Published on: March 24, 2008 at 3:00 PM

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Radiational cooling is the story tonight with a clear sky and calm wind. We believe the range will generally be from 25 to 35 degrees by daybreak tomorrow, with the coldest temperatures in the valleys and protected areas. The ridge tops will most likely stay a little above freezing. It is not all that uncommon to have a freeze in late March, even though we are now past the average date of the last freeze (March 23). In fact, April cold snaps are pretty common around here too, and it is really early to think this will be our last chance of sub-freezing weather for the season.

REST OF THE WEEK: A nice warming trend begins tomorrow; we expect highs in the 60s tomorrow, around 70 Thursday, and mid 70s by Thursday and Friday. Moisture will begin to return by Friday, but there is no real forcing and we won’t mention any significant chance of rain at this point.

WEEKEND PEEK: A weakening cold front will drift down in here Saturday, stalling out somewhere near I-20. This will bring a chance of showers on Saturday, and on Sunday mainly for areas along and south of I-20. With the general lack of upper air support, we don’t expect any heavy rain, severe weather, or a wash-out. Just keep in mind a few showers will be popping up.

LONG RANGE: Looking out into voodoo land, the GFS is now showing a strong upper trough/beneficial rain event around April 3, or by the middle part of next week. We could use a good rain event since Birmingham’s rain deficit for 2008 will be over two inches by tomorrow. Lets hope that works out. Seems like something interesting always happens with our weather around April 3 or April 4 every year.

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