National Weather Service United States Department of Commerce

Heavy Rain and Flood Threat From Ohio Valley Into Southeast

A slow moving, almost stationary, storm system will impact areas from the Ohio Valley into the southern Appalachians, Southeast and Mid-Atlantic region with heavy rain and flash flood concerns through late week. These torrential rains will have the potential to fall over the same area, become quite excessive and produce dangerous flash floods. Read More >

Click a location below for detailed forecast.

Last Map Update: Tue, May. 19, 2020 at 5:17:18 pm CDT

National Weather Service Amarillo, TXNational Weather Service Norman, OKNational Weather Service Tulsa, OK
National Weather Service San Angelo, TXZoom

National Weather Service Shreveport, LA
National Weather Service Austin/San Antonio, TXNational Weather Service Houston/Galveston, TXNational Weather Service Lake Charles, LA

An Ozone Action Day will be in effect for the Dallas-Fort Worth area Tuesday, May 19, 2020. Conditions will be favorable for producing high levels of ozone air pollution in the DFW area. If you plan to be outdoors, limit prolonged or heavy outdoor exertion. You can also help reduce the impacts by combining errands or carpooling when possible.
It won't be raining ALL the time, but there will be increasing, off and on rain chances, especially by Sunday and Memorial Day as a slow moving low pressure system moves across the state. Scattered to numerous showers and thunderstorms are expected throughout the holiday weekend. Saturday and Sunday could see a few strong storms containing hail and gusty downburst winds. Meanwhile, locally heavy rainfall is possible Sunday and Monday. Localized flooding may occur due to saturated soils and run off with any heavier downpours. Continue to monitor future forecasts regarding the unsettled and at times, stormy weather this coming Memorial Day Weekend. Lows will range from 65 to 75 degrees, while highs will be mostly in the 80s.
The pattern will become more active later this week beginning Wednesday night and continuing through Friday. Coverage will generally be 20-30%. A few strong to even marginally severe storms cannot be ruled out in the northwest and Red River Valley area. Hail and gusty downburst winds are the primary hazards. Rain chances are expected to go up this weekend.
Tonight will generally be a quiet night across North and Central Texas. A few early morning showers and thunderstorms may develop across northeastern parts of the region before sunrise Wednesday. Temperatures will fall into the low 60s to low 70s overnight with increasing clouds across the area. Winds will generally be from the east around 5-10 mph.
With overcast skies lingering across most of North Texas Wednesday, afternoon temperatures will vary widely across the region from the upper 70s in the northeast to the mid 90s in the southwest. Winds will be from the east around 5 to 10 mph.

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