Phoenix is under sunny skies and dangerous heat today, with the high climbing near 114°F and an Extreme Heat Warning in effect regionwide through Tuesday — so plan any outdoor errands for early morning or after sunset and skip strenuous activity during the afternoon peak.
Today’s Setup
The National Weather Service in Phoenix says a near-record strength high pressure system is parked overhead, with 500mb heights measuring around 600 decameters — right near record territory. That’s pushing today’s high to around 114°F with heat index values matching, after an overnight low of only 91, rising to near 93 before sunrise. Winds stay light out of the southwest at 0 to 10 mph.
Best Window To Be Outside
If you’re walking the Arizona Canal Path, hitting Papago Park, or squeezing in a loop before the Echo Canyon trail on Camelback Mountain, get moving before 7 AM. By mid-morning, pavement and trail surfaces are already dangerous, and NWS Phoenix notes both highs and lows are running near daily records. Pools and splash pads are your best bet from late morning through evening.
Heat And Fire Danger
Forecasters describe widespread Major to Extreme HeatRisk today and Monday, with only slow cooling expected — Monday’s high stays near 113°F before a bigger 2-4 degree drop into Tuesday. With the ground baked dry after weeks like this, fire risk climbs fast around desert brush and rural properties. It’s worth having a fire extinguisher home within reach, an N95 respirator mask smoke on hand for smoke-impacted air days, and a go bag emergency evacuation kit packed in case conditions turn.
Games, Concerts, And What To Wear
Heading out tonight? Jo Koy Live plays Gila River Resorts & Casinos - Wild Horse Pass and The Pretty Reckless hits The Van Buren — both good indoor escapes from the heat. The Arizona Diamondbacks host the San Diego Padres at Chase Field Monday, August 4 and Tuesday, August 5; the roof stays closed for the game, but tailgating outside beforehand will be brutal, so hydrate hard and grab an Arizona Diamondbacks jersey for the AC-cooled seats. Later this week, Don Toliver’s Octane World Tour lands at Desert Diamond Arena Thursday, August 6 — Get tickets on SeatGeek if you’re going. For daytime, pool-day quick dry swim trunks and a lightweight sun hoodie (there’s a UPF 50+ sun hoodie deal worth a look) beat sunscreen alone, and you’ll find more picks in our outdoor gear deals.
Tonight’s Dinner And Next Few Days
It’s too hot to turn on the oven tonight — a cold Thai noodle salad or a smoothie bowl blitzed up in a high-powered blender is the smarter call. Need ingredients? You can order groceries on Amazon and have everything delivered to your door instead of standing in a hot parking lot.
Looking ahead, Monday holds steady near 113°F, still under the Extreme Heat Warning. Tuesday brings a bit of relief — highs easing to the 107-113°F range — but NWS Phoenix expects a surge of monsoon moisture Monday night into Tuesday, so it’ll feel more humid even as temperatures ease slightly.
