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      Flood Watch
      until 1:00 AM CDT
      Elev 325 ft, 42.856 °N 92.099 °W

      Sumner, IA

      Sumner Station64°
      Updated: 1:30 AM CDT on September 30, 2026 (GMT -5)
      9 minutes ago
      74°
      53°
      64
      Feels Like 64
      Showers in Vicinity
      N
      5
      Similar 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
        Tonight
        Tue 09/29
        Low 63°f
         95% Precip. / 0.09 in
        Cloudy with periods of rain. Low 63F. Winds S at 5 to 10 mph. Chance of rain 100%. Locally heavy rainfall possible.
        Tomorrow
        Wed 09/30
        High 71°f
         44% Precip. / 0.03 in
        Cloudy in the morning, then off and on rain showers during the afternoon hours. High 71F. Winds SSW at 5 to 10 mph. Chance of rain 40%.
        Tomorrow night
        Wed 09/30
        Low 63°f
         88% Precip. / 0.9 in
        Periods of rain. Low 63F. Winds light and variable. Chance of rain 90%. Rainfall near an inch. Locally heavy rainfall possible.
        Hourly Forecast
        Now
        64°
        2AM
        98%
        64°
        3AM
        57%
        64°
        4AM
        65°
        5AM
        65°
        6AM
        65°
        7AM
        16%
        65°
        7:04AM
        Sunrise
        8AM
        23%
        65°
        9AM
        66°
        10AM
        67°
        11AM
        68°
        12PM
        69°
        1PM
        30%
        70°
        2PM
        70°
        3PM
        71°
        4PM
        71°
        5PM
        44%
        71°
        6PM
        41%
        70°
        6:51PM
        Sunset
        7PM
        49%
        69°
        8PM
        52%
        67°
        9PM
        50%
        67°
        10PM
        67%
        67°
        11PM
        79%
        66°
        12AM
        80%
        66°
        1AM
        78%
        66°
        Precipitation
        98%
        Rain likely to end around 3:45 AM
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        56
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.8 in
        2. Visibility 7 miles
        3. Clouds Cloudy
        4. Dew Point64°F
        5. Humidity 100%
        6. Rainfall 0.33 in
        7. Snow Depth 0 in
         KOLZ Station History
        Almanac for September 30, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 69°F 91°F 1952
        4. Low 63°F 45°F 27°F 1984
        5. Rain/Snow Depth
        6. Precipitation 0.93 in - in -
        7. Snow 0 in - in -
        Almanac for October 1, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 67°F 69°F 91°F
        4. Low 52°F 44°F 27°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:04 AM 6:51 PM
        3. Civil Twilight 6:36 AM 7:19 PM
        4. Nautical Twilight 6:03 AM 7:52PM
        5. Astronomical Twilight 5:30 AM 8:25 PM
        1. Length of Visible Light 12h 42m
        2. Length of Day 11h 46m
        3. Tomorrow will be 2 minutes 53 seconds shorter
        1. Moon 8:49 PM 11:57 AM
        2. Waning Gibbous77% of the Moon is Illuminated
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
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