Flash flood alerts follow thick morning rain in the St. Louis region, heavily disturbing this week’s landscape. Flash flood warnings are in place for Franklin Gasconade, Lincoln, Pike, and Warren counties in Illinois. Each warning has different ending times with some ending as early as 8,30 AM and others extending until 10,30 AM.

Flash Flood Warnings and Risks of Severe Weather

Flash Flood Warning Information,

Affected Counties, Franklin, Gasconade, Lincoln, Pike, Warren
Warning Expiry Times, Lincoln and Pike at 8,30 AM, Franklin, Gasconade, Warren at 10,30 AM
Risks of Severe Weather, heavy rainfalls with the potential for wind damage

Influence on Fourth of July Celebrations

The predicted severe weather is already affecting planned Fourth of July festivities in the St. Louis area with disruption to fireworks displays anticipated for Wednesday and Thursday due to a likelihood they’ll be rained out. This weather has pushed officials into rescheduling many events.

Here’s how some key events have changed,

In Washington MO Star Spangled 4th celebration from Thursday to Friday
Potential rescheduling for Alton Fireworks Spectacular possibly moved to Friday
Fireworks Over O’Fallon reschedule contingency is set for July 7

Storm Forecast for Wednesday and Thursday

Wednesday afternoon may experience intense storms primarily south of metro St. Louis area with the primary concern being heavy rainfall and resulting wind damage.

Wednesday Weather Summary,

Morning, Heavy rainfall across the area, flash flood alerts in action
Afternoon/Evening, Severe storms most likely south of St. Louis

The severe weather forecast for Thursday is uncertain. Persistent rain and thunderstorms can be expected in the morning but are projected to weaken by lunchtime. However, thunderstorms may reoccur later in the day due to a close by cold front which could disturb fireworks displays after 9 PM.

Influence on Fireworks Events

The firework events planned today, and tomorrow are risky due to weather. Several fireworks show risk cancellation or rescheduling.

Affected Events,

Celebrate Saint Louis monitoring closely, announcements from main stage and through social media about any changes.
No contingency plan for St Charles Riverfest, bad weather leading towards possible cancellation.
Jefferson County Fairgrounds sets backup plan moving fireworks show to Friday if it rains out.

The risky thunderstorms have encouraged meteorologists at “5 On Your Side” to issue Weather Impact Alert Days for July 3 and 4.

Alert Days,

July 3, Severe storms more probable south of metro area
July 4, Storms expected early morning and late evening.

Community and Safety Concerns

Local organizers emphasize safety as their main priority during these weather-related uncertainties so some event changes could occur such as Celebrate Saint Louis monitoring weather updates closely or the Hillsboro Community Civic Club rescheduling fireworks to ensure safety.

Weather Forecast for the week

The stormy weather is likely to extend into Fourth of July with conditions improving by Friday and across the weekend.

This is forecast for St. Louis Metro,

Today, morning storms, partly cloudy and wet later on with maximum temperatures reaching around 90.
Tonight, possible storms, clouds and dampness anticipated with minimum temperatures in the 70s.
Thursday (4th of July), morning storms followed by evening potential storms.

Maximum temperatures in the upper 80s.

Friday, mainly sunny predicting highs in mid to upper 80s.
Saturday, predominantly sunny forecasting highs in upper 80s.
Sunday, mostly sunny predicting highs close to 90s.
Monday, mainly sunny alternating partly cloudy, chance of afternoon storm predicting heights around upper 80s.
Tuesday, mostly clear, isolated likelihood of afternoon storm forecasting top highs around upper 80s.

Conclusion

Viewers are encouraged to stay informed and safe as severe weather nears affecting residents and event organizers across St. Louis county. Monitoring updates for flash flood warnings and ensuring readiness for upcoming storm rounds is key. It’s important to follow guidance provided by local authorities.