A fresh, new Climate.Colostate.edu!

Out with the old and in with the new! We've launched a new website! Many new features, interactive maps, and general climate information have been added. We hope you find it useful and enjoy browsing through it. Read more...

Read the latest monthly summary from the Fort Collins Campus Weather Station:

May 2017 Summary

Get access to data from hundreds of National Weather Service COOP stations from around the state. View daily, monthly, or annual temperature, precipitation, and snowfall data from the late 19th century all the way up to yesterday!

Data Access

Visit our Climate Extremes page for locations and dates of various climate extremes. Where and when has the warmest January temperature occurred? What was the wettest day ever recorded in May? Get the answers here!

Check out our newly developed NMME Seasonal Forecast tool! Using climate model predictions from the North American Multi-Model Ensemble, we've created a tool that gives a probabilistic forecast of temperature and precipitation across the region for the next 6 months.