The National Weather Service has issued a Flash Flood Watch until Sunday night. A Flash Flood Warning continues until 2:30 a.m. for Dallas and Ellis Counties. A similar warning is in effect for Johnson and Hill counties until 4:30 a.m.
Also - a Tornado Watch has been issued for Collin, Cooke, Denton, Fannin, Grayson, Jack, Montague, Wise and Young counties until Sunday 2:00 a.m.
Waves of heavy rain and storms can be expected through Sunday morning with more showers and storms possible by Sunday afternoon. A few storms may be severe with large hail, damaging winds and a low tornado threat. Metroplex rainfall of 1-4" will be possible with as much as 5-6" of rain northwest of the metroplex. Rain chances continue through Memorial Day Monday. The good news is that rain chances get much lower Tuesday through Thursday.
7 DAY FORECAST:
TONIGHT: 90% chance for additional rain & storms. Flooding will be possible. Low: 68. Wind: SE 10-20 mph.
SUNDAY: 90% chance for rain in the early morning, with a 60% chance by the afternoon. Flooding will remain possible. High: 78. Wind: SE 10-20 mph.
MEMORIAL DAY: Mostly cloudy with a 60% chance of storms, mainly in the afternoon. Low: 70. High: 81. Wind: S 10-20 mph.
TUESDAY: Partly cloudy with a 30% chance of scattered storms. Low: 69. High: 83. Wind: S 10 mph.
WEDNESDAY: Partly sunny with a 20% chance for a few storms. Low: 70. High: 85. Wind: SE 5-15 mph.
THURSDAY: Partly cloudy and warm with a 20% chance for isolated storms. Low: 71. High: 85. Wind: SE 5-15 mph.
FRIDAY: Partly sunny with a 40% chance of storms. Low 71. High 84. Wind: SE 10-15 mph.
SATURDAY: Partly sunny with a 40% chance of storms. Low: 72. High: 84. Wind: SE 10-15 mph.