A winter storm is expected to bring 2 to 4 inches of snow in some portions of northern Baltimore and Harford counties as well as Frederick, Carroll and Cecil counties through Tuesday afternoon.

National Weather Service forecasters expect rain to change to snow by 8 a.m. Snowfall could be heavy at times midmorning, with visibility reduced to less than one-half mile.

Baltimore, Carroll and Cecil County school systems are closed Tuesday. Harford County announced that its schools would close and students would be given work to complete at home. Howard County public schools are set to open two hours late Tuesday morning.

Baltimore City schools remain open, but the meeting of school board commissioners Tuesday evening will be held virtually. Visit this closings and delays page for more updates.

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A winter weather advisory has been issued for Baltimore City, Baltimore County and surrounding areas west of I-95 until early this afternoon.

Snow will exit the region around lunchtime, leading to partly to mostly cloudy skies and brisk northwesterly winds in the afternoon. Tuesday night will be cold with mostly clear skies and lows around 30 degrees.

Sunshine is expected to make its return to the area for the rest of the week. The coldest day is expected to occur on Valentine’s Day, with sunshine and highs in the mid-40s for Wednesday afternoon. Lows will get back into the mid- to upper 20s Wednesday night, with 30s overnight expected through the rest of the week.

Another storm system will approach the area by the weekend, with a chance for rain and snow showers on Saturday morning. That system will quickly move out of the area, bringing sunshine back to the region for Sunday into early next week.

High temperatures through the weekend will be in the mid- to upper 40s, with lows at night in the upper 20s.

WJZ is a media partner of The Baltimore Banner.