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      Extreme Heat Warning
      until 7:00 PM CDT
      Elev 217 ft, 40.661 °N 91.863 °W

      Mount Sterling, IA

      Bonaparte Station98°
      Updated: 2:22 PM CDT on September 3, 2026 (GMT -5)
      10 minutes ago
      96°
      73°
      98
      Feels Like 114
      Sunny
      N
      7
      Similar 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
        Fri 09/04
        High 96°f
         1% Precip. / 0 in
        Sunny. High 96F. Winds SSW at 5 to 10 mph.
        Tonight
        Fri 09/04
        Low 75°f
         3% Precip. / 0 in
        Clear skies. Low near 75F. Winds S at 5 to 10 mph.
        Tomorrow
        Sat 09/05
        High 96°f73°f
         3% Precip. / 0 in
        Sunshine. Hot. High 96F. Winds SW at 5 to 10 mph.
        Hourly Forecast
        Now
        95°
        3PM
        96°
        4PM
        95°
        5PM
        95°
        6PM
        93°
        7PM
        90°
        7:36PM
        Sunset
        8PM
        85°
        9PM
        82°
        10PM
        81°
        11PM
        80°
        12AM
        79°
        1AM
        78°
        2AM
        78°
        3AM
        77°
        4AM
        77°
        5AM
        77°
        6AM
        76°
        6:38AM
        Sunrise
        7AM
        76°
        8AM
        78°
        9AM
        83°
        10AM
        86°
        11AM
        89°
        12PM
        91°
        1PM
        92°
        2PM
        93°
        Precipitation
        3%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        28
        Good
        UV Index
        7
        High
        Additional Conditions
        1. Pressure 29.85 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point73°F
        5. Humidity 49%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KEOK Station History
        Almanac for September 3, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 96°F 81°F 102°F 1913
        4. Low 73°F 58°F 41°F 1952
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.6 in -
        7. Snow 0 in 0 in -
        Almanac for September 4, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 96°F 81°F 100°F
        4. Low 73°F 57°F 37°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:36 AM 7:36 PM
        3. Civil Twilight 6:08 AM 8:04 PM
        4. Nautical Twilight 5:35 AM 8:37PM
        5. Astronomical Twilight 5:00 AM 9:11 PM
        1. Length of Visible Light 13h 55m
        2. Length of Day 12h 59m
        3. Tomorrow will be 2 minutes 36 seconds shorter
        1. Moon 10:59 PM 1:59 PM
        2. Waning Gibbous51% of the Moon is Illuminated
        Sep 4
        Waning Half Last Qtr
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Precipitation
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