Salt Lake City, Utah – Salt Lake City residents should brace for dangerous afternoon heat and a slight thunderstorm threat Tuesday as temperatures soar to 100°F.
According to the National Weather Service, a weak storm system will bring a 20% chance of showers and thunderstorms between 3 and 9 p.m. on Tuesday, July 15. Winds remain light, but the heat index could climb, especially along I-15 and downtown Salt Lake City. The highest risk period for pop-up storms is Tuesday evening, though most areas will remain dry.
Tuesday’s hot, dry conditions will amplify health risks for outdoor workers, the elderly, and pets. Residents are urged to stay hydrated, limit strenuous activity in the afternoon, and monitor power usage during peak hours.
Wednesday marks a slight cooldown, with highs near 93°F under sunny skies. By Thursday and Friday, the mercury will rise again into the mid to upper 90s. No significant rain chances are in the forecast for midweek.
This weekend, sunny skies dominate the outlook. Saturday and Sunday will feature highs in the low to mid-90s, with mild overnight lows near 69°F. No major weather disruptions are expected, making it a favorable weekend for outdoor plans — but UV levels remain high, so sunscreen and shade are essential.
⚠️ Warnings remain in place Tuesday afternoon for heat-related illnesses. Stay informed for any future thunderstorm advisories.
🔎 5-Day Forecast: Salt Lake City (July 15–20)
- Tuesday: 100°F, slight PM thunderstorm chance (20%)
- Wednesday: 93°F, sunny
- Thursday: 96°F, sunny
- Friday: 96°F, mostly sunny
- Saturday: 94°F, sunny
- Sunday: 96°F, sunny




