Heavy Rainfall for the Great Lakes and Mid-Atlantic Today; Hot Temperatures in Southern California

A slow moving cold front will gradually progress through the eastern third of the U.S. today through Thursday with possible severe weather and heavy rainfall which may bring flash flooding. Moderate Risks for excessive rainfall have been issued for the central Great Lakes into the central Appalachians, and Pennsylvania today and Thursday. A Heat Advisory is in effect for southern California. Read More >

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Boise Hydro Image

CURRENT RIVER GAGE DATA and Forecasts

SNOWPACK DATA

Interactive Graphics Showing Current Snow Depth, Snow Water Equivalent (NWS)
Snow Water Equivalent % of Normal (NRCS)
Idaho | Oregon | Western U.S.
Interactive SNOTEL Maps (Snow Water Equivalent, Snow Depth, Snow Density)
Columbia Basin (NWRFC) United States (NRCS)

FLOOD WATCHES, WARNINGS, STATEMENTS

Flood Watches and Warnings -Issued only when rivers and streams are observed or forecast above flood stage.
River Statements -Issued to describe river conditions during high water events which are not expected to exceed flood stage.
Hydrologic Outlook - Issued when there is potential for notable hydrologic events. Most often used to describe the possibility of flooding, with occurrence typically 24 hours or more into the future, but as little as 12 hours in some cases when near-term certainty is low.

WATER SUPPLY