North American 500 mb height (colors) and surface pressure (solid lines) this morning from Unisys
Tonight and TomorrowUnder cloudy skies tonight, lows will range from near 40 city to upper 30s 'burbs. Clouds will continue tomorrow with highs in the upper 40s, a couple of degrees warmer if more sun breaks through. There is a 30% chance of light showers tonight, 50% tomorrow.
March WindsThe month so far has lived up to March's reputation as the windiest month, but the overall average of 11.5 mph is only slightly higher than the long-term average of 11.1. The peak gust of 45 mph on the 15th is less than the 52 mph recorded in 2002. The maximum 2-minute wind of 36 mph (not shown) was also exceeded in 2002.
CapitalClimate chart from NWS data, photo © Kevin Ambrose