####018004248####
WWUS76 KSTO 140553

NPWSTO



URGENT - WEATHER MESSAGE

National Weather Service Sacramento CA

1053 PM PDT Sat Jun 13 2026



CAZ122-124-129-141-142-146-142200-

/O.EXP.KSTO.HT.Y.0002.000000T0000Z-260614T0600Z/

/O.CON.KSTO.XH.W.0001.260614T1800Z-260617T0600Z/

W. Shasta County 1000-3000 ft-Shasta Metro-Sierra (Tehama-Plumas)

1000-3000 ft-W Tehama Co Foothills 1000-3000 ft-N. Sac Valley in

Tehama County-Butte County Below 1000 ft-

Including the cities of Red Bluff, Whiskeytown, Paradise,

Redding, Anderson, Chico, Oroville, and Gridley

1053 PM PDT Sat Jun 13 2026



...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM SUNDAY TO 11 PM 

PDT TUESDAY...

...HEAT ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING...



* WHAT...Dangerously hot conditions with high temperatures up to 110 

  and overnight low temperatures in the 70s expected with widespread 

  Major HeatRisk.



* WHERE...Butte County Below 1000 ft, N. Sac Valley in Tehama 

  County, Shasta Metro, Sierra (Tehama-Plumas) 1000-3000 ft, W 

  Tehama Co Foothills 1000-3000 ft, and W. Shasta County 1000-3000 

  ft.



* WHEN...From 11 AM Sunday to 11 PM PDT Tuesday.



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

  for those more sensitive to heat.



* ADDITIONAL DETAILS...Hot daytime temperatures will occur in other 

  Valley locations, though Delta breeze influence will better 

  moderate local temperatures in the remainder of the Valley.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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.



&&



$$



CAZ144-145-147>150-140700-

/O.EXP.KSTO.HT.Y.0002.000000T0000Z-260614T0600Z/

Central Glenn Co & Interstate 5-Eastern Glenn County-W.

Glenn/Colusa Foothills 1000-3000 ft-Central Colusa County Incl. I-

5-Eastern Colusa County-Sutter/Yuba counties below 1000 ft-

Including the cities of Yuba City, Beale AFB, Willows, Orland,

Williams, and Colusa

1053 PM PDT Sat Jun 13 2026



...HEAT ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING...



Slightly cooler daytime high temperatures and increasing overnight 

relief is expected for the previous Advisory area, therefore the 

Heat Advisory for these locations will be allowed to expire. Near 

triple digit high temperatures and Moderate HeatRisk are still 

expected into early next week.



$$



CAZ121-123-125-140-142200-

/O.CON.KSTO.XH.W.0001.260614T1800Z-260617T0600Z/

W. Shasta County Above 3000 ft-Shasta Lake Area & 1-5 1000-

3000 ft-Shasta County Foothills 1000-3000 ft-Tehama Co Coast

Range Above 3000 ft-

Including the cities of Shasta Lake, Sims

1053 PM PDT Sat Jun 13 2026



...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM SUNDAY TO 11 PM 

PDT TUESDAY...



* WHAT...Dangerously hot conditions with high temperatures up to 110 

  and overnight low temperatures in the 70s expected with widespread 

  Major HeatRisk.



* WHERE...Shasta County Foothills 1000-3000 ft, Shasta Lake Area & 

  1-5 1000-3000 ft, Tehama Co Coast Range Above 3000 ft, and W. 

  Shasta County Above 3000 ft.



* WHEN...From 11 AM Sunday to 11 PM PDT Tuesday.



* IMPACTS...Heat related illnesses increase significantly during 

  extreme heat events.



* ADDITIONAL DETAILS...Hot daytime temperatures will occur in other 

  Valley locations, though Delta breeze influence will better 

  moderate local temperatures in the remainder of the Valley.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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.



&&



$$



For more information, visit us at www.weather.gov/sto/



NR