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Chance of thunderstorms coming

Hazardous outlook issued by Weather Service

A hazardous weather outlook was posted for all of Eastern Washington and North Idaho today for the risk of thunderstorms, hail or brief heavy rain starting this afternoon through this evening.

About 3:30 p.m. today, a line of strong thunderstorms had developed northeast of Coulee Dam and south of Republic, and forecasters warned of half-inch hail and gusty winds associated with it.

This evening, a strong Canadian cold front descending southward is expected to run into humid, unsettled air from a mild low pressure system that’s been rotating off the California coast all week long. Any atmospheric fireworks are most likely during the evening, forecasters said.

Until then, forecasters are expecting a warm day with partly sunny skies. Highs could reach 88 in Spokane and 89 in Coeur d’Alene today as the region’s two-week round of warm weather hangs on for its last gasp. The chance of precipitation in the Spokane and Coeur d’Alene area is about 40 percent this evening, the National Weather Service said. The low should remain mild in the middle 50s tonight.

The weekend promises to be relatively cool compared with the temperatures in the upper 70s and 80s over the past several days. Highs Saturday and Sunday are expected to be in the upper 60s with chances of showers or thunderstorms both days and mostly cloudy conditions. Lows will drop into the 40s.

On Monday and Tuesday, temperatures should bounce back to the middle 70s, but clouds are expected to hang around.

On Thursday evening, street flooding was reported in DeSmet, Idaho, from a thunderstorm that stalled over Benewah County.

The National Weather Service also reported that gusty bands of wind were reported across the region overnight from unusual mixing of mild humid air that moved northward on Thursday.

Mild temperatures and humid conditions were reported this morning at Spokane International Airport. The dew point was 52 degrees, which is considerably more humid than the dew points earlier in the week that were in the upper 20s and low 30s.

At 7 a.m. today, it was 61 at the airport, 60 in Coeur d’Alene, 59 in Sandpoint, 52 in Cheney and 60 in Pullman.

Average high in Spokane today is 71 and average low is 47. The high Thursday at the airport was 88.

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