TODAY JUN02
TEMPERATURE74
HUMIDITY60
PRESSURE29.98
WIND COND.230 6.9
  • 9170Tue20%
  • 8663Wed30%40%
  • 8767Thu30%
  • 8563Fri30%30%
  • 8260Sat
daynightWeather update from Sterling Rockfalls at
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Morrison 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 Morrison for August is 73 degrees.
  • The lowest monthly average temperature in Morrison for December is 23 degrees.
  • The most monthly precipitation in Morrison occurs in August with 9.2 inches.
  • The air quality index in Morrison is 7% worse than the national average.
  • The pollution index in Morrison is 59% better than the national average.

Compare Morrison, IL Weather To Other Cities

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      Morrison 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.
      IndexMorrisonIllinoisNational
      Air quality index534150
      Pollution index2,097,7403,347,2955,066,862

      Morrison 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

      Morrison air quality information

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

      Average monthly Morrison temperature with heat index

      Morrison monthly precipitation with daily maximum

      Morrison monthly snow depth with daily maximum

      Morrison monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Andover, IA113536%
      Coleta, IL196536%
      Fulton, IL3,455536%
      Prophetstown, IL2,093536%
      Thomson, IL563536%
      Morrison, IL3,992536%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Fort Pierce South, FL3,9922942%
      McGehee, AR3,9913726%
      Skyline View, PA3,993524%
      Washington, GA3,9943922%
      Chelan, WA3,9892746%
      Morrison, IL3,992536%
      Source: The Morrison, 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.