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

      Marshalltown, IA

      Marshalltown Station70°
      Updated: 8:21 PM CDT on September 14, 2026 (GMT -5)
      7 minutes ago
      72°
      54°
      70
      Feels Like 70
      Clear
      N
      15
      Gusts 29 mph
      Similar 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
        Tue 09/15
        Low 68°f
         100% Precip. / 0.63 in
        Thunderstorms likely. Potential for severe thunderstorms. Low 68F. Winds SSW at 10 to 20 mph. Chance of rain 100%.
        Tomorrow
        Wed 09/16
        High 70°f
         92% Precip. / 0.18 in
        Thunderstorms in the morning, then cloudy skies late. High around 70F. Winds NNW at 5 to 10 mph. Chance of rain 90%.
        Tomorrow night
        Wed 09/16
        Low 57°f
         5% Precip. / 0 in
        Cloudy. Low 57F. Winds NNE at 5 to 10 mph.
        Hourly Forecast
        Now
        70°
        9PM
        59%
        70°
        10PM
        57%
        71°
        11PM
        99%
        71°
        12AM
        46%
        71°
        1AM
        100%
        71°
        2AM
        73%
        72°
        3AM
        65%
        71°
        4AM
        92%
        71°
        5AM
        86%
        71°
        6AM
        89%
        70°
        6:52AM
        Sunrise
        7AM
        93%
        69°
        8AM
        71%
        69°
        9AM
        59%
        68°
        10AM
        50%
        68°
        11AM
        36%
        69°
        12PM
        69°
        1PM
        69°
        2PM
        69°
        3PM
        69°
        4PM
        69°
        5PM
        69°
        6PM
        68°
        7PM
        67°
        7:20PM
        Sunset
        8PM
        65°
        Precipitation
        100%
        Thunderstorms possible around 9:30 PM
        Pollen
        None
        Air Quality
        22
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.8 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point62°F
        5. Humidity 77%
        6. Rainfall 0.16 in
        7. Snow Depth 0 in
         KMIW Station History
        Almanac for September 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 72°F 76°F 99°F 1939
        4. Low 54°F 51°F 32°F 2011
        5. Rain/Snow Depth
        6. Precipitation 0.63 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 73°F 76°F 97°F
        4. Low 54°F 51°F 31°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:51 AM 7:20 PM
        3. Civil Twilight 6:23 AM 7:48 PM
        4. Nautical Twilight 5:50 AM 8:21PM
        5. Astronomical Twilight 5:16 AM 8:55 PM
        1. Length of Visible Light 13h 25m
        2. Length of Day 12h 29m
        3. Tomorrow will be 2 minutes 48 seconds shorter
        1. Moon 11:54 AM 9:13 PM
        2. Waxing Crescent21% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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