Alta Lake State Park, WA Weather Forecast and Current Conditions

WEATHER ALERTS - Special Weather Statement - Flood Watch

Current Conditions From Nearby Station

39°F
Feels Like 39°F  
Humidity 99% Dew Point 39°F Wind Calm Barometer 30.56 in.
Report from a personal weather station 6.7 mi. S of central Alta Lake State Park
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Point Forecast at a Glance

SunDec 14
Sun Dec 14: Rain, Low 40F
80%
 
40
MonDec 15
Mon Dec 15: Rain, High 52F, Low 37F
90%
52
37
TueDec 16
Tue Dec 16: Rain, High 46F, Low 36F
80%
46
36
WedDec 17
Wed Dec 17: Rain And Snow, High 44F, Low 32F
50%
44
32
ThuDec 18
Thu Dec 18: Snow, High 37F, Low 30F
90%
37
30
FriDec 19
Fri Dec 19: Rain And Snow, High 39F, Low 26F
40%
39
26
SatDec 20
Sat Dec 20: Snow, High 35F, Low 26F
50%
35
26

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7-Day Temperature Trend

Week Ahead Summary

Cooling trend continues with high temperatures dropping from 52°F to 35°F. Unsettled weather expected with rain or snow likely on at least 7 days.

Climate Context

This week's forecast shows temperatures running 8°F above the historical average for December. Normal highs for this period are around 33°F with lows around 21°F.

This Date in Weather History

1901 - An intense cold front swept across the eastern U.S. The cold front produced heavy rain in Louisiana, and heavy snow in the northeastern U.S.

More on this and other weather history

Alta Lake State Park, WA 7 Day Weather Forecast Details

Sunday Dec 14

Rain

Night: Rain, mainly after 4am. Low around 40. Light southeast wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Monday Dec 15

Rain

Day: Rain, mainly before 1pm. High near 52. South wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Rain

Night: A chance of rain before 10pm, then a chance of rain after 1am. Snow level 4000 feet lowering to 2900 feet after midnight . Partly cloudy, with a low around 37. Breezy, with a west wind 9 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Dec 16

Rain

Day: Rain, mainly after 10am. Snow level 3500 feet rising to 4800 feet in the afternoon. High near 46. Southwest wind 8 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Rain

Night: Rain. Snow level 5500 feet lowering to 4000 feet after midnight . Low around 36. Southwest wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Dec 17

Rain And Snow

Day: A chance of rain and snow before 1pm, then a chance of rain between 1pm and 4pm. Snow level 2100 feet. Partly sunny, with a high near 44. Breezy. Chance of precipitation is 50%. Little or no snow accumulation expected.

Snow

Night: Rain likely, possibly mixed with snow, mainly after 4am. Snow level 1800 feet. Mostly cloudy, with a low around 32. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Thursday Dec 18

Snow

Day: Rain, possibly mixed with snow, becoming all rain after 1pm. Snow level 1800 feet rising to 2400 feet in the afternoon. High near 37. Chance of precipitation is 90%.

Rain And Snow

Night: Rain likely before 10pm, then a chance of rain and snow. Snow level 2700 feet. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.

Friday Dec 19

Rain And Snow

Day: A chance of rain and snow. Snow level 1900 feet. Partly sunny, with a high near 39. Chance of precipitation is 40%.

Snow

Night: A 40 percent chance of snow. Mostly cloudy, with a low around 26.

Saturday Dec 20

Snow

Day: A 50 percent chance of snow. Partly sunny, with a high near 35.

Snow

Night: A 40 percent chance of snow. Mostly cloudy, with a low around 26.

Sunday Dec 21

Snow

Day: A 30 percent chance of snow. Partly sunny, with a high near 34.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.