(CNN)More than 130 heat records could be broken this week in the West as an oppressive heat wave moves in.

Records could be broken from Southern California all the way up to portions of Washington and Montana. See if records will be broken in your area.Heat alerts for 15 million peopleIn California’s Central Valley, high temperatures will run 15 to 20 degrees above normal. Read MoreTriple-digit heat will be widespread across the lower elevations, with afternoon highs forecast to range from 101 to 107 degrees.

High temperatures Tuesday afternoon may tie or break daily records for maximum temperatures ever measured in Fresno, Hanford, Merced, and Madera on June 1st. An Excessive Heat Warning is valid until 8 PM PDT Tuesday evening. Reduce time outdoors and drink plenty of water. #CAwx pic.twitter.com/N9mXbVg7C2

— NWS Hanford (@NWSHanford) May 31, 2021 In Northern California, “highs will range from 20 to 25 degrees above climatology for this time of year,” said the National Weather Service office in Sacramento. High temperatures are expected to top out around 106 in the Sacramento metro area and possibly reach 108 to 109 in the northern Sacramento Valley. Record-breaking heat builds in the west this week.Record-breaking heat builds in the west this week.Record-breaking heat builds in the west this week.Temperatures will be in the mid- to upper-90s across portions of Montana this week. “There is high confidence that Wednesday’s high temperatures could reach well into the mid to upper 90s for western Montana valleys, with 90s to near-or-above 100 degrees for central Idaho valleys,” said the weather service in Missoula.

The heat is coming to Montana later this week. Plan ahead to stay cool during the afternoon and evening hours. #mtwx pic.twitter.com/sCZ8Bp2FNR

— NWS Great Falls (@NWSGreatFalls) May 30, 2021 Areas around Las Vegas and Death Valley could see its first 100-degree day of the year this week. “Hottest days will be Wednesday and Thursday with highs reaching within a couple degrees of daily records for some areas,” said the weather service office in Las Vegas.

🔥Excessive Heat Watch has been issued for WED & THURS which includes:🌡️Las Vegas🌡️Pahrump🌡️Lake Mead Nat'l Rec Area🌡️Laughlin/Bullhead City🌡️Lake Havasu City🌡️Death Valley NP#nvwx #cawx #azwx pic.twitter.com/S2yCTygI2o

— NWS Las Vegas (@NWSVegas) May 30, 2021 The heat brings a bigger fire dangerThe weather service office in Medford, Oregon, is warning residents to be extra cautious with burning outdoors. Fires have already ignited around the region and could spread quickly with the hot and dry conditions.

Pictures from today on the #SycanRiverFire.#FireYear2021 pic.twitter.com/xe6vKPkmhw

— SCOFMP Fire Info (@scofmpfireinfo) May 31, 2021 “Please be extra cautious with anything that could start a fire in the coming days by being sure it is no longer burning when you discard it. Be sure to extinguish all campfires in areas where they are permitted before leaving the area,” the weather service said. The hot and dry conditions will last for much of the week, before starting to cool again by next weekend.

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