Portland Precipitation (in inches):
Last 24 Hours: .00"
JANUARY RAIN to Date: 1.60" Departure from Normal: - .92"
SNOW to since Dec. 1st: 11.4" (Storm Total from Jan. 10/11 = 8" - Ties for 5th spot on all-time greatest 24 hr. snowfall with Dec. 19th 1964)
Since October 1st (water year): 21.35" Departure from Normal: +4.71"
Since January 1st (calendar year): 1.60" Departure from Normal: - .92"
The final thaw of our city-wide snowpack begins early tomorrow-but it will not be an easy transition.
Today's weather will be quiet with mostly cloudy skies by the end of the day. Daytime highs will be in the low to mid 30s. Overnight lows will drop to around 31 degrees. Unfortunately, several winter watches and flood watches have been generated due to the series of rainy systems moving in.
Computer weather models show the rain moving in early tomorrow morning around 8AM. Those of us still sitting in the coldest areas will likely see freezing rain at first before the rain takes over. Freezing rain in the morning could glaze the most metro area for a few hours before changing to rain. However, anyone living near the Gorge in the east wind zone and in the Gorge will be stuck in the cold air for hours are will likely see prolonged freezing rain- possibly an inch or more of ice accumulation. There is a Winter Storm Watch posted for the entire Western Oregon and Southwest Washington area for this possibility. Because of the weird temperature inversion (very cold near sea level, but above freezing in the mountains) freezing rain will mostly be a problem in the first 1500 feet of elevation. Up higher, rain will fall between about 2000 and 7000 feet end of the day- which just about covers every populated area in the Cascades. Be aware of the temperature at your house as the rain begins and plan accordingly.
Rain will be steady much of the day tomorrow and turn heavy at times into Wednesday. One to three inches of total rain is projected for the valleys by the end of the day on Wednesday; while up to eight inches of rain could fall in the Coast Range. This rain along with rapid snowmelt will cause flooding issues in some areas around the state. Urban and small stream flooding is likely around the metro area. Rivers will flash along the coast. Be prepared for messy, slush commutes with ponding on area roadways. Daytime highs will be near 50 by the end of the day tomorrow. Overnight lows will stay well above freezing in the 40s.
Stay tuned to KATU News, follow us on social media and right here at KATU.COM for updated forecast information.
Today's Record Temperatures