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Updated:June 12, 2026 10:15 pm PDT

Heat Advisory HEAT ADVISORY  
Nevada County
Effective: Fri, 6/12 8:07pm Severity:  Moderate 
Updated: June 12, 2026 10:15 pm Urgency: Expected
Expires: Sat, 6/13 5:15pm Certainty: Likely
Areas Affected: Central Glenn County Including Interstate 5 - Eastern Glenn County - Western Glenn and Colusa County Foothills Between 1000-3000 ft - Central Colusa County Including Interstate 5 - Eastern Colusa County - Sutter and Yuba Counties Below 1000 ft
 
Alert Details: 
* WHAT...Temperatures 100 to 105 with widespread Moderate HeatRisk
and areas of Major HeatRisk.

* WHERE...Central Colusa County Incl. I-5, Central Glenn Co &
Interstate 5, Eastern Colusa County, Eastern Glenn County,
Sutter/Yuba counties below 1000 ft, and W. Glenn/Colusa Foothills
1000-3000 ft.

* WHEN...Until 11 PM PDT Saturday.

* IMPACTS...Hot temperatures may cause heat illnesses.

* ADDITIONAL DETAILS...Hot daytime temperatures will occur in other
Valley locations as well, though Delta breeze influence will
better moderate local temperatures in the remainder of the Valley.

Information: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.