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      Elev 705 ft, 40.644 °N 91.567 °W

      Donnellson, IA

      Donnellson Station77°
      Updated: 8:10 PM CDT on September 19, 2026 (GMT -5)
      3 minutes ago
      84°
      70°
      77
      Feels Like 77
      Clear
      N
      5
      Lower 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
        Sun 09/20
        Low 69°f
         84% Precip. / 0.2 in
        Partly cloudy skies early. Thunderstorms developing late. Low 69F. Winds light and variable. Chance of rain 80%. Locally heavy rainfall possible.
        Tomorrow
        Mon 09/21
        High 73°f
         41% Precip. / 0.07 in
        Scattered thunderstorms in the morning. Cloudy skies late. High 73F. Winds NNE at 10 to 15 mph. Chance of rain 40%.
        Tomorrow night
        Mon 09/21
        Low 62°f
         54% Precip. / 0.25 in
        Considerable cloudiness with occasional rain showers. Low 62F. Winds NE at 10 to 15 mph. Chance of rain 50%.
        Hourly Forecast
        Now
        77°
        9PM
        75°
        10PM
        74°
        11PM
        74°
        12AM
        72°
        1AM
        71°
        2AM
        72°
        3AM
        83%
        71°
        4AM
        84%
        70°
        5AM
        77%
        70°
        6AM
        45%
        70°
        6:52AM
        Sunrise
        7AM
        38%
        70°
        8AM
        42%
        70°
        9AM
        70°
        10AM
        70°
        11AM
        72°
        12PM
        72°
        1PM
        72°
        2PM
        72°
        3PM
        72°
        4PM
        71°
        5PM
        71°
        6PM
        70°
        7PM
        37%
        68°
        7:06PM
        Sunset
        8PM
        54%
        66°
        Precipitation
        84%
        Thunderstorms possible after 3 AM
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        42
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.8 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point73°F
        5. Humidity 89%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KFSW Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 84°F 76°F 91°F 2007
        4. Low 70°F 56°F 36°F 1991
        5. Rain/Snow Depth
        6. Precipitation 0.2 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 73°F 75°F 90°F
        4. Low 70°F 55°F 36°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:51 AM 7:06 PM
        3. Civil Twilight 6:24 AM 7:33 PM
        4. Nautical Twilight 5:52 AM 8:05PM
        5. Astronomical Twilight 5:19 AM 8:38 PM
        1. Length of Visible Light 13h 9m
        2. Length of Day 12h 14m
        3. Tomorrow will be 2 minutes 39 seconds shorter
        1. Moon 4:11 PM 12:20 AM
        2. Waxing Gibbous68% 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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