TODAY NOV22
TEMPERATURE33
HUMIDITY96
PRESSURE100710
WIND COND.
  • 4433Fri
  • 4633Sat
  • 5543Sun
  • 4922Mon
  • 3724Tue
daynightWeather update from Pontiac Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Flanagan for July is 74.7 degrees
  • The lowest monthly average temperature in Flanagan for January is 26.6 degrees
  • The most monthly precipitation in Flanagan occurs in July with 10.4 inches
  • The air quality index in Flanagan is 5% worse than the national average
  • The pollution index in Flanagan is 184% worse than the national average

Compare Flanagan, IL Weather

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      Flanagan 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°F35°F27°F3.7"
      February20°F37°F28°F2.9"
      March33°F52°F41°F4.7"
      April42°F66°F53°F5.6"
      May54°F76°F64°F6.5"
      June63°F84°F73°F7.6"
      July65°F85°F75°F10.4"
      August62°F83°F72°F7.8"
      September55°F79°F66°F7.6"
      October44°F66°F54°F4.3"
      November34°F53°F42°F5.5"
      December24°F39°F31°F3.5"

      Flanagan 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.
      IndexFlanaganIllinoisNational
      Air quality index444142
      Pollution index7,745,2003,148,6942,726,193

      Flanagan air quality

      MeasurementTotal
      Days measured364
      Days with good air quality256
      Days with moderate air quality108
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.030%
      Benzene0.070%
      Carbon Tetrachloride0.020%
      Lead0.860%
      Mercury0.210%

      Average monthly Flanagan temperature with heat index

      Flanagan monthly precipitation with daily maximum

      Flanagan monthly snow depth with daily maximum

      Flanagan monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Dana, IL990100.0%
      Wenona, IL1,0770100.0%
      Long Point, IL2500100.0%
      Rutland, IL2790100.0%
      Cornell, IL4280100.0%
      Flanagan, IL9494412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Littleville, AL9493726.0%
      Magazine, AR9493628.0%
      Flemington, GA9493922.0%
      White Plains, KY9494020.0%
      Kenansville, NC9494020.0%
      Flanagan, IL9494412.0%
      Source: The Flanagan, IL 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.