Extremely hot weather heat advisory stock image file photo

Monday's daytime temps are forecast to be the hottest of the summer thus far in East Idaho.

The mercury could reach 100 degrees on Monday in East Idaho and the National Weather Service has issued a heat advisory for the region urging the public to "drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors."

The heat advisory will be in effect from noon to 8 p.m Monday in East Idaho.

The weather service said the hottest temps are expected in the Shoshone, Richfield, Carey, Mud Lake, Idaho National Laboratory, Craters of the Moon, Idaho Falls, Rexburg, St. Anthony, Pocatello, Blackfoot, American Falls, Shelley, Fort Hall, Burley, Rupert, Heyburn, Oakley, Albion, Almo, Malta, Rockland, Holbrook, Inkom, McCammon, Downey, Lava Hot Springs, Malad, Preston, Thatcher, Hailey, Bellevue, and Picabo areas.

The weather service warned about Monday's hot temperatures: "Heat-related illnesses such as heat exhaustion and heat stroke will be possible for people working or recreating outdoors, those who do not have air conditioning, and other heat-sensitive groups."

The weather service continued, "Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water."

Heat advisories are also in effect for Monday and Tuesday in northern Utah calling for daytime high temps of up to 105 degrees and in much of Nevada for Monday calling for daytime high temps of up to 106 degrees.