Time for rain? Weather Service says 60% T-storm chance | Monsoon

We haven't had a drop of rain for 80 days straight in Tucson, but the forecast for Wednesday is looking cloudy—in a good way.

The National Weather Service said our "long streak of no rain at the airport has a VERY GOOD chance of ending this afternoon/evening as moisture continues to increase from the south."

"We're expecting an active afternoon and evening with scattered showers and thunderstorms especially from the Tucson area eastward," forecasters said. "These showers and thunderstorms will produce strong gusty winds with areas of blowing dust along with brief rainfall underneath the stronger storms."

The 80 consecutive days without rain is the 6th longest stretch on record. The longest was in 2002, when no rain fell from March 30 to July 7. This year, the last measured precipitation was on April 10.

Check our live weather radar to see if a monsoon storm is approaching.

Tucson Weather Forecast - News


Time for rain? Weather Service says 60% T-storm chance | Monsoon
Time for rain? Weather Service says 60% T-storm chance | Monsoon

We haven't had a drop of rain for 80 days straight in Tucson, but the forecast for Wednesday is looking cloudy—in a good way. The National Weather Service said our "long streak of no rain at the airport has a VERY GOOD chance of ending this



Whatever you do on this scorcher of a day, do it inside, officials say

The Weather Service has a forecast a high of 109 degrees for Tucson today. Residents are encouraged to stay hydrated and limit strenuous activity to the early and evening hours during heat advisory days as well as to wear light-weight, loose-fitting



Monsoon revving up this holiday weekend

Tracking the dew point is important and you'll hear the KOLD First Alert Weather team talking quite a bit about that this time of year. Once there is a consistent dew point of 54 degrees or above for 3 days in a row, that generally signifies the deep



115 degrees possible; Weather Service warns of record heat
115 degrees possible; Weather Service warns of record heat

The Weather Service issued a heat advisory for those areas, including Tucson, Green Valley, Marana, Oro Valley and Oracle; Nogales, Sierra Vista, Benson, Willcox and Safford; and Ajo and Sells. The heat advisory will be in effect from noon until 7 pm



Monsoon making inroads to southern Arizona this week

A few of these thunderstorms may also produce dry lightning, elevating the wildfire danger east of the Tucson metro. To see Jeff's True View 4 extended forecast, visit KVOA.com/weather. For all things relating to the Monsoon, visit our Monsoon 2011




Rain in the Forecast! Not necessarily good news… : Tucson Weather

I have good news and I have bad news.  There is a slight chance of afternoon storms Wednesday of this week right through the 4th of July weekend.  As is typical for this time of year, the moisture is slowly creeping our way from Mexico.  As the moisture increases, so do our thunderstorm chances.  (there are other factors involved, but you get the idea)

While rain in the forecast is good the bad news is that during the early part of Monsoon, storms are often more virga and wind then they are downpour.  That’s because moisture levels are marginal for thunderstorm development and the surface dewpoints can still be on the low side.  As the rain falls into the drier air, it evaporates.  As the rain evaporates, the air cools.  The cooler, denser air falls faster causing gusty winds when it hits the ground.  In worse case scenarios you get a dry microburst with damaging winds over 60 mph.

Along with the gusty winds, the isolated storms also bring lightning.  That can spark a fire with little rain to put it out and gusty winds to help fuel it.  Just something to watch the next week or two as we wait for the Monsoon moisture to increase.

Once the Monsoon is full on we can expect drenching rains that our thirsty desert is longing for and maybe we can go hiking again!


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Mark National Weather Service Tucson: Monsoon flow returns. SE Arizona forecast temps


Mike Olbinski Forecast for Tucson looks awesome :)


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