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Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Boise Hydro Image

CURRENT RIVER GAGE DATA and Forecasts

SNOWPACK DATA

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

OBSERVED PRECIPITATION

 

RECREATIONAL RIVER INFORMATION

 

RESERVOIR STORAGE LEVELS

CLIMATE OUTLOOKS

BURN SCAR DECISION SUPPORT


NWS Northwest River Forecast Center and Other Water Agencies

River Gage Information | Hydro - Speak | NWS Hydrology Program