TODAY JUN01
TEMPERATURE80
HUMIDITY47
PRESSURE29.98
WIND COND. 5.8
  • 9170Tue
  • 8763Wed30%40%
  • 8767Thu30%
  • 8663Fri30%30%
  • 8360Sat
daynightWeather update from Sterling Rockfalls at
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Prophetstown 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°F2.9"
February17°F32°F24°F2.5"
March31°F52°F39°F4.5"
April39°F65°F50°F6.4"
May50°F76°F62°F3.5"
June61°F86°F73°F6.1"
July61°F86°F73°F7.8"
August64°F85°F73°F9.2"
September55°F82°F67°F3.9"
October45°F69°F56°F1.9"
November30°F52°F40°F4.2"
December17°F31°F23°F1.5"

Did you know?

  • The highest monthly average temperature in Prophetstown for August is 73 degrees.
  • The lowest monthly average temperature in Prophetstown for December is 23 degrees.
  • The most monthly precipitation in Prophetstown occurs in August with 9.2 inches.
  • The air quality index in Prophetstown is 7% worse than the national average.
  • The pollution index in Prophetstown is 59% better than the national average.

Compare Prophetstown, IL Weather To Other Cities

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      Prophetstown 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.
      IndexProphetstownIllinoisNational
      Air quality index534150
      Pollution index2,097,7403,347,2955,066,862

      Prophetstown air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality158
      Days with moderate air quality204
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality

      Prophetstown air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.060%
      Carbon Tetrachloride0.000%
      Lead0.001%
      Mercury0.300%

      Average monthly Prophetstown temperature with heat index

      Prophetstown monthly precipitation with daily maximum

      Prophetstown monthly snow depth with daily maximum

      Prophetstown monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Como, IL408536%
      Hillsdale, IL557536%
      Morrison, IL3,992536%
      Tampico, IL621536%
      Deer Grove, IL39536%
      Prophetstown, IL2,093536%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Churchville, NY2,0933628%
      Lithonia, GA2,093524%
      Hurlock, MD2,0923726%
      Forest City, PA2,0924020%
      Shelby, MI2,0923824%
      Prophetstown, IL2,093536%
      Source: The Prophetstown, 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.