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      Extreme Heat Warning
      until 7:00 PM CDT
      Elev 732 ft, 41.789 °N 92.061 °W

      Marengo, IA

      Marengo Station74°
      Updated: 5:08 AM CDT on September 5, 2026 (GMT -5)
      4 minutes ago
      90°
      72°
      74
      Feels Like 74
      Fair
      N
      1
      Lower temperature is expected today
      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
        Sun 09/06
        High 90°f
         15% Precip. / 0 in
        A mix of clouds and sun. Hot. High around 90F. Winds NE at 5 to 10 mph.
        Tonight
        Sun 09/06
        Low 67°f
         10% Precip. / 0 in
        Partly cloudy. Low 67F. Winds E at 5 to 10 mph.
        Tomorrow
        Mon 09/07
        High 81°f64°f
         10% Precip. / 0 in
        Cloudy. High 81F. Winds ESE at 5 to 10 mph.
        Hourly Forecast
        Now
        74°
        6AM
        73°
        6:38AM
        Sunrise
        7AM
        73°
        8AM
        75°
        9AM
        78°
        10AM
        82°
        11AM
        85°
        12PM
        87°
        1PM
        88°
        2PM
        89°
        3PM
        89°
        4PM
        89°
        5PM
        88°
        6PM
        87°
        7PM
        84°
        7:34PM
        Sunset
        8PM
        81°
        9PM
        78°
        10PM
        77°
        11PM
        76°
        12AM
        74°
        1AM
        73°
        2AM
        72°
        3AM
        72°
        4AM
        71°
        5AM
        70°
        Precipitation
        15%
        Pollen
        Grass Pollen
        Low
        Air Quality
        50
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.9 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point72°F
        5. Humidity 96%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KTZT Station History
        Almanac for September 5, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 90°F 79°F 98°F 1933
        4. Low 72°F 55°F 39°F 1974
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.5 in -
        7. Snow 0 in 0 in -
        Almanac for September 6, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 79°F 102°F
        4. Low 72°F 55°F 39°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:38 AM 7:34 PM
        3. Civil Twilight 6:09 AM 8:03 PM
        4. Nautical Twilight 5:36 AM 8:36PM
        5. Astronomical Twilight 5:00 AM 9:11 PM
        1. Length of Visible Light 13h 53m
        2. Length of Day 12h 56m
        3. Tomorrow will be 2 minutes 43 seconds shorter
        1. Moon - 4:17 PM
        2. Waning Crescent40% 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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