Salt Lake City woke up to clear skies and a comfortable 73°F at the airport on Wednesday morning, July 8, but the easy start is not sticking around. Temperatures are set to rocket into the upper 90s by late afternoon, and many valley neighborhoods look headed for triple digits later this weekend. A small chance of high-based showers or thunderstorms this afternoon could flip the switch on sudden, strong outflow winds.
Afternoon Outlook
Sunshine will rule most of Wednesday with a forecast high near 97°F and light south-southwest breezes around 5 to 6 mph, so expect a quick warm-up before lunchtime. Temperatures will hang in the mid-90s through the late afternoon, turning mid-day errands, construction work, and outdoor workouts into a slog. Any isolated storms that bubble up near the mountains are more likely to kick out brief, gusty downdrafts than deliver meaningful rain.
Fire Weather And Gusty Outflows
Forecasters say a passing disturbance will support scattered, high-based storms across northern and central Utah this afternoon and evening. When one of those storms drops an outflow, the wind can arrive with little warning. Some of those outflow gusts could spike to 50 to 70 mph in isolated spots, and locally critical fire weather conditions are expected across parts of central and southern Utah.
The National Weather Service has issued Red Flag Warnings for portions of the state through Wednesday evening. Check the latest briefing from the National Weather Service before planning any outdoor burning or backcountry trips.
Weekend Heat
A strong high-pressure ridge is expected to build into the weekend, sending valley highs into triple-digit territory: around 104°F on Saturday, July 11, 106°F on Sunday, July 12, and near 102°F on Monday, July 13. Overnight lows in the upper 60s to low 70s will not provide much of a cool-down, increasing the risk of heat-related illness for outdoor workers and anyone without reliable air conditioning.
Try to schedule heavy yard work, construction, and exercise for the cooler morning or evening hours, and keep an eye on older neighbors, people with chronic health conditions, and pets that spend time outside.
Where To Cool Off
Salt Lake County maintains a network of public Cool Zones for anyone who needs a break from the heat. The Weigand Center at 437 W 200 S and the Gail Miller Resource Center at 242 W Paramount Ave are among the locations offering air conditioning and water. For hours and a full list of spots, head to Salt Lake County.
Quick Tips
Hydrate early and often, and skip heavy exertion during the late morning and afternoon if you can. Give outdoor crews and delivery workers extra breaks, shade, and water. With strong, erratic winds in the forecast and Red Flag conditions in parts of the state, secure loose patio furniture and hold off on outdoor burning or fireworks. If you spot an active wildfire, call 911 immediately.
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