Even though the "meteorological spring" has officially begun, a winter storm is poised to strike a great portion of the central and eastern United States, including Oklahoma. In addition to the winter weather will be bitterly cold temperatures with biting wind chills through the start of the work week. So find that winter coat, the gloves, and anything else to keep warm; you're going to need them!
PANHANDLE: For tonight, snow showers are likely across the area with a 60 percent chance in place. Expect cold lows in the upper-single-digits to low-teens. With a northeast wind blowing at 15 mph and gusting at up to 20 mph, wind chill values as low as -10 degrees can be expected. For Sunday, periods of snow showers will continue throughout the day with a high only in the low-to-mid-teens. A north to northeast wind will continue to blow between 10 and 15 mph, with gusts up to 20 mph, creating negative wind chill values that may be as low as -10 degrees, especially in the early morning hours. All precipitation should end by Sunday evening, with Sunday night being mostly cloudy with lows dropping to the mid-to-upper single-digit range. Wind chill values will be as low as -5 degrees as a northeast wind blows between 5 and 10 mph.SNOW ACCUMULATIONS: 2 to 3 inches
ALERTS IN EFFECT: WINTER WEATHER ADVISORY, WIND CHILL ADVISORY
NORTHWEST OKLAHOMA: A 60 percent chance for wintry mix is expected tonight. Before midnight, expect a chance for freezing rain. After midnight, expect a mixture of freezing rain and sleet. Freezing rain and sleet will occur through mid-morning tomorrow before the mixture turns to all snow. For tonight, expect lows in the upper single-digits with a north-northeast wind blowing between 15 and 20 mph and gusting as high as 25 mph, which will create wind chill values as low as -10 degrees. On Sunday, highs will only be in the low-teens. A north to northeast wind will continue to blow between 15 and 20 mph, with gusts as high as 25 mph, creating wind chill values as low as -10 degrees, especially earlier in the day. Snow will continue through Sunday evening before tapering off. Lows Sunday night will be in the low-to-mid-single-digits with wind chill values again as low as -10 degrees as a brisk northerly wind blows between 5 and 15 mph and gusts up to 25 mph.
ICE ACCUMULATIONS: <0.10 inch
SNOW ACCUMULATIONS: 1 to 3 inches
ALERTS IN EFFECT: WINTER WEATHER ADVISORY
SOUTHWEST OKLAHOMA: A chance for freezing rain is possible after midnight tonight, with foggy conditions also sticking around. Temperatures will fall to the mid-20s with a north-northeast wind increasing to 20 to 25 mph in the evening, with gusts up to 35 mph. On Sunday, a 40 to 60 percent chance for a wintry mix of freezing rain and sleet exists across the area, with the bulk of the precipitation occurring during the morning hours, although some may last through the afternoon. The "high" for the day will be early in the morning in the mid-20s, with temperatures falling to the upper-teens by the late afternoon and evening hours. Sunday night will see mostly cloudy skies with temperatures continuing to fall to the upper-single-digits by Monday morning. Wind chill values as low as -5 degrees can be expected with a north wind blowing between 10 and 20 mph and gusting at up to 30 mph.
ICE ACCUMULATIONS: <0.10 inch
SNOW ACCUMULATIONS: Little to none
ALERTS IN EFFECT: WINTER WEATHER ADVISORY
NORTH CENTRAL OKLAHOMA: Light freezing rain is already falling across the area with temperatures well below freezing. Freezing rain will continue to fall before midnight before mixing with sleet after midnight. For Sunday, expect freezing rain and sleet through mid-morning, then a mixture of snow and sleet for the remainder of the morning, then all snow through Sunday evening. Temperatures will remain steady in the mid-teens from tonight through Sunday. Wind chill values will be as low as -5 degrees both tonight and Sunday as a brisk north-northeast wind blows around 20 mph, gusting up to 30 mph. For Sunday night and into Monday morning, lingering snow showers are possible across the region. The low Monday morning will be in the mid-single-digits. Wind chill values will be as low as -10 degrees as a north wind blows between 10 and 20 mph and gusts up to 30 mph.
ICE ACCUMULATIONS: <0.10 inch
SNOW/SLEET ACCUMULATIONS: 1 to 2 inches
ALERTS IN EFFECT: WINTER WEATHER ADVISORY
CENTRAL OKLAHOMA: This region is posing the greatest uncertainly for this winter storm, as dry air in the mid-levels could move into the region by tomorrow and cause only light amounts of precipitation. Should this not happen, the region will receive far more precipitation and more significant accumulations of snow and/or ice. For tonight, expect drizzle and fog to continue through midnight before transitioning to freezing drizzle and freezing fog after midnight, with a chance of freezing rain also possible. For the northern portion of the region, a freezing rain and sleet mixture is likely after midnight. The freezing rain and sleet mixture will become a mixture of sleet and snow Sunday morning and then all snow Sunday afternoon before tapering off Sunday evening. Southern portions of the region will see a freezing rain and sleet mixture through the morning on Sunday then a snow and sleet mixture in the afternoon through evening hours. Lingering snow and sleet is possible across the region through Sunday/Monday midnight before ending. Temperatures across the entire region will be in the mid-to-upper-teens tonight through tomorrow night. A north wind will blow between 15 and 20 mph though tomorrow night with gusts as high as 30 mph. This will create wind chill values as low as -10 degrees, especially Sunday night when the air temperature drops to the mid-single-digit range.
ICE ACCUMULATIONS: <0.10 inch
SNOW/SLEET ACCUMULATIONS: <0.50 inch
ALERTS IN EFFECT: WINTER WEATHER ADVISORY
SOUTH CENTRAL OKLAHOMA: Expect a 50 to 60 percent chance of showers and possibly a thunderstorm after midnight tonight. Lows will fall to the upper-20s to low-30s tonight but then temperatures will continue to fall throughout the day on Sunday to the low-20s by late afternoon. For Sunday, expect a freezing rain and sleet mixture throughout the day with a north wind blowing at around 20 mph, gusting at up to 30 mph. For Sunday night, lows will drop to the mid-teens under mostly cloudy skies.
ICE ACCUMULATIONS: <0.10 inch
SNOW/SLEET ACCUMULATIONS: Little to none
ALERTS IN EFFECT: WINTER WEATHER ADVISORY
ICE ACCUMULATIONS: <0.10 inch
SNOW/SLEET ACCUMULATIONS: 1 to 2 inches
ALERTS IN EFFECT: WINTER STORM WARNING
SOUTHEAST OKLAHOMA: First, we will talk about the extreme part of the region. A chance of showers and thunderstorms is possible after midnight tonight with lows only falling to the upper-40s. On Sunday, there exists the chance for SEVERE thunderstorms, especially early in the morning, with some storms producing heavy rain and damaging winds. The temperature will start off in the low-50s but then fall drastically to the mid-30s by the evening hours. With the moisture sticking around, a chance of freezing rain and sleet is possible Sunday night before midnight as temperatures fall below freezing and continue to fall to the low-20s by Monday morning.
Now for the rest of the region. Occasional rain will occur before midnight tonight, then occasional freezing rain is possible after midnight as temperatures fall to the mid-20s. A north wind will increase to 15 to 20 mph later tonight with gusts as high as 25 mph. For Sunday, temperatures will start out in the upper-20s before falling to the low-20s by the evening hours. Freezing rain is possible through mid-afternoon, with occasional sleet occurring after this time. Occasional periods of sleet will last through Monday morning. Lows on Sunday night will fall to the low-teens with wind chill values as cold as -5 degrees as a north wind blows between 15 and 20 mph, with gusts as high as 30 mph.
ICE ACCUMULATIONS: <0.10 inch
SNOW/SLEET ACCUMULATIONS: <1 inch
ALERTS IN EFFECT: WINTER STORM WARNING, ICE STORM WARNING (Choctaw, Pushmataha, Le Flore counties), WINTER WEATHER ADVISORY (McCurtain county)
AC
Forecasts based on the National Weather Service. Please visit NWS Amarillo (OK panhandle), NWS Norman (central/western OK), and NWS Tulsa (eastern OK) for additional up-to-date details.
Additional Sources: OK Mesonet (alerts graphics), Google Images (photo)
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