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      Elev 211 ft, 41.085 °N 91.390 °W

      Mount Union, IA

      Mount Union Station78°
      Updated: 3:53 PM CDT on September 9, 2026 (GMT -5)
      5 minutes ago
      77°
      67°
      78
      Feels Like 79
      Partly Cloudy
      N
      9
      Higher 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 09/10
        Low 64°f
         21% Precip. / 0 in
        Partly cloudy skies early will give way to cloudy skies late. A stray shower or thunderstorm is possible. Low 64F. Winds W at 5 to 10 mph.
        Tomorrow
        Fri 09/11
        High 81°f
         10% Precip. / 0 in
        Cloudy skies early, then partly cloudy in the afternoon. High 81F. Winds light and variable.
        Tomorrow night
        Fri 09/11
        Low 57°f
         8% Precip. / 0 in
        Clear. Low 57F. Winds light and variable.
        Hourly Forecast
        Now
        75°
        4PM
        75°
        5PM
        76°
        6PM
        77°
        7PM
        76°
        7:24PM
        Sunset
        8PM
        73°
        9PM
        71°
        10PM
        70°
        11PM
        68°
        12AM
        68°
        1AM
        68°
        2AM
        67°
        3AM
        67°
        4AM
        66°
        5AM
        66°
        6AM
        66°
        6:41AM
        Sunrise
        7AM
        65°
        8AM
        66°
        9AM
        68°
        10AM
        69°
        11AM
        72°
        12PM
        75°
        1PM
        77°
        2PM
        78°
        3PM
        79°
        Precipitation
        21%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        26
        Good
        UV Index
        3
        Moderate
        Additional Conditions
        1. Pressure 30.01 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point71°F
        5. Humidity 87%
        6. Rainfall 3 in
        7. Snow Depth 0 in
         KMPZ Station History
        Almanac for September 9, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 77°F 79°F 100°F 1955
        4. Low 67°F 54°F 43°F 2008
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.4 in -
        7. Snow 0 in 0 in -
        Almanac for September 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 79°F 94°F
        4. Low 67°F 54°F 39°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:40 AM 7:24 PM
        3. Civil Twilight 6:12 AM 7:52 PM
        4. Nautical Twilight 5:39 AM 8:25PM
        5. Astronomical Twilight 5:05 AM 8:59 PM
        1. Length of Visible Light 13h 40m
        2. Length of Day 12h 44m
        3. Tomorrow will be 2 minutes 41 seconds shorter
        1. Moon 4:49 AM 6:42 PM
        2. Waning Crescent3% of the Moon is Illuminated
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Precipitation
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