TODAY MAR01
TEMPERATURE57
HUMIDITY41
PRESSURE100850
WIND COND.200 38.9
  • 6751Sat
  • 6835Sun20%
  • 5428Mon
  • 5331Tue
  • 5331Wed20%
daynightWeather update from Storm Lake at
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Weather Quick Facts

  • The highest monthly average temperature in Alta for July is 74 degrees
  • The lowest monthly average temperature in Alta for January is 20.5 degrees
  • The most monthly precipitation in Alta occurs in May with 5.8 inches
  • The air quality index in Alta is 17% better than the national average
  • The pollution index in Alta is 72% better than the national average

Compare Alta, IA Weather

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      Alta 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
      January13°F29°F20°F0.2"
      February14°F31°F22°F2.0"
      March29°F47°F36°F0.7"
      April39°F61°F49°F3.9"
      May50°F73°F61°F5.8"
      June61°F82°F71°F2.9"
      July64°F85°F74°F2.8"
      August62°F81°F70°F2.6"
      September54°F76°F64°F2.7"
      October42°F62°F51°F1.9"
      November29°F49°F37°F0.9"
      December17°F32°F24°F3.5"

      Alta 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.
      IndexAltaIowaNational
      Air quality index353942
      Pollution index769,6971,154,5352,726,193

      Alta air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality322
      Days with moderate air quality42
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Alta air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.002%
      Mercury0.000%

      Average monthly Alta temperature with heat index

      Alta monthly precipitation with daily maximum

      Alta monthly snow depth with daily maximum

      Alta monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Aurelia, IA8923530.0%
      Early, IA7453530.0%
      Truesdale, IA1133530.0%
      Cherokee, IA4,8833530.0%
      Lakeside, IA9903530.0%
      Alta, IA1,9783530.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Prestbury, IL1,9780100.0%
      Reinholds, PA1,9784216.0%
      Glenwood, AR1,9793824.0%
      Long Beach, MD1,9794118.0%
      Three Forks, MT1,9772550.0%
      Alta, IA1,9783530.0%
      Source: The Alta, IA 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.