UV Index

Western Fall Storm: Southwest Monsoon

A fall storm will bring widespread rains, gusty winds, and high elevation snow to the Northwest. Gusty winds ahead of the front will produce critical fire weather threats for portions of the Great Basin, northern Rockies, and Front Range. Locally heavy monsoon rains may produce flash flooding in the Southwest. Strong storms are possible in the Great Lakes into the Northeast. Read More >

Ultraviolet (UV) Index Forecasts

Text Forecast An easy to text listing of the daily UV forecast values for 58 cities across the U.S.

UV Forecast Cities Map A map of the U.S. with daily UV Index forecast values for 58 cities

UV Forecast Map with Contours A map of the U.S. that shows contours of daily UV Index forecast values

Search for Today's UV Index Search for today's UV Index by zip code or by city and state

UV Index Information Answers to common questions about the UV Index and UV radiation

A Guide to the UV Index Brochure developed by EPA for meteorologists, educators and public health officials on recommendations for reporting the UV Index.

Links to Related UV Index Sites