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 30.59 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 50F, Low 36F
90%
50
36
TueDec 16
Tue Dec 16: Rain, High 47F, Low 37F
80%
47
37
WedDec 17
Wed Dec 17: Snow, High 45F, Low 32F
60%
45
32
ThuDec 18
Thu Dec 18: Snow, High 37F, Low 29F
90%
37
29
FriDec 19
Fri Dec 19: Rain And Snow, High 38F, Low 26F
40%
38
26
SatDec 20
Sat Dec 20: Snow, High 35F, Low 25F
40%
35
25

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7-Day Temperature Trend

Week Ahead Summary

Cooling trend continues with high temperatures dropping from 50°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. Calm 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 50. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Rain

Night: A 30 percent chance of rain, mainly after 4am. Snow level 3700 feet. Mostly cloudy, with a low around 36. Southwest wind 9 to 15 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Dec 16

Rain

Day: Rain, mainly after 10am. Snow level 4200 feet. High near 47. Southwest wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Rain

Night: Rain. Snow level 4800 feet lowering to 4000 feet after midnight . Low around 37. Breezy, with a southwest wind 15 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Dec 17

Snow

Day: Rain likely, possibly mixed with snow before 10am, then a chance of rain. Snow level 2100 feet. Partly sunny, with a high near 45. Windy. Chance of precipitation is 60%. Little or no snow accumulation expected.

Rain And Snow

Night: A chance of rain and snow, mainly after 10pm. Snow level 1800 feet. Mostly cloudy, with a low around 32. Chance of precipitation is 30%. 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%.

Snow

Night: Rain likely before 7pm, then rain likely, possibly mixed with snow. Snow level 2400 feet. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.

Friday Dec 19

Rain And Snow

Day: A slight chance of rain and snow before 7am, then a chance of snow between 7am and 1pm, then a chance of rain and snow after 1pm. Snow level 1600 feet. Partly sunny, with a high near 38. Chance of precipitation is 40%.

Rain And Snow

Night: A chance of rain and snow. Partly cloudy, with a low around 26. Chance of precipitation is 30%.

Saturday Dec 20

Snow

Day: A 40 percent chance of snow. Partly sunny, with a high near 35.

Snow

Night: A 50 percent chance of snow. Mostly cloudy, with a low around 25.

Sunday Dec 21

Snow

Day: A 40 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.