Looking for a place to warm up this cold winter season? Warming centers are available to use for FREE throughout San Joaquin County. A warming center is a short-term emergency shelter that operates when temperatures or a combination of precipitation, wind chill, wind and temperature become dangerously inclement. Their purpose is the prevention of death and injury from exposure to the elements. Dial 2-1-1, or text your zip code to 898211 to find a warming center near you.