Spokane (OTX) — the National Weather Service forecast in plain English · Plaincast

Messages

Cooler temperatures Friday into next week. Widespread frost and freezing temperatures Saturday morning. Chilly temperatures expected again Sunday morning then modifying slightly next week.

Synopsis

Chilly overnight lows this weekend with widespread frost and freezing temperatures. Not as chilly next week with temperatures near average for late October.

Discussion

Today through Tuesday: A mild, dry Saturday is expected as a weak ridge pattern is over the region behind yesterdays cold front. Highs will reach into the 50s. It will be short lived as another Low will slide down the coastline from BC to Oregon through Sunday. Ensembles have come into better agreement on the timing and track. The Low will slowly track over Oregon through Monday. It has potential to bring light showers across the Inland Northwest. The amounts are not looking to be much as precipitable water amounts struggle to get above half an inch. The daily 25-75 percent probabilities are: 0-0.1 on Sunday, 0.1-0.3 on Monday, and 0.05-0.2 (highest amounts over Southeast WA and Lower ID Panhandle) on Tuesday. Snow levels will be around 4500 ft. An inch of snow is possible for the higher elevations. Highs will be in the upper 40s to low 60s. Overnight lows will be in the upper 20s and 30s.

Wednesday through Friday: Ensembles are indicating another system pushing into the region from the Gulf of Alaska. Again, there is a lot of uncertainty on the track of the Low. Around 35 percent of members have the Low over the Pacific Northwest. The other 65 percent have a more generally broad trough pattern over the region. Either way, there is not a lot of moisture associated with the system. It will push some colder air into the region. Highs will be in the upper 30s to low 50s. Overnight lows will be in the 20s to low 30s. /JDC