Ski Cooper will close Sunday after barely 100 days as a March heat wave and record‑low snowpack force small Colorado hills to end their seasons early.

A 117-acre wildfire east of San Luis forced mandatory evacuations as crews battled flames amid high fire danger across southern Colorado. County officials directed residents in the zone to head toward San Luis.

A National Weather Service Red Flag Warning triggered a countywide ban on open and agricultural burning in Boulder County. Officials warn gusty winds and very low humidity increase wildfire risk.

Erie told residents to keep sprinklers off after demand jumped nearly 30%, warning it could shut off taps if people ignore the order. The move aims to protect drinking water and hydrants.

A wildfire forced a shutdown of Colorado Highway 115 Thursday between County Road F45 and Barrett Road, snarling traffic south of Colorado Springs.

Environmental groups asked the 10th Circuit to revive a citizen suit accusing Suncor’s Commerce City refinery of repeated air pollution. Judges will decide whether the case returns to district court for a trial.

A Red Flag Warning will cover northeast Colorado Wednesday as gusty winds and low humidity raise wildfire risk. Local officials urge following burn bans and avoiding sparks.

A persistent, low-frequency hum is waking neighbors near Aurora Reservoir. Residents suspect nearby fracking is to blame.

About nine of every ten gallons consumed in Colorado support farms and ranches, much of it to grow hay and irrigate pastures — and a large share of runoff leaves the state.

Clear morning; highs near 49°F today then a rapid warm-up to the 70s and 80s. Gusty mountain winds and elevated fire danger expected later in the week.

High Wind Warning through 3 PM MDT Sunday with gusts up to 60 mph. Light snow this morning, then a sharp warm‑up into the 70s–80s later in the week.

Strong gusts this afternoon, then a late‑night cold front will drop rain to snow. Light city accumulations, heavier mountain totals — secure loose items and expect travel delays.

CAIC left several northern Colorado zones at 'considerable' avalanche danger after storms. A weekend fatality and a spike in avalanches make backcountry travel risky.