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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: 2:44 AM CDT on September 30, 2026 (GMT -5)
      9 minutes ago
      77°
      54°
      66
      Feels Like 66
      Cloudy
      N
      5
      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
        Tonight
        Tue 09/29
        Low 65°f
         55% Precip. / 0.05 in
        Cloudy with showers. Low near 65F. Winds SSW at 5 to 10 mph. Chance of rain 60%. Locally heavy rainfall possible.
        Tomorrow
        Wed 09/30
        High 71°f
         84% Precip. / 0.17 in
        Cloudy with rain developing later in the day. High 71F. Winds SSW at 5 to 10 mph. Chance of rain 80%.
        Tomorrow night
        Wed 09/30
        Low 64°f
         99% Precip. / 2 in
        Periods of rain. Rain may be heavy late. Low 64F. Winds ESE at 5 to 10 mph. Chance of rain 100%. 2 to 3 inches of rain expected. Locally heavy rainfall possible.
        Hourly Forecast
        Now
        66°
        3AM
        31%
        66°
        4AM
        66°
        5AM
        66°
        6AM
        67°
        7AM
        67°
        7:07AM
        Sunrise
        8AM
        67°
        9AM
        68°
        10AM
        69°
        11AM
        70°
        12PM
        70°
        1PM
        70°
        2PM
        42%
        71°
        3PM
        60%
        71°
        4PM
        81%
        71°
        5PM
        85%
        71°
        6PM
        83%
        70°
        6:54PM
        Sunset
        7PM
        77%
        69°
        8PM
        83%
        68°
        9PM
        89%
        67°
        10PM
        84%
        67°
        11PM
        96%
        67°
        12AM
        100%
        67°
        1AM
        97%
        67°
        2AM
        89%
        67°
        Precipitation
        100%
        Rain possible around 3:45 AM
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        70
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.78 in
        2. Visibility 4 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 2.17 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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