UV Index Forecast

UV index forecasts at local solar noon for today and the coming days, based on clear-sky conditions and in the absence of snow. 

Fri Sat Sun Mon Tue Wed Wed
UV Index UV Index UV Index UV Index UV Index UV Index
4.8 4.5 4.4 4.4 4.2 3.5 n/a
 Medium   Medium   Medium   Medium   Medium   Medium 

UV forecast courtesy of and Copyright © KNMI/ESA (http://www.temis.nl/). Used with permission.

UV Index Legend
UV Index Scale




Random Weather Facts

Weather Terms
Flash Flood Warning - Flash flooding is occurring, imminent or highly likely. A flash flood is a flood that occurs within 6 hours of excessive rainfall and that poses a threat to life and/or property. Ice jams and dam failures can also cause flash floods. These warnings are issued on a county by county basis by the local Weather Forecast Office in Chicago/Romeoville and are generally in effect for up to 6 hours.