Skip to main content
Day.News — Local News. Real Community.
PORTERVILLE DAY NEWS
Local News. Real Community.
weather
1 min read

Heat Advisory Issued for San Joaquin Valley, Sierra Foothills: Stay Hydrated

A Heat Advisory is in effect for the San Joaquin Valley and Sierra Foothills from Saturday 11 AM to Sunday 10 PM PDT, with temperatures up to 103 degrees, prompting a call for residents to stay hydrated and cool.

Staff Writer
10/01/2026 · Porterville edition

A Heat Advisory has been issued for the San Joaquin Valley and Sierra Foothills, effective from Saturday, October 2nd, at 11 AM PDT until Sunday, October 3rd, at 10 PM PDT. Residents are advised to drink plenty of fluids, stay in air-conditioned rooms, remain out of the sun, and check on relatives and neighbors during this period.

The National Weather Service (NWS) in Hanford, CA, issued the advisory, warning of high temperatures up to 103 degrees Fahrenheit. These conditions pose a moderate to major risk of heat-related illnesses for much of the population, particularly those without effective cooling or hydration.

Areas affected include: West Side Mountains north of 198; Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; and South End of the Lower Sierra.

The NWS urges the community to take precautions to avoid heat-related impacts.

Related Topics

Editorial Transparency
Source not recorded

Article Ratings

Factual
0.0
Likeable
0.0
Bias
0.0
Objective
0.0

How do you feel about this story?

Discussion (0)

Join the Conversation

Join the conversation

Sign in to share your thoughts, reply to readers, and like comments.

Sign in to comment
Sort by:
0 comments

No comments yet. Be the first to comment!

Trending Now

Trending stories will appear here.

More from Porterville

No other local stories are available right now.

Events & Things to Do

Read section →

Upcoming events will appear here.

Keep Reading

Related Stories

More weather stories from Porterville

weather

Heat Advisory Issued for San Joaquin Valley, Sierra Foothills Until Wednesday Night

A Heat Advisory has been issued by the NWS Hanford CA for the San Joaquin Valley and Sierra Nevada foothills until 11:00 PM PDT on Wednesday, October 7, with temperatures up to 104 degrees expected.

Read Story →
weather

Heat Advisory Issued: Temperatures Up To 103°F Expected This Week

A Heat Advisory is in effect for the San Joaquin Valley and Sierra Nevada foothills from October 3 to October 6, with temperatures up to 103°F expected; residents should drink fluids, stay cool, and check on others.

Read Story →
weather

Heat Advisory Issued for San Joaquin Valley and Sierra Foothills

A Heat Advisory has been issued by NWS Hanford for the San Joaquin Valley and Sierra Foothills from Saturday, October 3, 2026, at 11 AM PDT until Tuesday, October 6, 2026, at 11 PM PDT, with temperatures up to 103 degrees expected.

Read Story →
weather

Heat Advisory Issued for San Joaquin Valley, Sierra Foothills Until Tuesday

A Heat Advisory has been issued for the San Joaquin Valley and Sierra Foothills, with temperatures up to 103 degrees expected from Saturday to Tuesday. Residents are urged to stay hydrated, seek air-conditioning, and check on neighbors to prevent heat-related illnesses.

Read Story →
weather

Heat Advisory Issued for San Joaquin Valley, Sierra Foothills Through Sunday

A Heat Advisory has been issued for the San Joaquin Valley and Sierra Foothills by NWS Hanford CA, with temperatures up to 103 degrees expected from Saturday through Sunday, posing a risk of heat illnesses.

Read Story →
weather

Heat Advisory Issued for San Joaquin Valley, Sierra Foothills This Weekend

A Heat Advisory is in effect for the San Joaquin Valley and Sierra Foothills this weekend, with temperatures up to 103 degrees expected; residents should drink fluids, stay cool, and check on others.

Read Story →
Scroll for more stories