TODAY NOV21
TEMPERATURE35
HUMIDITY86
PRESSURE
WIND COND.104 19.3
  • 4532Fri100%100%
  • 4225Sat90%70%
  • 3919Sun50%
  • 3821Mon
  • 3821Tue
daynightWeather update from THOMPSON FALLS A/P at
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Weather Quick Facts

  • The highest monthly average temperature in Thompson Falls for July is 60.7 degrees
  • The lowest monthly average temperature in Thompson Falls for December is 20.6 degrees
  • The most monthly precipitation in Thompson Falls occurs in March with 6.5 inches
  • The air quality index in Thompson Falls is 12% better than the national average
  • The pollution index in Thompson Falls is 59% better than the national average

Compare Thompson Falls, MT Weather

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      Thompson Falls 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
      January19°F28°F23°F4.8"
      February19°F30°F24°F4.6"
      March23°F34°F27°F6.5"
      April27°F41°F32°F3.4"
      May35°F52°F42°F2.7"
      June42°F60°F49°F3.5"
      July53°F72°F61°F1.0"
      August51°F71°F59°F1.0"
      September44°F61°F50°F1.6"
      October32°F45°F37°F4.2"
      November23°F33°F27°F6.4"
      December16°F25°F21°F6.1"

      Thompson Falls 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.
      IndexThompson FallsMontanaNational
      Air quality index373442
      Pollution index1,107,360834,4732,726,193

      Thompson Falls air quality

      MeasurementTotal
      Days measured365
      Days with good air quality302
      Days with moderate air quality62
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.000%
      Lead0.004%
      Mercury0.000%

      Average monthly Thompson Falls temperature with heat index

      Thompson Falls monthly precipitation with daily maximum

      Thompson Falls monthly snow depth with daily maximum

      Thompson Falls monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Belknap, MT2493726.0%
      Thompson Falls, MT1,4893726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Herscher, IL1,4890100.0%
      Ness City, KS1,4891570.0%
      La Huerta, NM1,489476.0%
      Greenwich, OH1,4894118.0%
      New Fairview, TX1,489512.0%
      Thompson Falls, MT1,4893726.0%
      Source: The Thompson Falls, 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.