Forecast for the Cascades and Siskiyous including the I 5 Summit for 3/22 - Cloudy with a chance for showers and possible thunderstorms east of the Cascades this afternoon and evening. Thunderstorms will produce downpours, gusty winds, and possibly small hail. Snow levels 3500 - 4000 feet this morning rising to near 5000 feet by this afternoon. However, snow levels could be lower in bursts of heavy precipitation. Snow would then be accumulating for a brief period of time with impacts for travel. Highs will be in the 30s and 40s.
STUDDED TIRES LEGAL IN OREGON.
Interstate 5 (I-5)