Station Name: BOISE RIVER AT CALDWELL, ID
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 2,343 feet

Nearest Address:
W Chicago Street
Caldwell, ID 83605-5407
Canyon County

GPS Coordinates: 43.67735278, -116.7011306

Nearby Water Temperatures

Air Quality Alert issued July 29 at 11:44AM MDT by NWS Boise ID

Effective: Wed July 29, 2026, 11:44 AM
Expires: Fri July 31, 2026, 1:00 PM

* WHAT...Air Quality Advisory because of degraded air quality. Air Quality Index is forecast to be Very Unhealthy. * WHERE...Ada, Adams, Boise, Canyon, Elmore, Gem, Owyhee, Payette, Valley, and Washington Counties. * WHEN...UNTIL 2 PM MDT FRIDAY. * IMPACTS...Members of sensitive groups may experience health effects. The general public is not likely to be affected.

Air pollutants can cause breathing difficulties for children, the elderly, as well as persons with respiratory problems. Those individuals who are sensitive to increased particulate matter or smoke are encouraged to avoid prolonged or strenuous outdoor activity during this advisory. Open burning is prohibited by air quality rule. It is also recommended that all other individuals limit prolonged or strenuous activity outdoors. THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ's Boise Regional Office at (208) 373-0550.

Air Quality Alert issued July 29 at 11:35AM MDT by NWS Boise ID

Effective: Wed July 29, 2026, 11:35 AM
Expires: Fri July 31, 2026, 1:00 PM

* WHAT...Air Quality Advisory because of degraded air quality. Air Quality Index is forecast to be Very Unhealthy. * WHERE...Ada, Adams, Boise, Canyon, Elmore, Gem, Owyhee, Payette, Valley, and Washington Counties. * WHEN...UNTIL 2 PM MDT FRIDAY. * IMPACTS...Air Quality is acceptable; however for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Air pollutants can cause breathing difficulties for children, the elderly, as well as persons with respiratory problems. Those individuals who are sensitive to increased particulate matter or smoke are encouraged to avoid prolonged or strenuous outdoor activity during this advisory. Open burning is prohibited by air quality rule. It is also recommended that all other individuals limit prolonged or strenuous activity outdoors. THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ's Boise Regional Office at (208) 373-0550.

Red Flag Warning issued July 29 at 7:30AM MDT until July 29 at 9:00PM MDT by NWS Boise ID

Effective: Wed July 29, 2026, 7:30 AM
Expires: Wed July 29, 2026, 9:00 PM

...SCATTERED THUNDERSTORMS IN THE MAGIC VALLEY... Ongoing isolated storms this morning will redevelop in the afternoon with scattered coverage and abundant lightning possible. Storms will also be capable of producing outflow gusts up to 50 mph. The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from 2 PM this afternoon to 9 PM MDT this evening. * AFFECTED AREA...In Idaho, Fire Weather Zone 426 Southern Highlands. * TIMING...From 2 PM this afternoon to 9 PM MDT this evening. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds up to 50 mph. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will occur shortly.