Rain to snow expected today, blizzard builds tonight with final totals mapped

Here is the rewritten news article in a neutral newsroom style:

A winter storm is expected to bring rain to snow today, with wet conditions continuing into tonight. According to forecasters, the final total for the storm will be mapped.

Additionally, a weather alert has been issued for Maryland, where a winter storm is developing on Sunday afternoon. The National Weather Service has issued winter storm warnings and advisories across the DMV region.

In Washington D.C., a state of preparedness has been declared ahead of the snowstorm. Residents are advised to take necessary precautions.

A separate weather alert has also been issued for Arlington, where a winter weather advisory is in effect.

Source: Google News World