Lake Tahoe and the Western U.S. Weather links:

This is the best over-all forecast tool which features 500mb isotherms over an infrared satellite image, also has ground windspeeds indicated.

Intellicast's radar image for the northern California and Nevada area.

These are automated real time remote weather stations. When they're working properly, it's the next best thing to being there. There is one at the top of Alpine (Ward Mountain) and a good one at Squaw's High Camp, elevation 8200'.

GOES 10 IR Image of the west

GOES 9 from way, way out, includes Hawaii and Alaska

This computer model is quite accurate and saves you a lot of thinking and guessing.

Current position of the jet stream / storm track over the western U.S.

Swami's guess at future winds aloft / jet stream.

Caltrans Road Conditions 

An easy to use point and click map.

CHP Dispatch

Good for late breaking road problems.