Today is forecast to be Much Cooler than yesterday.
Nowcast as of 12:19 PM CDT on March 20, 2010
Now
At noon...surface observations indicated temperatures of 32 degrees and below west of a line from Wichita Falls...to Tishomingo...to McAlester. Strong and gusty north winds were producing wind chill values around 10 degrees above zero across northwest Oklahoma to the middle 20s near Lake Texoma. Through 1 PM...much of central and southern Oklahoma will see only occasional moderate snow as the relatively dry center of a storm system tracks east. A few bands of brief heavy snow are still possible in this area. Snow is expected to persist across much of northern Oklahoma southwest into western Oklahoma and western North Texas...with snow expected to start again in central Oklahoma later this afternoon. Many roadways from northern into western Oklahoma being slick and hazardous. North wind speeds will average from 25 to 30 mph...with a few gusts over 40 mph. In areas such as the Wichita Mountains where terrain enhances wind speeds...gusts to 50 mph and greater will occur.
Forecast for Pottawatomie
Updated: 11:56 am CDT on March 20, 2010
Winter Storm Warning in effect until 7 PM CDT Sunday...
Rest of Today
Snow. Areas of blowing snow. Much colder. Highs in the lower 30s. North winds 20 to 25 mph.
... Winter Storm Warning remains in effect until 7 PM CDT Sunday...
A Winter Storm Warning remains in effect until 7 PM CDT Sunday for most of north central... central... and eastern Oklahoma.
* Timing: from now through Sunday morning.
* Main impact: heavy snowfall and blustery winds of near 30 mph with gusts around 45 mph. Blizzard conditions may occur... resulting in a very dangerous situation. Snow accumulation of at least 4 inches is expected in many areas from near Interstate 40 northward. It is likely that 6 to 10 inches of snow will fall in some areas north through east of Oklahoma City. Local amounts up to 12 inches will be possible. Blowing and drifting snow may result in drifts of 1 to 3 feet in some areas.
* Other impacts: wind chill temperatures will fall into the teens.
Precautionary/preparedness actions...
A Winter Storm Warning means significant amounts of snow are expected... as well as strong winds creating near-blizzard conditions.