Temperatures again fell to the single digits early Wednesday morning in the Baltimore area before reaching the mid- to upper-20s in the afternoon.

Baltimore-Washington International Thurgood Marshall Airport dropped to 6 degrees, two degrees shy of a third record within two days. It was the fifth time in six days BWI hit single digits.

Winds were forecast to be calm, with mostly clear skies, keeping wind chills less severe than they were on Tuesday. Clouds were expected to increase by the afternoon.

Temperatures were expected to remain in the 20s through Wednesday night and into Thursday morning, warmer than the previous two nights but still just around the norm for this time of year.

The relative moderation in temperatures prompted PJM Interconnection, operator of the region's electricity grid, to end calls for power conservation PJM broke its record for peak winter electricity use twice on Tuesday, reaching 141,312 megawatts in the evening, up from the previous peak of 136,675 megawatts in 2007. One megawatt powers about 1,000 homes.

Seasonable temperatures are forecast to continue Thursday and Friday, with highs in the upper 30s and lower 40s and lows in the upper 20s to lower 30s.

A chance for a wintry mix and/or rain could pass through overnight Thursday into Friday.

Highs were expected to rise to the lower 50s for the weekend, with a 50 percent chance for showers Saturday and lows in the 30s and 40s.