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      Flood Watch
      until 1:00 AM CDT
      Elev 892 ft, 42.040 °N 92.899 °W

      Marshalltown, IA

      Marshalltown Station66°
      Updated: 3:41 AM CDT on September 30, 2026 (GMT -5)
      3 minutes ago
      71°
      65°
      66
      Feels Like 66
      Cloudy
      N
      4
      Lower 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
        Wed 09/30
        High 71°f
         85% Precip. / 0.16 in
        Rain showers early will evolve into a more steady rain for the afternoon. High 71F. Winds SSW at 5 to 10 mph. Chance of rain 90%.
        Tonight
        Wed 09/30
        Low 65°f
         99% Precip. / 1.99 in
        Periods of rain. Rain may be heavy late. Low around 65F. Winds ESE at 5 to 10 mph. Chance of rain 100%. 1 to 2 inches of rain expected. Locally heavy rainfall possible.
        Tomorrow
        Thu 10/01
        High 67°f47°f
         53% Precip. / 0.21 in
        Cloudy with occasional rain showers. High 67F. Winds NNE at 10 to 15 mph. Chance of rain 50%.
        Hourly Forecast
        Now
        66°
        4AM
        78%
        66°
        5AM
        66°
        6AM
        66°
        7AM
        67°
        7:07AM
        Sunrise
        8AM
        67°
        9AM
        68°
        10AM
        69°
        11AM
        70°
        12PM
        70°
        1PM
        71°
        2PM
        44%
        71°
        3PM
        61%
        71°
        4PM
        81%
        71°
        5PM
        85%
        71°
        6PM
        83%
        70°
        6:54PM
        Sunset
        7PM
        76%
        69°
        8PM
        82%
        68°
        9PM
        88%
        67°
        10PM
        84%
        67°
        11PM
        96%
        67°
        12AM
        100%
        67°
        1AM
        97%
        67°
        2AM
        89%
        67°
        3AM
        97%
        67°
        Precipitation
        100%
        Rain expected around 4:15 AM
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        72
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.78 in
        2. Visibility 6 miles
        3. Clouds Cloudy
        4. Dew Point65°F
        5. Humidity 98%
        6. Rainfall 0.3 in
        7. Snow Depth 0 in
         KMIW Station History
        Almanac for September 30, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 70°F 93°F 1897
        4. Low 65°F 45°F 22°F 1899
        5. Rain/Snow Depth
        6. Precipitation 2.15 in 2.9 in -
        7. Snow 0 in - in -
        Almanac for October 1, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 68°F 70°F 93°F
        4. Low 52°F 45°F 27°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:07 AM 6:54 PM
        3. Civil Twilight 6:39 AM 7:22 PM
        4. Nautical Twilight 6:07 AM 7:54PM
        5. Astronomical Twilight 5:34 AM 8:27 PM
        1. Length of Visible Light 12h 42m
        2. Length of Day 11h 47m
        3. Tomorrow will be 2 minutes 49 seconds shorter
        1. Moon 8:56 PM 11:58 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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