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 August 4 at 12:16PM MDT by NWS Boise ID

Effective: Tue August 4, 2026, 12:16 PM
Expires: Thu August 6, 2026, 1:00 PM

* WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Unhealthy. * WHERE...Ada, Adams, Boise, Canyon, Elmore, Gem, Owyhee, Payette, Valley, and Washington Counties. * WHEN...UNTIL 2 PM MDT FRIDAY. * IMPACTS...Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.

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

Heat Advisory issued August 5 at 12:00PM MDT until August 8 at 9:00PM MDT by NWS Boise ID

Effective: Wed August 5, 2026, 12:00 PM
Expires: Thu August 6, 2026, 4:00 AM

* WHAT...Afternoon temperatures in the triple digits for lower elevations and the high desert, mid to upper 90s for higher terrain. Some mild relief overnight with minimum temperatures in the mid to upper 60s in lower elevations and 50s in the higher terrain. * WHERE...Portions of south central and southwest Idaho and northeast and southeast Oregon. * WHEN...From 2 PM MDT /1 PM PDT/ Thursday to 9 PM MDT /8 PM PDT/ Saturday. * IMPACTS...Hot temperatures may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.