The National Weather Service has issued a winter storm warning in effect from 5 p.m. today to 1 p.m. Tuesday.

Heavy snow is expected, with total snow accumulations of 5 to 8 inches.

Travel could be very difficult. The hazardous conditions could impact this evening’s commute and also the Tuesday morning commute.

Snowfall rates should reach around an inch per hour tonight. The highest snowfall totals should be at locations above 1500 feet in elevation. Some sleet may also mix in at times for portions of the area.

Here is the latest forecast:

Today: A slight chance of rain between 4 p.m. and 5 p.m., then a chance of rain and snow. Increasing clouds, with a high near 38. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.

Tonight: Rain, snow, and sleet before 1 a.m., then sleet between 1 a.m. and 2 a.m., then snow after 2 a.m. The snow could be heavy at times. Low around 30. East wind 10 to 15 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 3 to 7 inches possible.

Tuesday: Snow likely, possibly mixing with rain after 10 a.m., then gradually ending. Cloudy, with a high near 37. East wind 5 to 10 mph becoming light and variable in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Tuesday Night: Mostly clear, with a low around 21. North wind around 5 mph.

Wednesday: Mostly sunny, with a high near 46. North wind 5 to 10 mph becoming south in the afternoon.

Wednesday Night: A chance of showers, mainly after 1 a.m. Mostly cloudy, with a low around 35. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Thursday: A chance of showers before 1 p.m. Partly sunny, with a high near 55. Chance of precipitation is 30%.

Thursday Night: A chance of snow and sleet after 1 a.m. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

Friday: Snow likely, possibly mixed with sleet before 1 p.m., then rain and snow, possibly mixed with sleet. High near 40. Chance of precipitation is 90%.

Friday Night: Snow likely, mainly before 1 a.m. Mostly cloudy, with a low around 28. Breezy. Chance of precipitation is 60%.

Saturday: Partly sunny, with a high near 40.

Saturday Night: Mostly cloudy, with a low around 24.

Sunday: Mostly sunny, with a high near 40.