Rain may dampen President Donald Trump's plans Saturday night to celebrate the U.S. Army's 250th birthday with thousands of troops, 150 vehicles and 50 aircraft.

In the Eastern Pacific, where hurricane season began on May 15 and where storms typically form before they do in the Atlantic, has been off to a busy start. Four storms have already formed off the west coast of North America: Alvin, Barbara, Cosme and Dalila. Both seasons run through Nov. 30.

OMAHA, Neb. (WOWT) - Tuesday is a First Alert 6 Weather Day for the chance of severe weather. These storms look to move from the north to the south. The timeline for the first round of storms look to be after midnight through sunrise Tuesday morning. The second round looks to be mid afternoon through sundown.

Sunday morning starts off with a blanket of clouds and a few isolated showers. Temps will jump from the 60s into the 80s by the afternoon, as locally heavy showers and storms return to the region. There is no potential for these storms to turn severe, but just like today, there is a concern for locally heavy rains causing flash flooding concerns.

There is a significant chance of rain across the Washington, D.C., area on Saturday, the National Weather Service said, and thunderstorms late in the afternoon or evening could coincide with events near the National Mall to mark the U.S. Army’s 250th birthday.

Weather Impact Alert Day has been issued for Wednesday as the threat of strong to severe storms increases. Threats appear to be focused around wind and hail.

Skies remain mostly cloudy to overcast for the morning and early afternoon, highs today reach the low to middle 80s with a steady southwest breeze gusting up to 20 miles per hour. The clusters of heavy rain and storms will track eastward across the Tennessee Valley from late morning into the early evening.

HOUSTON — After a dry and warm start to the day, storms are expected to redevelop this afternoon across Southeast Texas. A Weather Impact Alert is in effect for Friday afternoon as heavy rain could lead to street flooding during the evening commute.