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Weather St. Louis, MO

St. Louis Weather Today: Sunny and 83°F — One of the Best Days of Early Summer

Best Window Today: 83°F, Sunny
Rain Risk Possible
What To Wear / Bring Rain layer, water-resistant shoes, and a backup indoor plan
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7-Day Forecast

Today 83°Sunny
Thu 87°Mostly Sunny
Fri 88°Mostly Sunny
Sat 90°Chance Showe...
Sun 89°Chance Showe...
Mon 87°Showers And ...
Tue 89°Chance Showe...

St. Louis is in for one of the cleanest mid-week days of the young summer — sunny skies, a high near 83°F, light southeast winds at 2 to 7 mph, and zero chance of rain. If you’ve been waiting for a reason to get outside, Wednesday is it.

Today’s Setup

A surface high parked over the Great Lakes is locking in dry, calm weather across the Mid-Mississippi Valley today, according to the National Weather Service. Temperatures climb from the upper 50s at sunrise into the low 80s by early afternoon. Tonight cools to a comfortable 62°F under mostly clear skies — windows-open sleeping weather all the way.

Best Window To Be Outside

Honestly? The whole day. Morning runners along the Mississippi Riverfront or through Forest Park will enjoy a crisp, clear start. A quality pair of running shoes men makes that early loop even better. By midday, the Gateway Arch grounds and Tower Grove Park will be at their best. With no humidity and no clouds, it’s also an ideal day for yard work — conditions are perfect to apply lawn fertilizer spring before the summer heat digs in.

Cardinals vs. Rangers Tonight at Busch Stadium

The St. Louis Cardinals host the Texas Rangers tonight at Busch Stadium, and the weather is cooperating completely. Expect upper 70s at first pitch, dropping into the low 70s by the late innings with just a whisper of a south breeze. Tailgating on the Ballpark Village patio will be prime. Grab a St. Louis Cardinals jersey or St. Louis Cardinals fitted cap and Get tickets on SeatGeek if you’re still on the fence. Looking further ahead, check out our Cardinals vs. Reds gameday weather preview for June 6 as that weekend forecast gets more interesting.

Weekend Warm-Up — Storm Chances Return

Thursday reaches near 87°F with mostly sunny skies. Friday pushes to near 88°F, and that’s where it gets less simple — the National Weather Service says early summer humidity begins returning along with a 14% storm chance Friday. The weekend pattern grows murkier from there, with showers and thunderstorms increasingly possible Saturday into Sunday.

HARDY plays Hollywood Casino Amphitheater on Friday, June 5 — an outdoor venue where that creeping storm chance matters. Toss a HARDY t-shirt or HARDY hat in your bag as a backup layer. Find tickets on StubHub before the show sells out.

For any backyard hosting this weekend, a pop-up canopy tent with weights is smart insurance against a surprise shower. Browse outdoor gear deals for more prep ideas.

Fire Up the Grill Tonight

Tonight’s sunny 83°F high and calm, dry air are essentially a standing invitation to grill. Burgers, steaks, or grilled chicken with corn on the cob — this is what early June in St. Louis is made for. A reliable instant-read meat thermometer takes the guesswork out of doneness, and a grill brush and scraper set keeps your grates ready to go. Shopping ahead for the holiday? A Father’s Day grilling set ships fast. Need ingredients? You can order groceries on Amazon and have everything for tonight’s dinner delivered to your door.

Next Few Days

Dry and beautiful through Thursday with highs in the mid-to-upper 80s. Humidity and storm chances creep back in Friday evening and persist into the weekend — more like true St. Louis summer. Keep an eye on the St. Louis weather forecast for updated timing on those weekend storms.

Live Radar — St. Louis Area

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Live weather radar for St. Louis, MO

Radar data from the National Weather Service