25°F 1964
        5. Rain/Snow Depth
        6. Precipitation 0.02 in - in -
        7. Snow 0 in - in -
        Almanac for October 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 62°F 82°F
        4. Low 48°F 41°F 24°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:12 AM 6:33 PM
        3. Civil Twilight 6:44 AM 7:01 PM
        4. Nautical Twilight 6:11 AM 7:34PM
        5. Astronomical Twilight 5:38 AM 8:07 PM
        1. Length of Visible Light 12h 17m
        2. Length of Day 11h 20m
        3. Tomorrow will be 2 minutes 52 seconds shorter
        1. Moon 6:08 AM 5:52 PM
        2. Waning Crescent1% of the Moon is Illuminated
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
        Nov 1
        Waning Half Last Qtr
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