TODAY APR13
TEMPERATURE52
HUMIDITY
PRESSURE101151.43
WIND COND.210 13
  • 7439Sat
  • 7440Sun
  • 6636Mon
  • 5932Tue
  • 4929Wed
daynightWeather update from THREEFORKS at
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Weather Quick Facts

  • The highest monthly average temperature in Three Forks for July is 69.6 degrees
  • The lowest monthly average temperature in Three Forks for December is 20 degrees
  • The most monthly precipitation in Three Forks occurs in June with 2.7 inches
  • The air quality index in Three Forks is 41% better than the national average
  • The pollution index in Three Forks is 89% better than the national average

Compare Three Forks, MT Weather

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      Three Forks 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
      January11°F35°F22°F0.3"
      February15°F39°F27°F0.4"
      March24°F51°F36°F0.9"
      April29°F59°F43°F1.7"
      May37°F67°F52°F2.2"
      June44°F78°F60°F2.7"
      July50°F90°F70°F0.8"
      August47°F87°F66°F1.2"
      September40°F77°F57°F1.0"
      October31°F61°F44°F1.3"
      November20°F44°F31°F1.0"
      December9°F32°F20°F0.5"

      Three Forks 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.
      IndexThree ForksMontanaNational
      Air quality index253442
      Pollution index293,782834,4732,726,193

      Three Forks air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality337
      Days with moderate air quality28
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Three Forks air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.004%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Three Forks temperature with heat index

      Three Forks monthly precipitation with daily maximum

      Three Forks monthly snow depth with daily maximum

      Three Forks monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Churchill, MT9892550.0%
      Willow Creek, MT2162550.0%
      Gallatin River Ranch, MT1202550.0%
      Harrison, MT642550.0%
      Amsterdam, MT1692550.0%
      Three Forks, MT1,9772550.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Carrington, ND1,9773628.0%
      Whitwell, TN1,977468.0%
      Alta, IA1,9783530.0%
      Prestbury, IL1,9780100.0%
      Des Allemands, LA1,9764118.0%
      Three Forks, MT1,9772550.0%
      Source: The Three Forks, MT 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.