Arizona weather forecast: A warm weekend expected for Phoenix
Evening Weather Forecast - 4/18/26
Saturday's high was above-average, as the Valley hits the 90s, making for a hot spring weekend. FOX 10's Ashley Loaeza has more on when we can expect wind gusts of up to 45 mph.
PHOENIX - The heat was on in the Valley with warmer temperatures in store for the rest of the weekend.
This Weekend:
Phoenix hit a high of 91° with the average sitting at 86 ° on Saturday. Temperatures will continue to warm under a ridge of high pressure that will bring us in the upper 90s on Sunday.
A wind advisory is in place for parts of the Valley and southeastern Arizona as wind gusts are expected to pick up with the passage of a weak system. Easterly wind gusts in the Valley could be up to 30 mph. The wind advisory will begin at 3 a.m. and end at 11 a.m. High clouds will form on Sunday along with some virga.
Looking Ahead:
Temperatures will continue to be above average through the beginning of next week.
By Wednesday, temperatures should drop down into the 80s with dry conditions. Below average temperatures and above average precipitation is expected late next week into the weekend.
Friday:
Weekend Weather Forecast - 4/17/26 to 4/18/26
We're expecting our roller coaster-like pattern of warmer and cooler temperatures to continue, with temperatures in the 90s this weekend before another cooldown.
According to figures from the National Weather Service, Phoenix saw a high of 87°F on Friday, which is just one degree away from the seasonal average. The record high for April 17 was 100°F, which was first set in 1936, and matched in 1946 and 1987.
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The following heat safety information was provided by the Scottsdale Fire Department.
What are Heat Emergencies?
Heat Cramps: Profuse sweating, fatigue, extreme thirst, muscle cramps
Heat Exhaustion: Headache, dizziness, weakness, nausea/vomit, Cool/moist skin
Heat Stroke: Elevated temp. +103degrees, confusion/irrational behavior, dry/hot skin, rapid shallow breathing, rapid weak pulse (shock), seizures, unconscious
What to do
- Get person into shade or cool location.
- Cool person with cool, wet cloths (neck, groin, armpits, head) and fan body.
- Sip cool water if person is alert.
- For muscle cramps, massage muscles gently, but firmly until relaxed.
- *If symptoms worsen, call 911.
What not to do
- Do not give anything by mouth if person is vomiting, unable to swallow or unconscious.
- Do not underestimate the seriousness of a heat emergency.
- Prevention/Preparation for hike/exercise in heat.
Know your limitations
- Hydrate (begins day prior to hike/exercise, hour before hike, during and after).
- Wear proper clothing, lightweight and light color, protect head, proper shoes.
- Always carry a cell phone and best to hike with company.
- Always tell someone where you are hiking and when to plan to return.
Preventing heat exhaustion/heat stroke
The Arizona Department of Health Services stated the following precautions can be taken to prevent heat exhaustion or heat stroke:
- Stay in air-conditioned buildings.
- Find a cooling center/hydration station.
- Limit outdoor activity during the hottest part of the day (mid-day).
- Check on at-risk friends, family, and neighbors at least twice a day.
- Drink water before, during, and after working or exercising outside.
- Check the UV Index.
- Check the heat risk map.
Road Conditions
- Call 511 anywhere in Arizona or 1-888-411-ROAD (7623)
The Source: Information for this article was gathered by the FOX 10 Weather Experts.