(March 20, 2010)—The first full day of spring started with early-morning showers and thunderstorms in Central Texas as a strong cold front moved through, dropping temperatures and producing gusty winds that will make it feel even colder outside.

North of the Interstate 20 corridor, there’s a chance of snow beginning Saturday afternoon, and heavy snowfall is possible north of the Red River.

Temperatures will drop to near freezing across the region overnight.

A wind advisory is in effect from 1 p.m. until 10 p.m. Saturday for Mills, Hamilton, Bosque, Hill, Navarro, Lampasas, Coryell, Bell, McLennan, Falls, Limestone, Milam and Robertson Counties.

Wind gusts of up to 40 miles per hour are possible.

Gusty winds are possible overnight and on Sunday.

To the north of the region, a winter weather advisory is in effect until 7 a.m. Sunday.

Forecasters expect snow to develop later Saturday and Saturday night across the northern portions of North Texas with accumulations of as much as 3 inches along the red river and isolated heavier amounts farther south.

Reduced visibility may also be a problem because of blowing snow, forecasters said.

A winter storm warning and winter weather advisory are in effect through Sunday afternoon for portions of extreme northeast Texas, southeastern Oklahoma and southwestern Arkansas.

In Oklahoma, forecasters expect blizzard conditions Saturday.

This weekend's men's and women's NCAA tournament games in Oklahoma City and Norman were expected to be played, as scheduled, but officials said the storm could affect attendance.

The National Weather Service says as much as 10 inches of snow is possible for Oklahoma and 6 to 12 inches of snow is possible for parts of Kansas.

Oklahoma Gov. Brad Henry declared a state of emergency for all 77 of Oklahoma's counties on Friday and state officials were urging residents to stay off the road if possible.

In deep South Texas, there’s an increased risk of wildfires Saturday.

A gale warning is in effect until 10 a.m. Sunday for coastal waters of Texas out 20-60 nautical miles from Port Mansfield to the Rio Grande and from Baffin Bay to Port Mansfield.