The National Weather Service has issued a severe thunderstorm warning for Maricopa County starting at 5:15 p.m. Aug. 30. The warning expires at 6 p.m. Aug. 30.
A severe thunderstorm was located 8 miles west of Painted Rock Dam, or 15 miles south of Tonopah, and is nearly stationary; 60 mph wind gusts were expected.
Expect damage to roofs, siding and trees.
Locations impacted included Tonopah, Palo Verde Nuclear Generation Station, and Wintersburg.
This included Interstate 10 between mile markers 94 and 99.
Why is the monsoon so unpredictable? It takes a lot to make a good thunderstorm
For the latest watches and warnings, see our weather alert page .
Tips for driving in the rain
The Arizona Department of Transportation provided the following safety tips for driving in the rain :
- Inspect windshield wipers and replace them if necessary prior to expected rainfall.
- Turn on the headlights.
- Reduce speeds.
- Avoid sudden braking on wet pavement.
- Create a “space cushion” between your vehicle and the vehicle in front of you.
- Avoid areas where water has pooled in travel lanes.