TODAY NOV07
TEMPERATURE44
HUMIDITY67
PRESSURE101860
WIND COND.210 37.1
  • 5034Fri
  • 5238Sat50%
  • 5133Sun
  • 4531
  • 5035Tue40%
daynightWeather update from Thief River Falls, Thief River Falls Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Thief River Falls for July is 68.7 degrees
  • The lowest monthly average temperature in Thief River Falls for January is 8.2 degrees
  • The most monthly precipitation in Thief River Falls occurs in September with 5.7 inches
  • The air quality index in Thief River Falls is 22% better than the national average
  • The pollution index in Thief River Falls is 83% better than the national average

Compare Thief River Falls, MN Weather

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      Thief River 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
      January0°F17°F8°F1.0"
      February1°F19°F9°F1.1"
      March18°F35°F26°F2.6"
      April32°F52°F41°F2.4"
      May44°F66°F54°F3.9"
      June54°F75°F64°F4.8"
      July58°F80°F69°F4.8"
      August55°F78°F66°F4.9"
      September48°F70°F58°F5.7"
      October36°F55°F44°F3.8"
      November22°F38°F29°F1.5"
      December4°F20°F12°F0.8"

      Thief River 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.
      IndexThief River FallsMinnesotaNational
      Air quality index333542
      Pollution index466,5791,854,5192,726,193

      Thief River Falls air quality

      MeasurementTotal
      Days measured363
      Days with good air quality327
      Days with moderate air quality34
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality1

      Air quality details

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

      Average monthly Thief River Falls temperature with heat index

      Thief River Falls monthly precipitation with daily maximum

      Thief River Falls monthly snow depth with daily maximum

      Thief River Falls monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Holt, MN823334.0%
      Plummer, MN2823334.0%
      St. Hilaire, MN2543334.0%
      Viking, MN1333334.0%
      Thief River Falls, MN8,7923334.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Clinton, MO8,792476.0%
      Glenshaw, PA8,7915612.0%
      Live Oak, CA8,7943530.0%
      Garrison, MD8,794468.0%
      Nanaimo F, BC8,789n/a 
      Thief River Falls, MN8,7923334.0%
      Source: The Thief River Falls, MN 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.