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      Elev 1135 ft, 43.154 °N 93.201 °W

      Mason City, IA

      Mason City Station51°
      Updated: 9:01 AM CDT on September 21, 2026 (GMT -5)
      42 seconds ago
      58°
      50°
      51
      Feels Like 51
      Rain
      N
      9
      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
        Tue 09/22
        High 57°f
         100% Precip. / 0.35 in
        Rain. High 57F. Winds ENE at 10 to 15 mph. Chance of rain 100%. Rainfall near a quarter of an inch.
        Tonight
        Tue 09/22
        Low 49°f
         43% Precip. / 0.04 in
        Showers early, then cloudy overnight. Low 49F. Winds ENE at 5 to 10 mph. Chance of rain 40%.
        Tomorrow
        Wed 09/23
        High 60°f45°f
         20% Precip. / 0 in
        Mainly cloudy. High around 60F. Winds E at 5 to 10 mph.
        Hourly Forecast
        Now
        51°
        10AM
        62%
        51°
        11AM
        86%
        52°
        12PM
        81%
        53°
        1PM
        78%
        54°
        2PM
        64%
        55°
        3PM
        62%
        56°
        4PM
        44%
        56°
        5PM
        44%
        56°
        6PM
        44%
        56°
        7PM
        41%
        55°
        7:11PM
        Sunset
        8PM
        44%
        54°
        9PM
        43%
        54°
        10PM
        31%
        53°
        11PM
        53°
        12AM
        53°
        1AM
        53°
        2AM
        52°
        3AM
        52°
        4AM
        51°
        5AM
        50°
        6AM
        50°
        7AM
        50°
        7:00AM
        Sunrise
        8AM
        50°
        9AM
        51°
        Precipitation
        86%
        Rain likely to continue
        Pollen
        None
        Air Quality
        18
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.21 in
        2. Visibility 7 miles
        3. Clouds Cloudy
        4. Dew Point51°F
        5. Humidity 99%
        6. Rainfall 0.3 in
        7. Snow Depth 0 in
         KMCW Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 58°F 72°F 93°F 2022
        4. Low 50°F 48°F 28°F 1983
        5. Rain/Snow Depth
        6. Precipitation 0.38 in - in -
        7. Snow 0 in - in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 60°F 72°F 94°F
        4. Low 50°F 48°F 23°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:59 AM 7:11 PM
        3. Civil Twilight 6:30 AM 7:40 PM
        4. Nautical Twilight 5:57 AM 8:13PM
        5. Astronomical Twilight 5:23 AM 8:47 PM
        1. Length of Visible Light 13h 9m
        2. Length of Day 12h 12m
        3. Tomorrow will be 2 minutes 54 seconds shorter
        1. Moon 5:00 PM 1:20 AM
        2. Waxing Gibbous77% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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