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      Elev 951 ft, 41.683 °N 93.794 °W

      Grimes, IA

      Grimes Station65°
      Updated: 11:46 PM CDT on September 19, 2026 (GMT -5)
      5 minutes ago
      85°
      63°
      65
      Feels Like 65
      Showers in Vicinity
      N
      11
      Gusts 17 mph
      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 62°f
         90% Precip. / 0.25 in
        Thunderstorms this evening followed by occasional showers overnight. Potential for severe thunderstorms. Low 62F. Winds N at 10 to 15 mph. Chance of rain 90%.
        Tomorrow
        Mon 09/21
        High 64°f
         58% Precip. / 0.05 in
        Cloudy in the morning, then off and on rain showers during the afternoon hours. High 64F. Winds NE at 10 to 15 mph. Chance of rain 60%.
        Tomorrow night
        Mon 09/21
        Low 57°f
         73% Precip. / 0.28 in
        Showers early, becoming a steady rain late. Low 57F. Winds ENE at 10 to 15 mph. Chance of rain 70%. Rainfall near a quarter of an inch.
        Hourly Forecast
        Now
        65°
        12AM
        91%
        65°
        1AM
        90%
        64°
        2AM
        72%
        64°
        3AM
        31%
        64°
        4AM
        38%
        64°
        5AM
        42%
        64°
        6AM
        64°
        7AM
        64°
        7:00AM
        Sunrise
        8AM
        63°
        9AM
        63°
        10AM
        63°
        11AM
        63°
        12PM
        63°
        1PM
        63°
        2PM
        64°
        3PM
        30%
        64°
        4PM
        47%
        64°
        5PM
        55%
        63°
        6PM
        59%
        63°
        7PM
        49%
        62°
        7:15PM
        Sunset
        8PM
        41%
        62°
        9PM
        54%
        62°
        10PM
        46%
        61°
        11PM
        51%
        61°
        Precipitation
        91%
        Storms continuing through 6 AM
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        41
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.88 in
        2. Visibility 8 miles
        3. Clouds Cloudy
        4. Dew Point64°F
        5. Humidity 96%
        6. Rainfall 0.2 in
        7. Snow Depth 0 in
         KIKV Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 85°F 76°F 94°F 2022
        4. Low 63°F 54°F 33°F 1991
        5. Rain/Snow Depth
        6. Precipitation 0.25 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 65°F 75°F 95°F
        4. Low 63°F 53°F 35°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:00 AM 7:15 PM
        3. Civil Twilight 6:32 AM 7:43 PM
        4. Nautical Twilight 6:00 AM 8:15PM
        5. Astronomical Twilight 5:26 AM 8:49 PM
        1. Length of Visible Light 13h 10m
        2. Length of Day 12h 14m
        3. Tomorrow will be 2 minutes 46 seconds shorter
        1. Moon 4:24 PM 12:25 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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