Near‑100°F heat moves into Denver this weekend with Heat Advisories in effect. Find cooling centers and heat‑safety tips.

Castle Rock moved to mandatory Stage 2 drought restrictions July 21, limiting outdoor watering to two days a week and aiming for roughly 25% savings.

Afternoon storms could bring heavy downpours and localized flooding; heat spikes into the upper‑90s this weekend.

Clear morning; highs near 95°F Tuesday with a slight chance of late‑day storms. Heavier storms expected Wednesday–Thursday, then a hot near‑100°F weekend.

Highs near 100°F today under a Heat Advisory through 9 PM MDT. Monsoonal moisture returns midweek with rising storm and heavy‑rain chances.

Boulder Reservoir's swim beach was closed after officials spotted a possible harmful algae bloom. Officials are testing water and warned pet owners to keep dogs away.

A Heat Advisory runs through Monday night as highs approach 100°F. Local cooling centers are available and safety tips are inside.

Heat Advisory for Denver metro Sunday–Monday with highs near 100°F. Cooling centers may open; call 2‑1‑1 for locations.

The Martin Lake swim beach at Lathrop State Park was closed after tests showed E. coli above state safety limits. Park officials say it will reopen only after follow-up samples are safe.

Heavy storms sent flash flooding across Garfield County on Thursday, leaving several rural roads underwater and prompting deputies to respond.

Denver heats up Friday with highs near 95F and weekend highs climbing toward 99F. Cooling centers are open and a Heat Advisory may be issued for the metro.

Northern Water is releasing stored supplies from other basins to shore up Cache la Poudre flows while Fort Collins asks residents to conserve amid a dry year.

Timnath Reservoir has been opened temporarily to anglers under an emergency salvage authorization as water levels fall and a large fish kill becomes likely. Officials have suspended bag limits and waived certain permits to let people harvest fish now.