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TUCSON - Not quite the Monsoon in May, but the thunder rolls today.

Triggering scattered thunderstorms on this Wednesday is an area of low pressure near Rocky Point, according to News 4 Meteorologist Jeff Beamish. As of 9 AM, storms were already developing in the southeastern corner of Cochise County. Expect more storms to develop, moving eastward as the day progresses. Areas east of a Sells-Casa Grande line should see the best chance of scattered storms.

The time frame for storms in Tucson is 11 AM-8 PM.

Rainfall amounts today should be rather light, with many spots in Tucson only seeing up to 0.10". Because dry air in the valley floors evaporates much of the falling rain, dry lightning strikes and dust storms along I-10 are expected.

Tomorrow sees the thunder threat shift to the New Mexico border, with mostly sunny skies elsewhere. Low pressure slides into Texas by late week, as drier weather resumes over southern Arizona.

Mother's Day weekend looks toasty. A ridge of high pressure over the state rises temps at or near 100 degrees starting Saturday. Monday looks to be the best shot at Tucson hitting the 3rd triple digit day of 2012.

For a complete look at Jeff's True View 4 extended forecast, visit KVOA.com/weather. Stay with News 4 Tucson & KVOA.com for the latest weather updates today.

Track today's storms with our KVOA.com Interactive Weather Map. To get started, click here.