Heavy Rainfall for the Mid-Atlantic; Heat and Wildfire Concerns for the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region today into tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the interior Northwest with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Scattered strong to severe storms are possible this afternoon into early evening as a surface front works across the area.

Moving into Tuesday and through at least Friday, that front will hang around and remain the focus for repeated rounds of showers and storms. With a very moist airmass in place, the rain will be heavy at times. Areas that see repeated heavy rainfall will see an increasing risk of localized flooding and river rises.

Pay close attention to the forecast as we move through the week, as rainfall amounts and locations impacted are pinned down.

Today: Severe Storm Risk

What: strong to severe storms possible. Damaging wind gusts, small hail the main threats.
Where: entire area
Timing: til 9 PM
Impacts: Winds could lead to tree damage, downed power lines. Localized flooding possible, with rises on some rivers and streams
ACTION: stay weather aware! Take shelter when storms approach. If flooding is observed, move to higher ground

Rest Of Week: Rain, Heavy At Times

What: periods of rain. Rain will be heavy at times. Several inches of accumulation possible where storms repeat - could lead to localized flooding. Expect rises on many rivers and streams
Where: entire area. Focus for heavy rain threat could shift day-to-day.
Timing: through late week
Impacts: localized flooding. Ponding of water on roadways, storm sewers may backup. Mud and rock slides possible in hilly terrain. Rises on area rivers and streams
ACTION: If flooding is observed, move to higher ground. Never drive a vehicle across a flooded road - it could be washed out or car easily carried into flood waters. Exercise extreme caution at night - harder to recognize the dangers of flash flooding

Additional Information:

Today's Severe Outlook

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Heavy Rainfall for the Mid-Atlantic; Heat and Wildfire Concerns for the West

Severe Risk Today, Heavy Rain At Times This Week