PORTLAND, Ore. (KOIN) — With weather models pointing to triple-digit temperatures starting Saturday through Monday, many places throughout the region are making the decision to either cancel or adjust events and operating hours.

Below is a running list of cancellations, adjusted operating hours and other ways businesses and organizations are preparing for the expected heatwave hitting the area this weekend, and check back for the latest updates:

5:30 p.m. — OHA suspends capacity limits

Capacity limits at swimming pools, movie theaters and shopping malls in Oregon have been suspended. The Oregon Health Authority said it made the decision “in response to forecasts of dangerous historic temperatures… to help Oregonians stay cool this weekend.”

The change is effective immediately and follows the suspension of capacity limits at cooling centers and on public transit.

4:45 p.m — TriMet issues alert

Beginning Saturday, June 26 thru Monday, June 28, all MAX Lines/WES Commuter Rail may be delayed when temperatures are over 90. For temperatures over 105, WES Commuter Rail will be served by shuttle buses. Please plan ahead if traveling during this heatwave.

10 a.m. — Hillsboro prepares for heat wave

The City of Hillsboro is preparing for the heatwave, opening up four cooling centers around the area. Those cooling centers will be open Saturday through Monday, 10 a.m. to 8 p.m. Face coverings are required.

Cooling Centers:

  • Brookwood Library
    2850 NE Brookwood Parkway
  • Hillsboro Civic Center (above Outdoors In, staffed by Project Homeless Connect)
    120 East Main Street
  • Hillsboro Community Senior Center
    750 SE 8th Avenue
  • Wingspan Event and Conference Center — Pet-friendly location
    Westside Commons, 801 NE 34th Avenue (Formerly the Washington County Fair Complex). Please Bring pets in a crate, with a collar, leash, ID tags, food & bowls.

Hillsboro is also offering tap water dispensers, open Saturday through Monday, 6 a.m. to 8 p.m. Bring your own refillable water bottle, cup, or container.

Tap water dispensers:

  • Downtown Hillsboro
    2nd Avenue & Main Street
  • Shute Park
    750 SE 8th Ave

Furthermore, six spraygrounds are open daily from 10 a.m. to 8 p.m.


  • 53rd  Avenue Community Park 
    300 NE 53rd Avenue
  • Butternut Creek Park
    7830 SE, SW Deline St
  • Magnolia Park
    1810 NW 192nd Avenue
  • Walnut Street Park
    1717 SE Walnut Street
  • Jerry Willey Plaza at Orenco Station
    943 NE Orenco Station Loop
  • Tom Hughes Civic Center Plaza*
    150 E Main Street *(Open at 8 am)

9 a.m. — Woodland Summer School programs canceled Monday

All Woodland Summer School programs will be closed Monday, June 28th. According to officials, the cancelation was issued due to the excessive heat warnings. Find more information here.

9 a.m. — Oregon State Parks offers safety reminders for hot weather ahead

The Oregon Parks and Recreation Department is reminding everyone to be safe, be prepared, stay hydrated and follow campfire restrictions as we hit record-high temperatures.

“Plan to arrive early, and pass by if the parking lot is full,” said OPRD spokesperson Chris Havel. “Have a plan B in case the destination you chose is at capacity.”

8 a.m. — Oregon Zoo keeping animals cool through heatwave

An Oregon Zoo spokesperson tells KOIN 6 News officials are monitoring and may close early at some point during the extreme heat forecasted this weekend; however, that has yet to be determined, and zoo officials will alert ticket holders in advance.

As for the animals, zookeepers are preparing in advance for this weekend’s triple-digit heat, including making sure all creatures — animals and humans alike — have plenty of water and access to cool spaces. Staff may also end up using ice piles, fans, hoses and sprinklers, and frozen food items for the animals.

Meanwhile, Nora the polar bear and Samudra the elephant are both greatly enjoying their respective pools.