AccuWeather Channel

Local Forecast Discussion

Valentine's Day (Today): Bitterly cold despite plenty of sunshine; extreme cold can be dangerous in the morning. High: 17

Tonight: Bitterly cold with increasing cloudiness. Low: 4

Presidents' Day (Monday): Not as cold with snow arrive late morning. snow changes over to ice and continues at night. High: 30 Low: 29 (temps rising overnight)

Another COLD and WINDY day as an arctic high pressure builds in. That does mean that we will see plenty of sunshine for your Valentine's Day afternoon but it won't be enough to warm up those temperatures. High temperatures this afternoon will be in the teens but with the breeze, it will feel even colder. Do bundle up if you will be outdoors. It doesn't take long for the cold to cause damage to exposed skin.

Tonight, temperatures down to the single digits with cloud cover increasing overnight as we track a storm system for Monday and Tuesday. This system will bring snow, ice and rain to the area.

So for Monday, not as cold, but it will still be below average and below freezing as highs top out around 30 degrees. The snow associated with that system can start as early as late morning. Looks like the snow will continue through the day and at this point, accumulations of 1-3" are possible Monday night before the temperatures rise and snow transitions into a period of ice before changing over to rain for Tuesday. We also have to watch for higher snow amounts north and west of the Lehigh Valley/Berks area because the changeover to ice then rain may happen later.

With the changeover to rain, there is the potential for some flooding concerns. The concern comes from the 1-3" of possible accumulated snow melting as temperatures warm with this system. The rain coming down heavy at times and rainfall amounts. Also the ground has been frozen solid (we have been below freezing for about 4 days already), so water will have a hard time filtering through.

With all of this said, the exact track of this system will determine the precip type and the changeover times. A track farther east would be colder air and more snow/ice before changing to rain. And a track farther west would be a much faster change to rain as milder air gets wrapped in quicker. We are confident that any precip that falls on Monday will be snow.

However, the cold air finally eases up and Tuesday's high temperatures will be close to 50 degrees! And the rest of the week will hold temperatures at or above average.

Continue to stay tuned today and on Monday for the very latest. Stay warm! 

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