The Washington Post

Forecast: Lots of rain through Wednesday, then drying out and warm

9:30 a.m. update: Front is stuck over us which means more clouds and higher rain chances than indicated in original forecast. Not a bad thing since we need the rain. Intermittent showers are likely today, with a chance of some thunder this afternoon. Unless we get some sun, I’d expect highs to be a little cooler than 85-90, maybe more like 80-85.


Today: Partly to mostly cloudy, showers/storms likely. 85-90. | Tonight: Slight chance of showers/storms. 66-72. | Tomorrow: Mostly cloudy, chance of showers and storms. 82-87. | Get Express Forecast by E-mail


Today (Monday): Starting with the good news, no triple digit heat. In fact, most spots should fall short of 90 (although 90 can’t be ruled out somewhere if there’s enough sun). But it’s still a bit humid and the proximity of a front means showers and storms are possible (30-40 percent chance). The best chances (near 50 percent) are south of D.C. The most likely time for storms is during the late afternoon and evening, but storms early in the day can’t be ruled out. Sky cover is partly to mostly cloudy by-and-large. Confidence: Medium

Tonight: Showers and thunderstorms are possible - with the best chance (30-40 percent chance) before 10 p.m. (but possible any time) Lows are in the mid-to-upper 60 to low 70s (downtown) under partly cloudy skies. Confidence: Medium

For related traffic news, check out Dr. Gridlock. Keep reading for the forecast through the weekend...

Tomorrow (Tuesday): Variably cloudy (tending more cloudy than not), with a 50-60 percent chance of showers and storms as possible waves of low pressure ride along a front stalled to our south. Highs reach the mid-80s or so. Confidence: Medium

Tomorrow night: Evening storms are possible - then perhaps a break later at night. Mild, with lows 65-70 (suburbs-city). Confidence: Medium


Wednesday and Thursday may be among the days with the lowest chance of rain, as high pressure tries to dry us out even as the stalled front continues to lurk to our south. I’ll go with just a 20% chance of showers and storms on these days (slightly higher odds to the south of D.C.) with partly sunny skies and highs 83-88, and lows 64-71 (suburbs-city). Confidence: Medium

On Friday into Saturday, the stalled front may try to lift north as a warm front, bringing back the chance of showers and storms (30-40 percent chance), especially Friday afternoon and Friday night - although the timing is subject to change. Highs Friday should be in the 80s and perhaps get back up to near 90 Saturday - when there’s a smaller chance of storms. Confidence: Low-Medium

On Sunday, it’s not clear exactly where the front will be. A warmer, more humid air mass is going to be trying to establish itself. So for now, I’ll call for partly cloudy skies, and highs near 90 with a chance of storms. Definitely check back in the coming days as we try to get a better handle on the late week and weekend forecast. Confidence: Low

Jason is currently the Washington Post’s weather editor. A native Washingtonian, Jason has been a weather enthusiast since age 10.


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