Bannock Lakes Weather Forecast, WA

Today 15 Dec Western Chelan County

Rain and a chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs in the upper 40s to mid 50s. Windy. West wind 15 to 25 Mph with Gusts up to 40 Mph. Chance of precipitation near 100 percent. Rainfall Amounts up to a half inch Possible, except higher Amounts possible in Thunderstorms.

Tonight 15 Dec Western Chelan County

Rain, mountain snow and a chance of Thunderstorms in the Evening, then rain and mountain snow overnight. Blowing mountain snow in the evening. Patchy blowing mountain snow overnight. Some Thunderstorms may produce heavy rainfall in the evening. Mountain snow may be heavy at Times in the evening. Mountain snow accumulation up to 1 inch Valleys and 4 to 9 Inches in the Mountains. Snow level 4500 Feet, lowering to 3500 feet overnight. Lows in the lower 30s to lower 40s. Windy. West wind 15 to 25 Mph decreasing to 5 to 15 Mph overnight. In the Mountains, west wind 20 to 35 Mph. Gusts up to 45 Mph, except 65 Mph in the Mountains. Chance of precipitation near 100 percent.

Tue 16 Dec Western Chelan County

Rain and mountain snow. Mountain snow may be heavy at Times. Mountain snow accumulation up to 2 Inches Valleys and 7 to 15 Inches in the Mountains. Snow level 4000 Feet, rising to 5000 feet in the afternoon. Highs in the 40s. Gusts up to 20 Mph in the afternoon. Chance of precipitation near 100 percent.

Tue 16 Dec Western Chelan County

Mountain snow. Rain. Blowing mountain snow. Precipitation may be heavy at Times. Mountain snow accumulation up to 1 inch Valleys and 9 to 19 Inches in the Mountains. Snow level 5500 feet. Lows in the 30s. Windy. Southwest wind 10 to 20 Mph, except southwest 20 to 35 Mph in the Mountains. Gusts up to 30 Mph increasing to 45 Mph overnight. In the Mountains, Gusts up to 55 Mph increasing to 75 Mph overnight. Chance of precipitation near 100 percent.

Wed 17 Dec Western Chelan County

Snow. Blowing snow. Snow may be heavy at Times. Moderate snow Accumulations possible. Highs in the mid 30s to mid 40s. Windy. West wind 15 to 25 Mph with Gusts up to 50 Mph, except west 25 to 40 Mph with Gusts up to 80 Mph in the Mountains. Chance of precipitation near 100 percent.

Wed 17 Dec Western Chelan County

Snow. Light snow Accumulations. Lows in the upper 20s to mid 30s. Chance of precipitation 90 percent.

Thu 18 Dec Western Chelan County

Snow. Snow may be heavy at Times. Moderate snow Accumulations possible. Highs in the mid 30s to lower 40s. Chance of precipitation near 100 percent.

Thu 18 Dec Western Chelan County

Snow. Areas of blowing snow. Snow may be heavy at Times. Moderate snow Accumulations possible. Lows in the upper 20s to lower 30s. Chance of precipitation near 100 percent.

Fri 19 Dec Western Chelan County

Snow. Light snow Accumulations. Highs in the 30s. Lows in the mid 20s to lower 30s. Chance of precipitation 90 percent.

Fri 19 Dec Western Chelan County

Snow. Light snow Accumulations. Highs in the 30s. Lows in the mid 20s to lower 30s. Chance of precipitation 90 percent.

Sat 20 Dec Western Chelan County

Snow. Light snow Accumulations. Highs in the 30s. Lows in the mid 20s to lower 30s. Chance of precipitation 90 percent.

Sat 20 Dec Western Chelan County

Snow likely. Light snow Accumulations. Lows in the mid to upper 20s. Highs in the 30s. Chance of precipitation 70 percent.

Sun 21 Dec Western Chelan County

Snow likely. Light snow Accumulations. Lows in the mid to upper 20s. Highs in the 30s. Chance of precipitation 70 percent.

Sun 21 Dec Western Chelan County

Snow likely. Light snow Accumulations. Lows in the mid to upper 20s. Highs in the 30s. Chance of precipitation 70 percent.

Bannock Lakes Weather Forecast

Today 15 Dec Western Chelan County

Tonight 15 Dec Western Chelan County

Tue 16 Dec Western Chelan County

Tue 16 Dec Western Chelan County

Wed 17 Dec Western Chelan County

Wed 17 Dec Western Chelan County

Thu 18 Dec Western Chelan County

Thu 18 Dec Western Chelan County

Fri 19 Dec Western Chelan County

Fri 19 Dec Western Chelan County

Sat 20 Dec Western Chelan County

Sat 20 Dec Western Chelan County

Sun 21 Dec Western Chelan County

Sun 21 Dec Western Chelan County

Temperature Forecast NOAA

Temperature Real-Time

Seattle Radar

National Satellite

National Synoptic

Bannock Lakes Temperature Statistics

December Temperature

Arlington Municipal Airport (54.7 miles)

Lowest 12 February, 2025

Average 2025

Highest 12 August, 2025

Lowest 30 November, 2025

Average November

Highest 1 November, 2025

Lowest 1 December, 2025

Average December

Highest 8 December, 2025

Climate (2020–Present)

Arlington Municipal Airport (54.7 miles)

Average Low 2020–2025

Average 2020–2025

Average High 2020–2025