Low pressure lingering over the Northeast will continue to produce damp and cool conditions across the region through the end of the work week.
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The low will slowly drift offshore Friday, and high pressure will build into the region on Saturday.
High temperatures will remain about 10-20 degrees below average through Friday, only reaching the 50s and lower 60s.
The region will dry out and temperatures will return to near seasonable values over the weekend.
In the Northwest, unsettled weather is expected to increase across the region on Thursday as an upper level shortwave trough and surface frontal system approach from the northwest.
Widespread showers and thunderstorms and high elevation mixed precipitation and snow are forecast through the end of the week.
Rainfall and snowmelt across the Great Basin and Pacific Northwest may cause isolated flooding issues in nearby streams and rivers.
Below normal temperatures are forecast to spread across much of the West through the end of the week with highs generally in the 50s and 60s.
Further inland, the northern Intermountain West and High Plains will experience above normal temperatures through Friday.
Thursday's highs will be in the 70s and lower 80s, and Friday's highs will be in the upper 60s and lower 70s.
Significant snowmelt is anticipated in these regions this week, which could lead to localized flooding concerns.
Above average warmth is expected to spread south into the rest of the Central U.S. Friday into the weekend.
In the southern Plains, a stationary front will remain draped across the area through Thursday, then lift northeast as a warm front Thursday night through Friday.
Warm, moist conditions are in place across the area, which will be favorable for thunderstorm development each day.
Scattered severe storms will be possible on Thursday afternoon and evening in parts of Texas, Oklahoma, and Southern Kansas where the Storm Prediction Center has issued a Slight Risk of severe thunderstorms.
Severe storms will be capable of producing large hail, damaging winds, and a couple of tornadoes. ■