Radar courtesy MyRadar | © OpenStreetMap contributors

10 a.m. — Rain exiting area; Widespread totals of 1 to 3 inches

Radar shows the rain has exited much of the region except for some linger showers along the west side of the Chesapeake Bay, including around Annapolis, which should lift off to the northeast over the next couple of hours.

Rainfall totals over the last 24 hours show widespread amounts of 1 to 3 inches with some narrow swaths over 4 inches in Frederick County where there were multiple reports of flooding. At the airports, Reagan National received 1.64 inches, Dulles 1.60 inches and BWI Marshall 0.98 inches

Skies are now rapidly clearing and the afternoon should feature partly to mostly sunny skies, a refreshing breeze from the northwest and highs in the low 70s. Scroll down for the forecast through the weekend.

7:40 a.m. — Flood warning for NW D.C. and eastern Fairfax and southern Montgomery counties

Heavy overnight rain, that has continued into this morning, has caused some streams to overflow onto roadways, causing flooding. A flood warning is in effect until early afternoon for the northwest portion of the District as well as eastern Fairfax and southern Montgomery counties. Some flooding has occurred adjacent to portions of Rock Creek, for example.

Radar suggests downpours will continue through the morning commute near and especially east of Interstate 95, where there has been lightning. About 1 to 3 inches of rain have fallen and a bit more is possible. By 9 a.m., most of the rain should be east of the Beltway and, by 10 a.m., focused along the western shores of the Chesapeake Bay. Rain should exit our eastern areas during the midday hours with clearing skies from west to east this afternoon.

The cold front responsible for these downpours is quite notable. As it crossed the District in the last hour the temperature dropped 13 degrees from 74 to 61. Hello fall!

Today’s daily digit

A somewhat subjective rating of the day’s weather, on a scale of 0 to 10.

3/10: Downpours and possible flooding are a fright, but clearing and cooling arrive by night.

Express forecast

  • Today: Storms with locally heavy rains and gusty winds. Highs: 72-76
  • Tonight: Clearing with calming winds. Lows: 50-56
  • Tomorrow: Sunny and dry. Highs: 70-74

Forecast in detail

Fall is definitely coming in like a lion today with storms producing heavy rain, strong winds and possible flooding. Mother Nature is forgiven as splendidly mild, sunny and dry conditions arrive tomorrow and hold tight through the weekend.

Today (Thursday): Thunderstorms and bursts of heavy rain are likely to start the day; some could contain strong winds, and there’s an outside chance of a tornado. By afternoon, drier air will start to infiltrate, although showers could linger in our eastern areas nearer the Chesapeake Bay. Winds from the southeast are mostly moderate but strong gusts can be expected in the heavier downpours. Temperatures barely budge, with highs in the low to mid-70s. Confidence: Medium-High

Tonight: Skies clear out overnight. Breezes are light from the northwest as lows drop to the low to mid-50s for a definite fall feel. Confidence: High

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Tomorrow (Friday): Sunny skies, low humidity and light breezes help one to forget the chaos of the day before. Highs are only in the low 70s. Confidence: High

Tomorrow night: Clear skies and calming winds allow temperatures to drop to the upper 40s to low 50s (mid-50s downtown). Time to look for a jacket! Confidence: High

A look ahead

A few clouds are likely to pop up Saturday and Sunday but shower chances are minimal and sunshine still holds the upper hand. Highs both days are mainly in the mid-70s and overnight lows in the low to mid-50s. Confidence: Medium-High

Monday remains sunny and dry with highs still mainly in the mid-70s. Confidence: Medium-High