From the National Weather Service, Norman Forecast Office:
“Precipitation chances will increase Friday night as a low pressure system approaches the area.
Mainly freezing rain can be expected across northern Oklahoma where some ice accumulation
is possible, while rain and even thunderstorms can be expected across the rest of
Oklahoma and western north Texas.
“Precipitation will continue on Saturday when it will be most widespread.
Northern Oklahoma will have the best chances for freezing rain, mainly during
the morning hours, before changing over to rain. Mainly rain and even
some thunderstorms can be expected across much of Oklahoma and western north Texas.
“Precipitation will generally change to snow across much of the area Saturday night,
except for southeast Oklahoma where rain can be expected. Some snow
accumulation is likely across northwest Oklahoma.
“Precipitation will end southwest to northeast on Sunday. Snow will likely be
the most dominant precipitation type, though rain is possible across parts of
southeastern Oklahoma. Cold conditions can be expected with highs in the 30s and 40s.”