The Current Radar map shows areas of current precipitation (rain, mixed, or snow). The map can be animated to show the previous one hour of radar.

Since thunderstorms are uncommon along the West Coast and Northwest U.S., there are no TDWRs in California, Oregon, Washington, Montana or Idaho. A Terminal Doppler Weather Radar (TDWR).

The forecast comes days after an expansive storm similarly trekked across the U.S. last week, unloading snow in the northern ...