Monsoon likely to return later this week - East Valley Tribune: East Valley Local News

Monsoon likely to return later this week

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Posted: Wednesday, August 28, 2013 6:09 pm | Updated: 6:31 pm, Thu Feb 6, 2014.

Moisture is gradually increasing with Valley dewpoints climbing into the upper 50s Wednesday afternoon.

Isolated storms have fired in the desert areas south of the Valley with a few showers over the Superstitions. More scattered storms have also developed along the Mogollon Rim.

There is a blowing dust advisory for South Maricopa County and Northwest Pinal County until 7 p.m. Expect reduced visibility in that area.

Thanks to some daytime heating we'll see the threat of scattered storms continue through the evening. Storms that develop this evening could produce heavy rain, gusty winds, and frequent lightning. Some of the stronger storms will also be capable of producing severe winds in excess of 60 mph.

Be prepared for what could be a very quickly changing weather situation through the evening.

Moisture will just continue to ramp up tonight through Friday thanks to remnants from Tropical Storm Fernand moving in from the southeast. We'll also see more moisture moving in from the southwest thanks to Tropical Storm Juliette that's tracking northwest off the coast of Baja California.

The first wave of this tropical moisture will surge into our state tonight bumping up our rain chances. We'll keep a chance for areas of rain tonight into Thursday morning as clouds and moisture move in from the southeast.

Thursday will stay mostly cloudy with chances for scattered showers and embedded thunderstorms. While storms likely won't be widespread on Thursday, we could see pockets of heavy rain should showers or storms develop.

Thanks to clouds and the chance for rain through the day, temperatures will only climb into the low to mid 90s on Thursday.

By Friday we'll see more moisture from Tropical Storm Juliette filter in from the south. This will only add to the already moist conditions across the state giving us a better shot for more widespread showers. We'll also see the threat for stronger storms on Friday should we manage to see enough atmospheric instability.

Should we see more widespread shower and storm development on Friday, flooding could also become a concern.

Temperatures on Friday will also struggle to get too hot thanks to the cloud cover and rain chances. Plan on highs in the mid 90s across the Valley.

Clouds and chances for rain will stick around through early Saturday keeping temperatures in the upper 90s to start the weekend.

We'll start to finally see some drying as we head into the first week of September with only slight chances for afternoon and evening storms through Wednesday.

Temperatures will also start to recover climbing back closer to average by next week.

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