. >> announcer: from nbc news, this is "today" with peter alexander and kristen welker. >>> welcome to "today." thank you for joining us on this saturday morning. peter, it is great to have you here. you have been in finland with the president all week long. i wish we had better temperatures to come back to. >> i got on a plane in helsinki. the temperature was 65 degrees. landed here in d.c. and 90 plus and it is like getting hit in the face with a frying pan. a week later, things are getting hotter for tens of millions of americans. >> it is reaching peak strength. the city of phoenix, arizona, reached 110 degrees every day this month, folks. today, the mercury could soar to 117. >> look at that. for you looking for relief, we -- which is all of you, not only is the sand in florida sizzling, but temperatures in the 90s in the gulf of mexico. >> we will get to angie in a minute, but marissa is in phoenix. how hot is it, marissa? >> reporter: guys, good morning. the sun is not up yet. it is already in the 90s. places like phoenix are used to heat, but people who live here are struggling

peter kristen: we got through last winter with covid, the flu, and rsv.oday the cdc's latest data suggest we may not be done with those viruses but there is a developing news with regards to an rsv vaccine. joining me now is dr. peter chin hong to help us get ready and stay healthy. nice to see you. >> same here. thanks for having me on. kristen: are you outside? >> i am outside. kristen: they let you out? i never see you out. i am so thrown by this. [laughter] it does look great outside. i'm happy to see you getting some vitamin d. i want to start with the national covid health emergency, its ended. what is going on? >> it is changing a little bit and we are not we are not sure what direction it's going in. we are seeing about a 10% increase in emergency room visits. a 10 pla a 10% increase in hospitalizations in some places. older now after they have escaped the last three years without infection. they are coming in. but hopefully with paxlovid they are not doing as poorly. the trend is a little bit worrisome because it is two consecutive weeks right no

kristen, peter, joe?dana, that's a nice ending to that somewhat controversial thing that was overshadowing his debut. >> a little random how britney spears intersected with victor wembanyama. the guy's 7'5", 19 years young born in 2004 and nowing in the nba. >> don't say that! >> don't say that. >> and 7'5"? >> 7'5"? >> can he fit through the door? i don't think so. weatherwise, really warm. heat alerts up for theirs morning. 19 million. could see the number grow as the day goes on including places like phoenix, tucson, el paso. another run at triple digits well into them phoenix. 109 later this after. gulf coast temperatures in mid-90s feeling more like the triple digits. prepare for that if you're out and about. get this. earlier this week the four warmest days ever recorded across the globe. july 3rd through 6th hit daily global heat records. last time this occurred way back in 2016. might remember, also the warmest year on record. and it is during an el nino, which we're preparing for today. talk abou

kristen and peter? >> emily, thanks for that.ctly excite mere to get back on a roller coaster. >> how many times has your kid said, hey, i wish this thing went longer! >> no, again and again. >> exactly. >> and the forecast for us, angie lassman, again, and it is a cooker. >> yeah, guys. you know, i liked roller coasters until about five minutes ago when i saw that story. you're right, peter. it's a scorcher out there. 100 million, more than that, under heat alerts stretching from the southwest. just been dealing with weeks and weeks of really uncomfortable conditions. kansas city, st. louis under heat warnings along with washington, d.c. talking about temperatures, seen a little relief, looking for good news. in parts of the midwest. detroit heads to low 80s today. minneapolis, chicago, all in the same kind of range. still warm in places like d.c., new york today and points south. look what happens by tomorrow. philadelphia ends up at 85 degrees. i know what you're thinking. this isn't cool by any means but closer to where we sh

[peter] democrats remain divided between the populist pitch from bernie sanders and elizabeth warren, and more moderate messaging by biden, buttigieg, amy klobuchar. [kristen vice president joe biden, who has struggled to hold on to his frontrunner status, needs a strong showing here. joe biden was the frontrunner for the democratic nomination until he wasn't. [ed] former mayor pete buttigieg and senator bernie sanders are claiming victory in the iowa caucuses. [alisyn] here are the numbers as they stand. pete buttigieg holds a slight lead over the rest. [kristen] tonight, after the chaos in iowa, voters in new hampshire having their say. mr. trump out of the white house. that's my number one issue! cbs news projects senator bernie sanders as the winner of the new hampshire primary. here we have joe biden, really, with no momentum, and goes into south carolina as a very wounded candidate. you know, the press is ready to declare people dead quickly. but we're alive, and we're coming back, and we're gonna win. [kristen] south carolina could be make or break for joe biden, who's leading here, and today getting a prominent endorsement from top democrat, congre