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      River Flood Warning
      until 5:34 PM CDT
      +5 more alerts
      Elev 194 ft, 41.321 °N 91.263 °W

      Letts, IA

      Letts Station60°
      Updated: 8:18 AM CDT on September 21, 2026 (GMT -5)
      just now
      62°
      55°
      60
      Feels Like 60
      Cloudy
      N
      11
      Gusts 20 mph
      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 62°f
         45% Precip. / 0.01 in
        Cloudy with occasional showers this afternoon. High 62F. Winds ENE at 10 to 15 mph. Chance of rain 50%.
        Tonight
        Tue 09/22
        Low 55°f
         73% Precip. / 0.26 in
        Periods of rain. Low around 55F. Winds NE at 5 to 10 mph. Chance of rain 70%. Rainfall near a quarter of an inch.
        Tomorrow
        Wed 09/23
        High 62°f49°f
         62% Precip. / 0.05 in
        Rain showers early with overcast skies later in the day. High 62F. Winds NE at 10 to 15 mph. Chance of rain 60%.
        Hourly Forecast
        Now
        60°
        9AM
        60°
        10AM
        60°
        11AM
        61°
        12PM
        61°
        1PM
        61°
        2PM
        62°
        3PM
        62°
        4PM
        61°
        5PM
        34%
        62°
        6PM
        46%
        62°
        7PM
        41%
        60°
        7:03PM
        Sunset
        8PM
        40%
        58°
        9PM
        46%
        58°
        10PM
        63%
        57°
        11PM
        67%
        57°
        12AM
        67%
        56°
        1AM
        65%
        56°
        2AM
        56%
        56°
        3AM
        74%
        56°
        4AM
        72%
        56°
        5AM
        70%
        56°
        6AM
        69%
        56°
        6:52AM
        Sunrise
        7AM
        62%
        56°
        8AM
        46%
        56°
        Precipitation
        74%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        21
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.09 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point59°F
        5. Humidity 98%
        6. Rainfall 0.01 in
        7. Snow Depth 0 in
         KMUT Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 62°F 75°F 91°F 1940
        4. Low 55°F 49°F 35°F 1991
        5. Rain/Snow Depth
        6. Precipitation 0.27 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 62°F 74°F 95°F
        4. Low 55°F 49°F 29°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:51 AM 7:03 PM
        3. Civil Twilight 6:24 AM 7:31 PM
        4. Nautical Twilight 5:51 AM 8:03PM
        5. Astronomical Twilight 5:18 AM 8:36 PM
        1. Length of Visible Light 13h 7m
        2. Length of Day 12h 12m
        3. Tomorrow will be 2 minutes 44 seconds shorter
        1. Moon 4:46 PM 1:19 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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