Multiple US cities recorded all-time high temperatures on the 12th, the NWS said. Preliminary NWS data showed Salt Lake City and Billings each reached 42.78°C on the 12th, exceeding prior records of 41.67°C and 42.22°C respectively. The heat is expected to persist through the 14th, increasing difficulty of wildfire suppression in Utah and Colorado. The NWS forecasts that by the 15th more than 90 locations nationwide will set or tie high-temperature records, including many overnight records; part

Multiple US cities recorded all-time high temperatures on the 12th, the NWS said. Preliminary NWS data showed Salt Lake City and Billings each reached 42.78°C on the 12th, exceeding prior records of 41.67°C and 42.22°C respectively. The heat is expected to persist through the 14th, increasing difficulty of wildfire suppression in Utah and Colorado. The NWS forecasts that by the 15th more than 90 locations nationwide will set or tie high-temperature records, including many overnight records; parts of Florida, Texas and South Carolina are expected to see nighttime lows at or above 27°C.