TODAY AUG14
TEMPERATURE64
HUMIDITY100
PRESSURE30.01
WIND COND.80 3.4
  • 8867Tue20%
  • 7966Wed60%50%
  • 8265Thu20%40%
  • 8264Fri40%40%
  • 8462Sat
daynightWeather update from Sterling Rockfalls at

Morrison Average Weather

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 6% worse than the national average.
  • The pollution index in Morrison is 58% better than the national average.

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Compare Morrison, IL Weather To Other Cities

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.