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      Elev 725 ft, 41.653 °N 91.519 °W

      Iowa City, IA

      Longfellow Station68°
      Updated: 9:17 PM CDT on September 14, 2026 (GMT -5)
      8 minutes ago
      75°
      55°
      68
      Feels Like 68
      Clear
      N
      9
      Gusts 18 mph
      Same 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 67°f
         86% Precip. / 0.48 in
        Partly cloudy skies early. Thunderstorms developing late. Storms may contain strong gusty winds. Low 67F. Winds S at 10 to 15 mph. Chance of rain 90%.
        Tomorrow
        Wed 09/16
        High 74°f
         78% Precip. / 0.22 in
        Thunderstorms in the morning, then variable clouds during the afternoon with still a chance of showers. High 74F. Winds WNW at 5 to 10 mph. Chance of rain 80%.
        Tomorrow night
        Wed 09/16
        Low 61°f
         24% Precip. / 0 in
        Cloudy. A stray shower or thunderstorm is possible. Low 61F. Winds NNE at 5 to 10 mph.
        Hourly Forecast
        Now
        68°
        10PM
        70°
        11PM
        70°
        12AM
        72°
        1AM
        74°
        2AM
        73°
        3AM
        36%
        73°
        4AM
        87%
        73°
        5AM
        85%
        72°
        6AM
        84%
        72°
        6:46AM
        Sunrise
        7AM
        79%
        71°
        8AM
        54%
        72°
        9AM
        63%
        73°
        10AM
        78%
        74°
        11AM
        51%
        74°
        12PM
        60%
        74°
        1PM
        46%
        73°
        2PM
        40%
        73°
        3PM
        72°
        4PM
        72°
        5PM
        33%
        72°
        6PM
        71°
        7PM
        70°
        7:14PM
        Sunset
        8PM
        67°
        9PM
        66°
        Precipitation
        87%
        Thunderstorms possible after 3 AM
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        28
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.89 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point57°F
        5. Humidity 67%
        6. Rainfall 0.13 in
        7. Snow Depth 0 in
         KIOW Station History
        Almanac for September 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 75°F 77°F 97°F 1939
        4. Low 55°F 52°F 33°F 2007
        5. Rain/Snow Depth
        6. Precipitation 0.48 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 74°F 77°F 95°F
        4. Low 55°F 52°F 35°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:46 AM 7:15 PM
        3. Civil Twilight 6:18 AM 7:43 PM
        4. Nautical Twilight 5:45 AM 8:15PM
        5. Astronomical Twilight 5:11 AM 8:49 PM
        1. Length of Visible Light 13h 24m
        2. Length of Day 12h 28m
        3. Tomorrow will be 2 minutes 45 seconds shorter
        1. Moon 11:47 AM 9:09 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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