Iowa weather: What to know about the heat wave on the way

The summer’s first heat wave will bring an extended period of 90 degree weather along with feels like temperatures topping 100 degrees.

CARNIVAL GAMES. THROUGHOUT THE REMAINDER OF THE SUMMER. TIME NOW IS 747, CHECKING IN WITH SLOAN AND SLOAN STILL KEEPING AN EYE ON THAT SYSTEM. MOVING ACROSS THE NORTH PART OF OUR STATE. YES, BO. SO THE STRONGEST PART OF THAT SYSTEM DID JUST MOVE THROUGH ALGONA OVER HERE, YOU CAN KIND OF STILL SEE A LITTLE BIT OF THAT RAIN STICKING ON. THEY JUST, THEY, THEY DID JUST GET WINDS OF 52 MILES AN HOUR. SO DEFINITELY VERY, VERY WINDY ALSO THERE. COOL. RIGHT NOW, BECAUSE OF ALL THAT RAIN, ONLY 68 DEGREES. I GUESS THEY WOULD WISH THEY WOULD SHARE THOSE COOL TEMPERATURES WITH US FOR THE REST OF THE DAY. LET’S GO AHEAD AND TAKE A LOOK AT OUR CURRENT RADAR. AGAIN, NORTHWEST IOWA IS REALLY THE SPOT THAT WE’RE LOOKING AT RIGHT NOW. SO YOU CAN REALLY JUST SEE KIND OF THAT LINE OF STORMS THAT DID JUST PUSH THROUGH ALGONA. THEY ARE PUSHING EASTWARD TOWARDS MASON CITY AGAIN, EASTWARD A LITTLE BIT ON THE NORTHWARD SIDE AS WELL THROUGHOUT AS WE GET TO THE REST OF THIS MORNING, WE CAN KIND OF SEE THE TIMING OF SOME OF THESE STORMS AS WELL. SO. 754 GILMORE CITY. 802 BRITT SO YOU CAN REALLY JUST SEE THE TRACK AS THOSE MOVE EASTWARD THROUGHOUT THE NEXT FEW MINUTES, THROUGHOUT THE NEXT FEW HOURS, THERE’S A SEVERE THUNDERSTORM WARNING IN PLACE, IN PLACE FOR ALL OF KOSSUTH COUNTY. ALSO JUST THE NORTHERN PARTS OF POCAHONTAS AND HUMBOLDT, HUMBOLDT COUNTY AS WELL. THAT DOES GO UNTIL 8A8AM THIS MORNING. THERE ALSO IS A SEVERE THUNDERSTORM WATCH FOR QUITE A FEW PORTIONS OF NORTHWESTERN IOWA. SO THAT IS DOES INCLUDE ALGONA, FORT DODGE MASON CITY THAT IS GOING TO BE IN PLACE UNTIL 9 A.M. THIS MORNING. LET’S GO AHEAD AND PUT A FUTURE TRACK ON SOME OF THESE STORMS AND SEE WHERE EXACTLY THEY WILL MOVE THROUGHOUT THE REST OF THE MORNING. SO, AS YOU CAN SEE, AS WE REACH 9 A.M., RIGHT BETWEEN ALGONA AND MASON CITY, ALSO COULD HAVE JUST A LITTLE BIT OF A TRAIL OF SOME RAIN POSSIBLY REACHING THE METRO AREA AND AMES AS WE GO THROUGHOUT THE MORNING. AND THEN WE DO CLEAR UP QUITE A BIT AS WE REACH NOON HOUR, AS WE REACH AROUND 1 P.M. AND THAT’S WHEN THAT HEAT REALLY STARTS TO SET IN AGAIN, LIKE I WAS TALKING ABOUT, WE HAVE HAD SOME HIGH WIND GUSTS THIS MORNING AND IT IS GOING TO CONTINUE TO BE BREEZY, CONTINUE TO BE WINDY OVER THE NEXT FEW DAYS AS WELL. THAT ALSO COMES ALONG WITH ALL OF THAT HEAT AND HUMIDITY. SO WE’VE GOT WIND, WE’VE GOT HEAT, WE’VE GOT HUMIDITY. WE’VE GOT ALL THIS WEEK. SO 77 FOR OUR DEW POINT ON MONDAY. WOW. THAT IS A REALLY, REALLY HIGH ONE. MEANS WE’RE GOING TO BE FEELING SOUPY MUGGY FOR SURE. IT’S GOING TO BE DOWNRIGHT STICKY. AND TAKE A LOOK AT THOSE HEAT INDICES. 106 FOR MONDAY AND TUESDAY, 102 101. SO DEFINITELY PUT THOSE PLANS IN PLACE. MAYBE HEAD OUT TO THE POOL, SOMETHING LIKE THAT TO STAY COOL. WE ARE ALSO UNDER THAT EXTREME HEAT WARNING FOR REALLY A LOT OF THE STATE, BESIDES JUST A FEW PORTIONS OF NORTHWEST IOWA. SO YEAH, PRETTY MUCH THE ENTIRETY OF THE STATE THAT IS GOING ON FROM TODAY. FROM THIS AFTERNOON UNTIL 9 P.M. ON TUESDAY. SO IT’S ALWAYS JUST A GOOD TIME TO REVIEW THOSE HEAT SAFETY TIPS, MAKE SURE WE’RE NEVER LEAVING THOSE PETS OR THOSE KIDS IN THE CAR. MAKE SURE YOU’RE ALSO BRINGING PLENTY OF WATER ALONG WITH YOU. IF YOU HAVE ANY OUTDOOR PLANS AT ALL. NICE AND MILD TONIGHT, RIGHT AROUND 77 DEGREES IN THE METRO AREA. AND THEN AGAIN, WE REALLY, REALLY HEAT UP A LOT OF SUN TOMORROW AS WELL. AROUND 96 DEGREES FOR TOMORROW’S HIGH. AND THEN TAKING A LOOK AT OUR FULL EIGHT DAY FORECAST, WE CAN SEE IMPACT DAYS MONDAY THROUGH SATURDAY BECAUSE A LOT OF THAT HEAT WE’RE GOING TO BE IN THE MID 90S TOMORROW AND TUESDAY.

Iowa weather: What to know about the heat wave on the way

The summer’s first heat wave will bring an extended period of 90 degree weather along with feels like temperatures topping 100 degrees.

Updated: 8:17 AM CDT Jun 28, 2026

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The summer’s first heat wave arrives in Iowa on Sunday, becoming more intense on Monday and lasting through the week. Here’s what to know about the heat.Interactive Radar | Weather Alerts | SkycamsAn Extreme Heat Warning has been issued for most of Iowa through Tuesday, though it will likely be extended through the week. The heat warning has been issued because the combination of hot and humid conditions are expected to pose potential health concerns for anyone outdoors for an extended period of time.The hot conditions begin to arrive Sunday afternoon with gusty south winds pulling in higher humidity. High temperatures will top out in the low 90s, with the heat index around 100 degrees.Even hotter conditions are expected on Monday, with highs likely reaching the mid-90s. Combined with the thick humidity, this will produce feels like temperatures between 100 and 107 degrees for much of Iowa.The hot and humid conditions will continue each afternoon through at least Saturday, though temperatures may vary by a couple degrees throughout the week. Heat index readings around 100 to 107 can be expected each afternoon, including for the holiday weekend.Make sure to take the heat into consideration for any outdoor activities. Have plenty of water on hand, take breaks in the shade when possible, and try to plan around the hottest parts of the day.Do not leave young children and pets in unattended vehicles. Car interiors will reach dangerous temperatures in a matter of minutes.Stay alert for any signs of heat-related illnesses, including heat exhaustion and heat stroke. Some signs include headache, dizziness, nausea, confusion or slurred speech. If symptoms worsen or last more than an hour, seek medical attention.

DES MOINES, Iowa —

The summer’s first heat wave arrives in Iowa on Sunday, becoming more intense on Monday and lasting through the week. Here’s what to know about the heat.

Interactive Radar | Weather Alerts | Skycams

An Extreme Heat Warning has been issued for most of Iowa through Tuesday, though it will likely be extended through the week. The heat warning has been issued because the combination of hot and humid conditions are expected to pose potential health concerns for anyone outdoors for an extended period of time.

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Excessive Heat Warning for much of Iowa through at least Tuesday.

The hot conditions begin to arrive Sunday afternoon with gusty south winds pulling in higher humidity. High temperatures will top out in the low 90s, with the heat index around 100 degrees.

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Sunday heat index forecast

Even hotter conditions are expected on Monday, with highs likely reaching the mid-90s. Combined with the thick humidity, this will produce feels like temperatures between 100 and 107 degrees for much of Iowa.

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Monday heat index forecast

The hot and humid conditions will continue each afternoon through at least Saturday, though temperatures may vary by a couple degrees throughout the week. Heat index readings around 100 to 107 can be expected each afternoon, including for the holiday weekend.

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Heat index forecast through Thursday

Make sure to take the heat into consideration for any outdoor activities. Have plenty of water on hand, take breaks in the shade when possible, and try to plan around the hottest parts of the day.

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Heat wave safety reminders

Do not leave young children and pets in unattended vehicles. Car interiors will reach dangerous temperatures in a matter of minutes.

Stay alert for any signs of heat-related illnesses, including heat exhaustion and heat stroke. Some signs include headache, dizziness, nausea, confusion or slurred speech. If symptoms worsen or last more than an hour, seek medical attention.