UV Index

Snow Across the Great Lakes, Central Appalachians, and Northeast; Unsettled Weather in the West

Light to moderate snow will continue into Saturday over the Great Lakes, Central Appalachians, and Northeast. This weekend into next week, a series of atmospheric rivers will bring gusty winds, periods of heavy rain, and mountain snow to northern California and the Pacific Northwest. Colder temperatures are in store for the weekend from the Great Lakes to East Coast. 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