Mary Ann Lake Weather Forecast
- 19
- 34
Snow
- 20
- 30
Partly Sunny
- 23
- 30
Chance Snow
- 22
- 31
Snow Likely
- 22
- 31
Chance Snow
- 20
- 32
Mostly Cloudy
Today 18 Dec Okanogan Highlands
Snow. Snow may be heavy at Times in the afternoon. Snow accumulation of 2 to 5 Inches Valleys and 4 to 7 Inches in the Mountains. Highs in the lower 30s to lower 40s. South wind 5 to 15 Mph in the afternoon. Gusts up to 25 Mph. Chance of precipitation near 100 percent.
Tonight 18 Dec Okanogan Highlands
Cloudy with rain or snow in the Evening, then partly cloudy with a chance of snow overnight. Little or no snow accumulation Valleys and up to 1 inch in the Mountains. Snow level 3000 feet. Lows in the 20s. Southwest wind 5 to 15 Mph with Gusts up to 35 Mph, except southwest 15 to 25 Mph with Gusts up to 40 Mph in the Mountains. Chance of precipitation 90 percent.
Mary Ann Lake Temperature Statistics
December Temperature
Omak Airport (37.9 miles)
Lowest 1 December, 2025
28.9 °FAverage December
38.7 °FHighest 9 December, 2025
51.1 °F
Climate (2020–Present)
Omak Airport (37.9 miles)
Average Low 2020–2025
40.8 °FAverage 2020–2025
51.9 °FAverage High 2020–2025
62.9 °F