University of Chicago weather
Ryerson Observatory
1100 E. 58th St., Chicago, IL 60637 : 41.8 N - 87.6 W - 690 ft
11/07/09 06:42:10
Sunrise: 06:31 - Sunset: 16:38 - Moon: Waning 76% Full

Current local conditions:

Temperature: 55.1 F
Wind Chill: 55.1 F
Heat Index: 55.1 F
Wind: WSW  at   14  mph
High Wind: 33 mph at 01:32
Recent Avg Wind: 15 mph
Recent Beaufort Scale: Moderate Breeze
Humidity: 74 %
Today's Rain: 0.00  in
Rain Rate: 0.00  in/hr
Current radiation in the basement of the Regenstein Library: 7 μR/hr (info)

Past records for this station:

National Weather Service forecast for Chicago:

Last Update: 6:09 am CST Nov 7, 2009
Hazardous Weather Outlook

Today: Sunny, with a high near 66. Breezy, with a west southwest wind 15 to 20 mph decreasing to between 5 and 10 mph. Winds could gust as high as 25 mph.
Tonight: Mostly clear, with a low around 50. North northwest wind around 5 mph.

Sunday: Partly sunny, with a high near 66. South southeast wind between 5 and 15 mph.

Sunday Night: Mostly cloudy, with a low around 49. South southwest wind around 15 mph.

Monday: A 20 percent chance of showers. Mostly cloudy, with a high near 63. Southwest wind around 15 mph.

Monday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 41.

Tuesday: Mostly sunny, with a high near 54.

Tuesday Night: Mostly clear, with a low around 37.

Veterans Day: Sunny, with a high near 56.

Wednesday Night: Partly cloudy, with a low around 39.

Thursday: Mostly sunny, with a high near 56.

Thursday Night: Mostly cloudy, with a low around 40.

Friday: Partly sunny, with a high near 53.

Chicago clear sky clock in ascii-art: 
         22|#         11111111112222|#         111111111
    Time 23|S12345678901234567890123|U123456789012345678
  cloud2 ..|........................|.......,,.,.,,.....
  trans2 ::|::::::::::::::::,,,,,,,:|:::::::ooooooo:::::
 seeing2 oo|oooooooo         :::,,,,|,,,,,,,,         oo
   wind2 oo|ooooooooo:::::,,,,,,,,,,|,,,::::            
    hum2 ::|::,,,,,,,:::::::::::,,,,|,......            
   temp2 ::|:::::::::,,,,,,,,:::::::|:::::::::::,,,,,,,,

Key: larger character = worse for astronomy

Weather station and web page maintained by the Ryerson Astronomical Society at the University of Chicago. Send questions and comments to Luitien Pan (weather station chief) or William Vaughan (current RAS president).

Local weather data collected using a Vantage Pro2 weather station from Davis Instruments. Thanks to the SGFC for providing funding to purchase this station.

Radar maps and forecasts are from the National Weather Service. Satellite images are from the Space Science and Engineering Center at UW-Madison. Clear sky clocks are from ClearDarkSky, using data from the Canadian Meteorological Center. Midway webcam images are from NSIT.

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