Tucson, AZ – A round of thunderstorms could roll through Tucson Sunday afternoon, bringing lightning, gusty winds, and brief downpours on top of triple-digit heat. Highs are expected to reach 105°F before storms develop late in the day.
According to the National Weather Service, storm chances will be around 20% Sunday, mainly after 11 a.m., with winds possibly reaching 20 mph before calming overnight. The risk of isolated storms will continue into Monday and Tuesday, keeping humidity levels high and heat index values near dangerous levels for extended outdoor activity.
Sunday’s storms could impact travel along I-10, particularly between Tucson and Benson, and may prompt short-term power interruptions in some neighborhoods. Outdoor events, including afternoon youth sports and community gatherings, should have a backup plan in case of lightning or sudden downpours.
The monsoon pattern will remain in place through midweek, with slightly higher storm chances Wednesday and Thursday. The National Weather Service advises residents to stay alert for sudden weather changes, especially during evening commutes.
Five Day Tucson, AZ Forecast:
- Saturday: Sunny, slight storm chance late. High 106°F, low 78°F
- Sunday: 20% chance thunderstorms after 11 a.m., hot. High 105°F, low 78°F
- Monday: 20% chance thunderstorms after 11 a.m., hot. High 105°F, low 79°F
- Tuesday: 20% chance thunderstorms after 11 a.m., hot. High 106°F, low 78°F
- Wednesday: 30% chance thunderstorms after 11 a.m., mostly sunny. High 104°F, low 78°F
