Slightly cooler weather, isolated thunderstorms in the forecast for Seattle

Seattle weather: Near-normal temps next week

FOX 13 Seattle Meteorologist Abby Acone has your latest western Washington weather forecast!

Sea-Tac Airport set a new record for the longest stretch of consecutive days with temperatures 80 degrees or warmer. Today will mark the 18th day with temps reaching at least 80 degrees.

Seattle has experienced exceptionally warm weather this July.

Sea-Tac Airport broke a new record for the longest stretch of days with temperatures reaching at least 80 degrees. (FOX 13 Seattle)

We're also forecasting isolated showers and thunderstorms in Western Washington Sunday. The possibility of lightning and gusty, erratic winds with storms is elevating the threat for fires-- particularly over the Cascades and Olympics where Red Flag Warnings remain in effect.

Warm weather with highs in the 80s are forecast for Seattle Sunday.

Highs reach the upper 70s to the low 80s around Puget Sound and Seattle Sunday. (FOX 13 Seattle )

Elevated fire danger with stormy weather is expected over the Cascades east of Seattle.

Lightning and gusty winds could fuel fires over the Cascades and Olympics Sunday. (FOX 13 Seattle)

The chance for thunderstorms lingers this afternoon and tonight over the Cascades, but drier and sunnier weather is forecast elsewhere in Western Washington tonight.

Isolated showers and stormy weather are possible Sunday surrounding the greater Seattle area.

Stray showers and thunderstorms are possible in Western Washington Sunday. (FOX 13 Seattle)

Drier weather is likely for Seattle Sunday evening.

Thunderstorms may linger over the Cascades Sunday evening, but drier weather is in store for Seattle tonight. (FOX 13 Seattle)

Eastern Washington is facing yet another couple of days of dangerous heat. Check out the heat alerts in effect below.

While warm weather continues in Seattle Sunday, hotter temperatures are forecast east of the Cascades.

There's a major threat for heat-related illnesses Sunday and Monday for many places in Eastern Washington. (FOX 13 Seattle)

Morning clouds will give way to afternoon sunshine on Monday. Temperatures for the rest of the week dip to a far more comfortable range by Western Washington's standards. For those without air conditioning, the weather will be much more conducive for sleeping soundly.