2025 Winter Predictions Washington State. Chance, either low or high, is not a direct prediction of rain, snow, or sleet. The united states national oceanic and atmospheric administration (noaa), one of the most trusted meteorology sources in the world, recently released their winter 2024/25.

Chance is a prediction of how ideal the conditions are for a storm to. Snowchance calculates the likelihood of a winter storm entering a region on a specific day.