DENVER — A storm system is moving into the state from the north, elevating the risk for severe weather Tuesday afternoon and evening over much of the foothills, Denver and the eastern plains. Large hail, damaging strong winds, localized flooding and a few tornadoes will be possible.
A first round of scattered thunderstorms is expected between 1 p.m. and 5 p.m. along the I-25 Corridor and a second round for storm activity will occur between 7 p.m. and 10 p.m., which may affect fireworks celebrations.
Below, you can find updates related to traffic and weather as the storm moves through, and scroll back to read more about Thursday's storm impacts. Refresh this page for the latest.
TUESDAY, JULY 4
8:45 p.m. | Weather | Arapahoe and Elbert counties are under a severe thunderstorm warning until 9:15 p.m.
Severe Thunderstorm Warning including Arapahoe County, CO, Elbert County, CO until 9:15 PM MDT pic.twitter.com/s9rGINiYH5— NWS Boulder (@NWSBoulder) July 5, 2023
8:21 p.m. | Weather | Adams, Arapahoe and Denver counties are under a severe thunderstorm warning until 8:45 p.m. The storm could bring wind gusts up to 70 mph and penny-size hail.
Severe Thunderstorm Warning continues for Adams County, CO, Arapahoe County, CO, Denver County, CO until 8:45 PM MDT. This storm will contain wind gusts to 70 MPH! pic.twitter.com/hBu83vQxRc— NWS Boulder (@NWSBoulder) July 5, 2023
7:53 p.m. | Fireworks | Officials are reopening City Park in Fort Collins at 8:15 p.m. Fireworks are scheduled to launch at 9:30 p.m.
7:50 p.m. | Weather | The National Weather Service office in Boulder has issued a special weather statement for Denver, Aurora and Lakewood. Those in the area can expect wind up to 50 mph and possibly penny-size hail.
7:27 p.m. | Weather | University of Colorado Boulder Police are urging those in Folsom Field to see shelter in the concourse or Balch Fieldhouse. If outside the stadium, stay in your vehicle or seek shelter in nearby parking garages.
⚠️Continued severe weather in area of Folsom Field. If in stadium, seek shelter in concourse or Balch Fieldhouse. Follow all instructions. If outside stadium, remain in vehicle or seek shelter in nearby parking garages. @wkre @bouldercolorado @boulderpolice #boulder— CU Boulder Police (@CUBoulderPolice) July 5, 2023
7:27 p.m. | Weather | Officials are evacuating Broomfield County Commons due to the incoming severe weather. Those in the park are urged to find shelter. Officials said the fireworks show is currently on hold.
Severe weather is approaching the Broomfield County Commons. Please vacate the park and make your way to shelter.— Broomfield Gov't (@broomfield) July 5, 2023
The fireworks show is currently on hold. The Broomfield team will monitor the storm and post updates. Thank you for your patience and stay safe!
7:09 p.m. | Weather | Prairie Sky Park in Lone Tree has been evacuated due to a "fast-moving storm" that is working its way into the area, according to the city. Those at the event are urged to take shelter. The park will reopen once the storm has passed.
A fast-moving storm is working its way through Prairie Sky Park. For the safety of all attendees, we are requesting everyone at the event evacuate and take shelter. We will re-open once the storm has passed. We will send updates through social media and our website.— City of Lone Tree (@CityofLoneTree) July 5, 2023
7:06 p.m. | Red Rocks delay | Tonight's Blues Traveler concert is on a weather delay due to the weather.
6:54 p.m. | Weather | The National Weather Service office in Boulder has issued a special weather statement for Boulder, Estes Park and Lyons until 7:30 p.m. Those in the area could experience winds up to 50 mph and half inch-sized hail.
6 p.m. | Cancellations, delays at DIA | There are 176 cancellations and more than 328 delays at DIA ahead of severe weather this afternoon and evening, per FlightAware. A ground delay issued by the FAA between 2 p.m. and 10 p.m. has been lifted.
5:20 p.m. | Weather | Nickel-sized hail and 40 mph winds are possible in Loveland, Berthoud and Drake until 5:45 p.m., according to the NWS.
5:16 p.m. | Evacuation orders due to weather | An evacuation notice is in place for City Park in Fort Collins, where a Fourth of July fireworks was scheduled to take place later this evening, due to severe weather in the area. People in the park should seek shelter until further notice.
An evacuation notice is in place for City Park due to severe weather in the area. Guests in the park should seek shelter until further notice.— City of Fort Collins Parks & Recreation (@ParksandRecFC) July 4, 2023
Please text 'FoCo4th' to 888-777 to receive weather alerts on your phone. pic.twitter.com/u0g64UerNz
5:12 p.m. | Guests welcomed back at Cherry Creek | Guests are welcomed back in to Cherry Creek State Park at both the west and east entrances now that the park is now off capacity, CPW officials say.
5 p.m. | Cancellations, delays at DIA | There are 176 cancellations and 308 delays at DIA ahead of severe weather this afternoon and evening, per FlightAware. A ground delay issued by the FAA between 2 p.m. and 10 p.m. remains in effect.
3 p.m. | Cancellations, delays at DIA | There are 170 cancellations and more than 300 delays at DIA ahead of severe weather this afternoon and evening, per FlightAware. A ground delay issued by the FAA between 2 p.m. and 10 p.m. remains in effect.
2:50 p.m. | Weather | A severe thunderstorm watch has been issued for El Paso County until 3:30 p.m., per the NWS. The storm will contain golf ball-sized hail.
2:20 p.m. | Severe thunderstorm watch | A severe thunderstorm watch has been issued for much of the I-25 Corridor and the eastern plains until 11 p.m., per the NWS.
Large hail, localized flooding due to heavy rainfall are the main threats for the Denver metro, while possible tornadoes are a threat for the eastern plains.
2:14 p.m. | Weather | A severe thunderstorm warning has been issued for Grover and Hereford until 3 p.m. This storm will contain wind gusts of up to 70 mph, per the NWS.
2:05 p.m. | Weather | A severe thunderstorm warning has been continues for Weld County until 3:15 p.m. The storm will contain wind gusts of up to 70 mph, according to the NWS.
2 p.m. | Cancellations, delays at DIA | There are 170 cancellations and more than 230 delays at DIA ahead of severe weather this afternoon and evening, per FlightAware. A ground delay issued by the FAA between 2 p.m. and 10 p.m. remains in effect.
1:55 p.m. | Weather | A severe thunderstorm warning continues for Colorado Springs, Security, and Fountain until 2:30 p.m. The storm will contain golf ball-sized hail along with up to 60 mph winds possible, per the NWS.
1:30 p.m. | 4th of July drone show | The City of Boulder says their Fourth of July drone show may start "as early as 8:15 p.m. due to uncertainty around tonight's weather."
1:17 p.m. | Weather | A severe thunderstorm warning is in effect for Granby, Hot Sulphur Springs and Grand Lake until 1:45 p.m. Penny-sized hail and up to 60 mph winds are possible, per the NWS.
1:13 p.m. | Ground delay at DIA | The FAA has issued a ground delay at DIA between 2 p.m. and 10 p.m. today due to severe weather, which could result in delays of up to two hours, airport officials said. People are advised to check with their airline before heading out the door.
11:55 a.m. | Fireworks postponed | Highlands Ranch has cancelled its annual fireworks show "due to the National Weather Service hazardous weather outlook tonight," officials said in a news release.
The show, which was expected to take place at 9:30 p.m. at Highland Heritage Regional Park, will be rescheduled to a later date.
11:10 a.m. | Fireworks postponed | Golden becomes the 2nd city across Colorado to postpone its Fourth of July fireworks show "due to predictions of severe weather." The show will be rescheduled for "later this summer."
FIREWORKS DISPLAY POSTPONED— City of Golden (@CityofGolden) July 4, 2023
Due to predictions of severe weather, the City of Golden has made the decision to reschedule the fireworks for later this summer. Our utmost priority is the safety of our community and those who come to enjoy the creek and the Lions Club Festival. pic.twitter.com/ezyvi9KF5F
10 a.m. | Cancellations, delays at DIA | There are 158 flights cancelled and 55 delays at DIA as thousands travel for the Fourth of July holiday, according to FlightAware. Southwest Airlines is directing people on Twitter to their travel advisories website, which state that scheduled service "may be disrupted" due to forecasted weather conditions in Colorado.
9:21 a.m. | Fireworks postponed | The Town of Estes Park has postponed its Fourth of July fireworks display "due to forecasted severe weather." The show has been rescheduled for July 15 at 9:30 p.m.
Due to forecasted severe weather this evening, the Town of Estes Park has postponed the Independence Day fireworks display. This decision was made out of concern for the safety of spectators and event staff. The display has been rescheduled for July 15, 2023 at 9:30 pm.— Town of Estes Park (@TownofEstesPark) July 4, 2023
9 a.m. | Red flag warning for parts of the mountains | A red flag warning for high winds and extreme fire conditions has been issued for Pitkin and Eagle counties from noon to 9 p.m. Tuesday.
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