TODAY MAR08
TEMPERATURE46
HUMIDITY51
PRESSURE30.32
WIND COND.170 20.5
  • 5837Mon
  • 6453Tue
  • 6350Wed60%40%
  • 5633Thu
  • 4731Fri
daynightWeather update from Chicago / Wheeling, Pal-Waukee Airport at

Key findings

  • The highest monthly average temperature in Prairie Grove for July is 74 degrees
  • The lowest monthly average temperature in Prairie Grove for January is 25 degrees
  • The most monthly precipitation in Prairie Grove occurs in June with 4.7 inches
  • The air quality index in Prairie Grove is 22% better than the national average
  • The pollution index in Prairie Grove is 89% better than the national average

Compare Prairie Grove, IL Weather

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      Prairie Grove 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
      January18°F33°F25°F1.1"
      February19°F34°F26°F1.4"
      March30°F48°F38°F1.8"
      April39°F60°F49°F2.7"
      May49°F71°F60°F3.6"
      June60°F81°F69°F4.7"
      July65°F85°F74°F4.0"
      August64°F83°F73°F4.4"
      September56°F76°F66°F2.7"
      October45°F64°F54°F3.2"
      November34°F50°F42°F1.7"
      December23°F37°F30°F2.0"

      Prairie Grove 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.
      IndexPrairie GroveIllinoisNational
      Air quality index394150
      Pollution index543,5163,347,2955,066,862

      Prairie Grove air quality information

      MeasurementTotal
      Days measured203
      Days with good air quality174
      Days with moderate air quality28
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Prairie Grove air quality information

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

      Average monthly Prairie Grove temperature with heat index

      Prairie Grove monthly precipitation with daily maximum

      Prairie Grove monthly snow depth with daily maximum

      Prairie Grove monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Greenwood, IL4253726%
      Hebron, IL1,2883726%
      Third Lake, IL1,2663922%
      Johnsburg, IL6,2853922%
      Oakwood Hills, IL2,1153922%
      Prairie Grove, IL1,7043922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Horton, KS1,7044314%
      Hudson, IL1,7044412%
      Newaygo, MI1,7043824%
      Independence, LA1,7043040%
      Claysburg, PA1,7044118%
      Prairie Grove, IL1,7043922%
      Source: The Prairie Grove, 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.