Scientists in South Dakota detected an unusual particle interaction that has resisted other explanations. Researchers say it appeared where they would expect dark matter to show up.

Also, the best bet for rain-free weather for the Labor Day weekend will be in the middle of the nation due to a heat dome. Meanwhile, showers and storms will roam the edges from the West to the Canada border and in the East.

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Rounds of severe weather and torrential downpours will roll from parts of the Midwest to portions of the Atlantic Coast through at least Friday. Expect power outages and travel disruptions.

Also, a Chicago fireboat sprayed water on the DuSable Lake Shore Drive Bridge after a heat-related malfunction snarled traffic Wednesday.

And hail larger than a grapefruit fell in Illinois earlier this year and has officially bee confirmed as a new state record.

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Edouard moved ashore near Johnson Bayou, Louisiana, bringing flooding rain, storm surge and gusty winds. More than 81,000 customers in Texas were without power heading into Tuesday night.

Also, the Gateway Arch in St. Louis will turn off its exterior lights each night in September as billions of birds migrate south across North America, including many along the Mississippi Flyway.

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Strengthening Tropical Storm Edouard is tracking toward Texas bringing rounds of heavy rain and a growing flash flooding risk along the Gulf Coast.

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A tropical rainstorm tracking toward Texas will bring rounds of heavy rain and a growing flash flooding risk along the Gulf Coast.

Also, NASA’s new observatory, the Nancy Grace Roman Space Telescope, has lifted off to solve the universe’s enduring mysteries.

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Tropical Storm Dolly has formed over the south-central Atlantic, but hostile wind shear may threaten its survival near the Caribbean. Downpours and rough seas are forecast for the Lesser Antilles regardless.

Plus, New England, upstate New York and parts of California could see vibrant fall colors this year, while drought and wildfire stress may dull leaves in the Rockies and parts of the East.

And Bonnaroo, the music festival held during June in Tennessee, has canceled the show for 2027 to give the grounds a chance to recover from severe weather.

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An Atlantic tropical wave could become Tropical Storm Dolly, but hostile wind shear may threaten its survival prior to reaching the Caribbean. Heavy rain and rough seas could still reach the Lesser Antilles.

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A strengthening El Niño and unusually warm Atlantic waters pushed the global average sea-surface temperature to a new high in August.

Also, from destructive winds to hopeful blue skies, weather has shaped some of Parton’s most memorable music. The country music legend died at 80 on Aug. 25.

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AccuWeather meteorologists are tracking two areas for tropical development near Bermuda and off Africa as Atlantic hurricane season begins its historical surge and El Niño intensifies.

Also, Moke brought Hawaii a second tropical scare in one week, but crews can again focus on restoring power and repairing damage left by Hurricane Lala.

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Moke will travel close enough to Hawaii to bring enough rain to cause flash flooding on the Big Island later this weekend to early this week.

Also, a 68 year old visitor to Death Valley died after the car he was riding in got stuck.

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AccuWeather’s 2026 fall allergy forecast shows weed pollen will be a widespread concern, while grass pollen remains highest in parts of the East and Midwest.

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