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Iowa State Fair forecast: Latest weather information for the fairgrounds in Des Moines

Iowa State Fair forecast: Latest weather information for the fairgrounds in Des Moines
IOWA’S NEWS LEADER. ANSWER THE DOOR. IN THE NEXT COUPLE OF DAYS, WE’RE GOING TO DEAL WITH MORE HEAT. OH MY GOSH. AND HUMIDITY. THE HEAT INDEX IS SHOOTING ALL THE WAY UP. IT’S BACK. YEAH, WE’RE TALKING SOME PRETTY HOT WEATHER HERE THE NEXT COUPLE OF DAYS. THANKFULLY, IT’S NOT A PROLONGED STRETCH, BUT YOU’RE DEFINITELY GOING TO FEEL IT HERE THIS AFTERNOON AND TOMORROW AFTERNOON. ESPECIALLY KEEPING AN EYE ON OUR CAMERAS HERE ACROSS THE STATE. WE’VE BEEN WATCHING THAT LIGHTNING OFF TO THE EAST. IT LOOKS LIKE MAYBE IT’S CALMED DOWN JUST A LITTLE BIT. THERE ARE STILL SOME PRETTY GOOD STORMS OUT THERE THOUGH. MOST OF THIS THUNDERSTORM ACTIVITY, THE HEAVIEST AT LEAST, IS OFF TO THE EAST OF DES MOINES. YOU CAN SEE THESE HEAVY DOWNPOURS ANYWHERE. YOU SEE THE ORANGES AND THE REDS. THAT’S SOME PRETTY HEAVY RAIN. THESE HAVE BEEN JUST EAST OF PELLA. WE’VE BEEN WATCHING ALL THAT LIGHTNING JUST NORTH OF OSKALOOSA STILL HAVE SOME VERY HEAVY RAINFALL JUST WEST OF OTTUMWA, BACK TOWARD ALBIA, INTO THE CENTERVILLE AREA. AND THESE STORMS ARE STILL TRACKING BACK INTO THE METRO. WE HAVE SOME SHOWERS HERE ON THE SOUTH SIDE OF TOWN. RAIN MOVING THROUGH INDIANOLA CARLISLE RIGHT NOW. THESE STORMS MOVING FROM WEST TO EAST, AND THERE’S STILL ADDITIONAL ACTIVITY OFF TO THE WEST OF ADEL, BACK TOWARD GUTHRIE CENTER. SO THESE WILL LIKELY MAKE THEIR WAY BACK INTO THE METRO HERE THROUGHOUT THE MORNING HOURS. SO WE’RE GETTING A LITTLE BIT OF A BREAK RIGHT NOW HERE IN DES MOINES. BUT THERE’S MORE THUNDERSTORM ACTIVITY OFF TO THE WEST, SO WE WILL LIKELY GET MORE RAIN HERE. SO WET ROADS CAN BE EXPECTED FOR THAT MORNING DRIVE AGAIN TODAY. BUT YOU NOTICE WE DON’T HAVE THAT HUGE LINE OF THUNDERSTORMS LIKE WE DID OUT THERE YESTERDAY. SO ONCE THIS LITTLE POCKET OF ACTIVITY PUSHES ON BY, WE WILL SEE DRY CONDITIONS RETURN FOR THE REST OF THE DAY. RIGHT NOW 72 DEGREES. WE’VE HAD A COUPLE OF SPRINKLES ON THE CAMERA. THERE WAS A FLASH OF LIGHTNING HERE IN DES MOINES THAT IS ON THE HUMID SIDE. THAT DEW POINT SITTING AT 70. SO THE HUMIDITY IS DEFINITELY BACK 69 IN AMES, 65 IN IOWA FALLS, 72 IN SHERIDAN. RIGHT NOW, COMPUTER MODELS STRUGGLING WITH THE THUNDERSTORM ACTIVITY OUT THERE AGAIN THIS MORNING, JUST LIKE THEY WERE YESTERDAY. BUT YOU CAN SEE WE HAVE THIS ACTIVITY POPPING UP RIGHT OVER CENTRAL IOWA WILL LIKELY STILL HAVE SOME SCATTERED STORMS AROUND THROUGH SIX SEVEN, 8:00. I THINK AFTER EIGHT THE ACTIVITY STARTS TO DIE DOWN. WE STILL HAVE SOME CLOUDS HANGING AROUND THROUGH ABOUT 10:00, BUT THE SUNSHINE IS BACK BY NOON. AND AS WE GET INTO THE AFTERNOON AND THINGS ARE GOING TO START TO HEAT UP, WE’RE TALKING HIGH TEMPERATURES IN THE UPPER 90S TODAY. OR, EXCUSE ME, UPPER 80S TODAY. NOT QUITE THE 90S YET, BUT IF YOU’RE HEADING OUT TO THE FAIR TODAY, COULD HAVE SOME SHOWERS STILL LINGERING AROUND ABOUT 8:00. BUT AS WE HEAD INTO THE AFTERNOON, THAT’S WHEN WE SEE THE HEAT AND HUMIDITY BUILDING BACK IN HIGHS TODAY, ABOUT 89 DEGREES. ANY THUNDERSTORM ICONS YOU SEE ON HERE IS FOR THE MORNING HOURS. LOOK AT THE HEAT INDEX FORECAST THOUGH. TODAY BY 1:00 THE HEAT INDEX 92. FEELING LIKE 95 BY ABOUT 3:00. SO THAT HEAT INDEX TOPPING TOPPING OUT ABOUT 9596 TODAY. TOMORROW WE MAKE IT INTO THE 90S ON THE THERMOMETER HIGH BETWEEN 90 AND 93 DEGREES. YOU FACTOR IN THE HUMIDITY. FRIDAY AFTERNOON. IT’S GOING TO FEEL HOT. THAT HEAT INDEX AROUND 100. ABOUT 103. AND WE HAVE SOME SPOTTY STORM CHANCES HEADING INTO THE WEEKEND. THAT HELPS TO TONE TEMPERATURES BACK DOWN JUST A LITTLE BIT BACK INTO THE MID 80S BY SUNDAY. AND THAT SHOULD LINGER THROUGH THE MIDDLE PART OF NEXT WEEK. ALON
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Updated: 9:16 AM CDT Aug 7, 2025
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Iowa State Fair forecast: Latest weather information for the fairgrounds in Des Moines
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Updated: 9:16 AM CDT Aug 7, 2025
Editorial Standards
Hot and humid weather will return for the Iowa State Fair. But first, rain.Thursday morning saw a soggy start to the fair, with thunderstorms covering much of central Iowa. That tapers off to spotty showers by 10 a.m., and any rain should be done by about 11.Temperatures will warm from the upper-60s early in the day, into the 80s by noon. High temperatures should reach the upper-80s, just shy of 90 degrees Thursday afternoon. With the humidity, expect the heat index to top out between 95 and 100 degrees.» vlog's 8-day forecastFriday will bring sunny and hot weather, likely the hottest weather this week. Morning temperatures will start off in the mid-70s, and quickly warm into the upper-80s by midday. Afternoon highs will reach the low- to mid-90s. Very humid conditions will continue, pushing heat index readings into the 100 to 105 degree range. Be sure to have plenty of water on hand and take breaks in the shade or A/C where you can during the hottest part of the day. Temperatures will likely remain in the low-90s through sunset, dropping back into the mid-80s by 9 p.m.Storm chances return over the weekend, though the timing on the rain continues to fluctuate. Current forecasts favor early in the day, and then the evening or overnight hours. The increase in clouds and the rain will help to keep highs in the mid- to upper-80s. Expect the humid conditions to persist through the weekend.The forecast turns a little drier for the start of next week with highs in the mid to upper-80s. Conditions that are fairly close to average for the middle of August.» Frequently asked questions about the Iowa State Fair» See all of our Iowa State Fair coverage here.vlog skycam: Views from the Iowa State FairgroundsThis image is updated every 60 seconds on this page.

Hot and humid weather will return for the Iowa State Fair. But first, rain.

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Thursday morning saw a soggy start to the fair, with thunderstorms covering much of central Iowa. That tapers off to spotty showers by 10 a.m., and any rain should be done by about 11.

Temperatures will warm from the upper-60s early in the day, into the 80s by noon. High temperatures should reach the upper-80s, just shy of 90 degrees Thursday afternoon. With the humidity, expect the heat index to top out between 95 and 100 degrees.

» vlog's 8-day forecast

Friday will bring sunny and hot weather, likely the hottest weather this week. Morning temperatures will start off in the mid-70s, and quickly warm into the upper-80s by midday. Afternoon highs will reach the low- to mid-90s. Very humid conditions will continue, pushing heat index readings into the 100 to 105 degree range. Be sure to have plenty of water on hand and take breaks in the shade or A/C where you can during the hottest part of the day. Temperatures will likely remain in the low-90s through sunset, dropping back into the mid-80s by 9 p.m.

Storm chances return over the weekend, though the timing on the rain continues to fluctuate. Current forecasts favor early in the day, and then the evening or overnight hours. The increase in clouds and the rain will help to keep highs in the mid- to upper-80s. Expect the humid conditions to persist through the weekend.

The forecast turns a little drier for the start of next week with highs in the mid to upper-80s. Conditions that are fairly close to average for the middle of August.

» Frequently asked questions about the Iowa State Fair

» See all of our Iowa State Fair coverage here.

vlog skycam: Views from the Iowa State Fairgrounds

This image is updated every 60 seconds on this page.

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