Jul 31, 2012 11:41 AM
TUCSON - An uptick in storm activity on tap this Tuesday.
A mid-level disturbance will be the trigger for scattered thunderstorms today, according to News 4 Meteorologist Jeff Beamish. Storms should fire up east of a Tucson-Nogales line, with the bulk of these scattered storms over Cochise, Graham and Greenlee Counties. Expect this activity to develop around lunchtime and taper off after midnight.
Some storms will be capable of producing flash flooding today. For that reason, the Monsoon Prediction Index is at a 5 out of 10 this afternoon and evening. It won't take much rain to get area washes & streams running.
Drier air begins working in from the east as the week progresses. After a chance of isolated storms Wednesday, the thunder threat shuts down by week's end. Enough moisture returns this weekend to bring back isolated storms to southern Arizona.
Highs temps over the next 7 days range from the mid 90's this afternoon to 100's by Thursday and Friday. Morning lows drop into the 70's through early next week.
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