D.C. area forecast: Lots of sun and increased warmth

EXPRESS FORECAST

Today: Mostly sunny. Isolated afternoon shower or t’shower? Upper 80s to near 90. | Tonight: Slight chance of a shower, clearing. Low 60s to near 70. | Tomorrow: Mostly sunny. Isolated afternoon shower or t’shower? Upper 80s to low 90s. | A Look Ahead | Get Express Forecast by E-mail


FORECAST IN DETAIL


Today (Thursday): There may be a touch of fog in a few spots for any early risers, particularly sheltered areas that saw rain last evening. Other than that, expect lots of morning sun, perhaps becoming dotted with growing afternoon clouds. Highs head mainly for the upper 80s, though some spots might hit 90. Shower or thundershower odds appear less than recent days, but it’s hard to rule out some pop up activity so we’ll keep that 20% late-day chance going. Confidence: Medium-High

Tonight: Any isolated showers or thundershowers wane as we lose the sun’s heat, and skies end up partly to mostly clear through the overnight. Crickets will be chirping loudly as temperatures bottom out in the low 60s to near 70, suburbs to city. Confidence: Medium-High

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

Tomorrow (Friday): We finish off the work week with lots of sun and a stronger taste of summer. Temperatures are a notch higher, with high in the upper 80s to low 90s. Might as well make that push to and past 50 days 90+ in D.C., right? Shower or storm chances are remote during the day, but not zero. Confidence: Medium-High

Tomorrow night: A line of showers or storms may approach during the evening from the west, though it’s no more than a slight risk for now and they wouldn’t likely be too impressive. Otherwise, partly cloud skies lead to lows mainly in the 60s, though nearer 70 downtown. Confidence: Medium-High

A LOOK AHEAD

Saturday and Sunday should keep our stretch of mainly sunny days going. Clouds don’t appear too numerous either day, though I’m more confident in a quality Saturday, as it should be mostly sunny and probably rain free. Highs range from the mid-80s to near 90, with overnight lows in the 60s to near 70 downtown. Sunday looks similar, but there’s a chance a few showers might try to work in during the day, which would introduce more clouds and perhaps lower temperatures — say, mid-80s. If not, highs are about the same as Saturday. Confidence: Medium

By Monday, most eyes will probably be squarely on the southern United States as Isaac is expected to be getting closer to potential landfall. Around here, we should still be dealing with mainly calm conditions. Highs likely rise to a range in the mid-80s to near 90 under partly to mostly sunny skies. Confidence: Medium

Ian Livingston is a forecaster/photographer and information lead for the Capital Weather Gang. By day, Ian is a defense and national security researcher at a D.C. think tank.

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