Log In
    Favorites
        Member Settings
      Elev 381 ft, 43.399 °N 94.511 °W

      Armstrong, IA

      Armstrong Station46°
      Updated: 1:55 AM CDT on October 21, 2026 (GMT -5)
      3 minutes ago
      70°
      37°
      46
      Feels Like 46
      Clear
      N
      7
      Higher temperature is expected today
      Wundermap

      Loading nearby stations…

       Wundermap
      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 10/20
        Low 46°f
         2% Precip. / 0 in
        Generally clear skies. Low 46F. Winds S at 5 to 10 mph.
        Tomorrow
        Wed 10/21
        High 76°f
         6% Precip. / 0 in
        Sunny skies. Warm. High 76F. Winds SW at 5 to 10 mph.
        Tomorrow night
        Wed 10/21
        Low 47°f
         12% Precip. / 0 in
        Clear to partly cloudy. Low 47F. Winds light and variable.
        Hourly Forecast
        Now
        47°
        2AM
        47°
        3AM
        47°
        4AM
        47°
        5AM
        49°
        6AM
        49°
        7AM
        49°
        7:39AM
        Sunrise
        8AM
        49°
        9AM
        53°
        10AM
        58°
        11AM
        63°
        12PM
        68°
        1PM
        71°
        2PM
        73°
        3PM
        74°
        4PM
        74°
        5PM
        74°
        6PM
        71°
        6:25PM
        Sunset
        7PM
        67°
        8PM
        62°
        9PM
        59°
        10PM
        57°
        11PM
        56°
        12AM
        54°
        1AM
        53°
        Precipitation
        7%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        45
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.19 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point42°F
        5. Humidity 85%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KEST Station History
        Almanac for October 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 75°F 56°F 82°F 2003
        4. Low 46°F 33°F 20°F 1976
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.9 in -
        7. Snow 0 in 0 in -
        Almanac for October 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 79°F 55°F 81°F
        4. Low 47°F 33°F 18°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:39 AM 6:24 PM
        3. Civil Twilight 7:10 AM 6:54 PM
        4. Nautical Twilight 6:37 AM 7:27PM
        5. Astronomical Twilight 6:04 AM 8:00 PM
        1. Length of Visible Light 11h 43m
        2. Length of Day 10h 45m
        3. Tomorrow will be 2 minutes 47 seconds shorter
        1. Moon 4:17 PM 2:28 AM
        2. Waxing Gibbous79% of the Moon is Illuminated
        Oct 25
        Full Moon
        Nov 1
        Waning Half Last Qtr
        Nov 9
        New Moon
        Nov 17
        Waxing Half First Qtr
        Nearby Weather Stations
        Station Location
        Temp
        Windchill
        Heat Index
        Dew Point
        Humidity
        Wind
        Precip.
        Elev.
        Updated
        Loading nearby stations…
        Precipitation
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        Our AppsAbout UsContactCareers
        PWS NetworkWunderMap
        Trust CenterTerms of UsePrivacy PolicyData RightsPrivacy SettingsCookie NoticeData VendorsAccessibility Statement
        Level Access
        The Weather Company The Weather Channel Weather Underground Storm Radar
        © The Weather Company, LLC 2026
        Glossary