Here's the precipitation forecast for this week. Heavy rain in the Northeast could cause flash flooding over the next couple of days--see our excessive rainfall outlooks here: https://www.wpc.ncep.noaa.gov/#page=ero. Other hotspots for rain include the Southwest, south-central U.S., and Midwest. | NOAA NWS Weather Prediction Center

National Weather Service forecasters say nearly continuous onshore flow will keep California and portions of the Pacific Northwest in a very active, wet pattern this weekend. Rain and mountain snow is forecast for much of the western U.S. as a deep upper-level low and associated surface cold front pushes inland. Heavy rainfall is expected for the coastal areas and the nearby mountains, with some locations getting in excess of 4 inches of rainfall by Saturday morning (2/16). The extent of this on

[12:25 AM MST Phoenix Radar] A look at the Phoenix weather radar just after midnight shows there is still a band of very light rain moving south to north across Phoenix. The best concentration of stronger radar echoes, and thus light rain most likely reaching the ground, is in the Southeast Valley. | US National Weather Service Phoenix Arizona

Here is a radar view of the supercell thunderstorm that moved through Mesa on Tuesday (9/12/23). This loop shows the 0.9° tilt reflectivity and velocity from the Phoenix radar (KIWA), labeled by the white radar symbol. This tilt is sampling ~1000 ft above the surface. The velocity loop detected very strong inbound winds toward the radar. Green pixels are winds toward the radar and red are away from the radar. Arrows overlaid on the loop help show the divergent wind pattern, indicative of a micro

Clouds continue to stream over the region as our next weather system approaches. We'll see cloud cover persist Tuesday with embedded virga possible. | US National Weather Service Phoenix Arizona