National Weather Service United States Department of Commerce

Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to develop off the southeast U.S. coast tonight and is expected to strengthen and bring flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Balloons are released by NWS Flagstaff meteorologists twice a day (around 4am and 4pm) to measure the pressure, temperature, dewpoint, and winds through the atmosphere. For more information about the NWS upper-air program and to learn how to read the plot below, click here.

Click here to view upper-air soundings from other areas around the continental United States.


Sounding plot not yet available. Check back in a few minutes.