On Sunday, the storm will move across the lower 48 states.
PHOENIX — Pinal County is under a dust storm warning until 8 p.m., with dust likely reaching the valley.
Outflow winds also have the potential to trigger new storms.
Storm reportedly could move away from Phoenix area National Weather Service.
Check out the live radar here
The high temperature in Phoenix reached 111 degrees on Sunday. Looking ahead to the new work week, casual labor is expected to be 110-115.
Heat warnings may be in place for Saturday and Sunday.
Instant updates
Thunderstorms are affecting parts of Pinal and Gila counties, according to the National Weather Service.
Casa Grande, Arizona City and Toltec are under a severe thunderstorm warning, according to the National Weather Service.
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