Thursday’s Tucson Forecast: Rare June rain arrives overnight

TODAY’S BEAMISH BLOGCAST

THE CLIFF NOTES

7DayForecast060415

Today – Increasing clouds, breezy. 97°, west-southwest wind 15-25 MPH.

Tonight – 40% chance of storms. 69°, southeast wind 5-10 MPH.

Tomorrow – 40% chance of storms through mid-day. 94°, southwest wind 15-25 MPH.

FORECAST DISCUSSION

Hi-Res Rapid Refresh Model - Valid 8 PM today
Hi-Res Rapid Refresh Model – Valid 8 PM today

A rapidly weakening Tropical Storm Andres increases rain chances the next 36 hours.

Expect mostly cloudy skies this afternoon. An approaching low pressure trough cranks up winds to the 15-25 MPH range during the daytime hours. High temps today reach the mid to upper 90s in Metro Tucson.

The trough drops down the California coast tonight, opening the door for moisture from Andres to funnel into the state. A 40% chance of showers and thunderstorms is possible overnight through the first half of Friday. Most computer models show the favored areas for rain west of a Safford-Sierra Vista line.

Rainfall totals should be in the 0.10-0.30″ range, with isolated higher amounts. Rain totals will be generally less than 0.10″ near the New Mexico border.

Moisture from Hurricane Blanca heads north this weekend and early next week. Saturday through Monday features a 10% chance of storms, with rain chances increasing to 20% Tuesday and Wednesday. Confidence is low in these storm chances as models continue to show considerable differences regarding Blanca’s impact.

SKY CANDY OF THE DAY

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Clouds from Tropical Storm Andres made for a rather radiant sunrise this morning. Thanks to John Hays for this shot from Rio Rico.

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