🌡️

Heat Advisory

◍ Lower Treasure Valley · USA · updated 7/22/2026, 7:17:00 PM

⏱ In effect until 7:00 AM UTC-6

Severity score

65/100

Confidence

High

Why this matters

* WHAT...Temperatures up to 107 expected, hottest on Friday. * WHERE...Portions of south central and southwest Idaho 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, especially for the young, elderly, and animals.

Key stats

Severity

Moderate

Certainty

Likely

Urgency

Expected

Severity over time

Timeline

Heat Advisory
7/22/2026, 7:17:00 PM
Heat Advisory issued July 22 at 1:17PM MDT until July 25 at 9:00PM MDT by NWS Boise ID

Sources & attribution

OfficialNWS NWS Boise IDupdated 7/22/2026, 7:17:00 PM

OfficialNWS NWS Portland ORupdated 7/22/2026, 6:56:00 PM

OfficialNWS NWS Norman OKupdated 7/22/2026, 6:51:00 PM

OfficialNWS NWS San Diego CAupdated 7/22/2026, 6:42:00 PM

OfficialNWS NWS Los Angeles/Oxnard CAupdated 7/22/2026, 6:12:00 PM

OfficialNWS NWS Amarillo TXupdated 7/22/2026, 5:52:00 PM

OfficialNWS NWS Tucson AZupdated 7/22/2026, 5:48:00 PM

OfficialNWS NWS Lubbock TXupdated 7/22/2026, 5:27:00 PM

OfficialNWS NWS Hanford CAupdated 7/22/2026, 5:25:00 PM

OfficialNWS NWS Midland/Odessa TXupdated 7/22/2026, 5:18:00 PM

OfficialNWS NWS Fort Worth TXupdated 7/22/2026, 4:48:00 PM

OfficialNWS NWS Great Falls MTupdated 7/22/2026, 4:21:00 PM

OfficialNWS NWS Brownsville TXupdated 7/22/2026, 4:06:00 PM

OfficialNWS NWS Glasgow MTupdated 7/22/2026, 4:03:00 PM

OfficialNWS NWS Austin/San Antonio TXupdated 7/22/2026, 2:07:00 PM

OfficialNWS NWS San Diego CAupdated 7/22/2026, 7:10:00 AM

OfficialNWS NWS Wilmington NCupdated 7/22/2026, 6:33:00 AM

⚠This is an informational severity score, not an official warning. Follow guidance from NWS/NOAA, FEMA (ready.gov), and local emergency management.