James Spann: Showers early tomorrow, more rain Saturday night for Alabama

James Spann: Another beautiful day for Alabama, but changes are on the way from Alabama NewsCenter on Vimeo.

ACTIVE MARCH PATTERN: This is the month where anything goes, and we will have a series of big weather changes through next week. Today should be the nicest day out of the next seven. While we are cold this morning (Fort Payne dropped to freezing), we warm quickly, and most places will enjoy a high in the mid 70s this afternoon.

TONIGHT/TOMORROW: Clouds move in tonight ahead of a cold front, and a band of showers and storms will pass through North and Central Alabama early tomorrow morning. The Storm Prediction Center has even put far North Alabama in a “marginal” severe weather risk for the pre-dawn hours tomorrow; some of the heavier storms could produce strong, gusty winds and some small hail.

The main window for showers and storms will come from 2 a.m. until 8 a.m. Rain amounts should be fairly light, and the sky should clear with a good chance of sunshine through the midday and afternoon tomorrow. It will be cooler, with highs back in the 60s.

THE ALABAMA WEEKEND: A wave of low pressure forms west of Alabama. Clouds move back into the state Saturday, and we will deal with widespread rain Saturday night. For now it looks like the main chance of rain will come from 4 p.m. Saturday through 8 a.m. Sunday. The air will be cool and stable (temperatures will be in the 40s when the rain falls Saturday night), so there is no chance of severe weather, and rain amounts will be in the one-half to 1-inch range.

Prior to the rain, the high Saturday will be in the 57- to 60-degree range as cooler air slips in from the north. Then, after the rain Sunday, even colder air arrives, and many communities won’t get out of the 40s with a chilly north wind.

TO THE NORTH: Snow is likely in the colder air over Tennessee Saturday night; some accumulation is possible, generally in the 1- to 2-inch range. And, yes, some snow/sleet/freezing rain could creep southward into extreme North Alabama early Sunday morning. With a warm ground, I would say the chance of accumulation over the Tennessee Valley is small, although a dusting is possible across higher elevations. Overall, for now a big impact in the North Alabama counties is not expected.

NEXT WEEK: The first half of the week will feature temperatures well below average. A clipper will pull down a new surge of cold air Tuesday, and we might even see a few snow flurries over the northern quarter of the state Monday night and Tuesday morning, but no impact is expected. The high Tuesday will be in the 40s, and there is a good chance we see lows down in the 20s early Wednesday morning. We will have a warming trend Thursday and Friday, and some rain is possible before the week is over.

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