TODAY MAR19
TEMPERATURE36
HUMIDITY44
PRESSURE100680
WIND COND.270 13
  • 5115Tue
  • 3217Wed30%
  • 3419Thu50%70%
  • 3011Fri50%
  • 2617Sat50%60%
daynightWeather update from Watertown, Watertown Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Willow Lake for July is 72.5 degrees
  • The lowest monthly average temperature in Willow Lake for January is 13.6 degrees
  • The most monthly precipitation in Willow Lake occurs in June with 3.7 inches
  • The air quality index in Willow Lake is 41% better than the national average
  • The pollution index in Willow Lake is 95% better than the national average

Compare Willow Lake, SD Weather

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      Willow Lake Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January5°F23°F14°F0.4"
      February7°F27°F16°F0.6"
      March22°F41°F30°F1.1"
      April33°F57°F44°F1.9"
      May45°F69°F56°F3.0"
      June56°F78°F67°F3.7"
      July61°F84°F72°F2.6"
      August58°F81°F69°F3.6"
      September50°F74°F61°F2.8"
      October37°F58°F47°F2.3"
      November23°F43°F32°F0.4"
      December9°F26°F17°F0.7"

      Willow Lake air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexWillow LakeSouth DakotaNational
      Air quality index253642
      Pollution index146,247345,6232,726,193

      Willow Lake air quality information

      MeasurementTotal
      Days measured361
      Days with good air quality325
      Days with moderate air quality36
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Willow Lake air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.002%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Willow Lake temperature with heat index

      Willow Lake monthly precipitation with daily maximum

      Willow Lake monthly snow depth with daily maximum

      Willow Lake monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bryant, SD7352550.0%
      Bancroft, SD502550.0%
      Erwin, SD542550.0%
      Hazel, SD1432550.0%
      Naples, SD442550.0%
      Willow Lake, SD4452550.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Caldwell, AR4454510.0%
      Fort Thomas, AZ445476.0%
      Sugar City, CO4452060.0%
      Fenwick Island, DE4453628.0%
      Norway, IA4453922.0%
      Willow Lake, SD4452550.0%
      Source: The Willow Lake, SD weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.