UPDATE: Oklahoma County is among 28 included in a tornado watch issued Saturday afternoon.
The tornado watch, issued by National Weather Service in Norman, covers most of central and western Oklahoma and is in effect until 9 p.m.
Other counties included in the watch: Alfalfa, Blaine, Caddo, Canadian, Cleveland, Comanche, Cotton, Custer, Dewey, Garfield, Garvin, Grady, Grant, Greer, Jackson, Jefferson, Kay, Kingfisher, Kiowa, Logan, Major, McClain, Noble, Stephens, Tillman, Washita and Woods.
Radar indicated a cluster of showers and thunderstorms extending from Lawton to Chandler. The risk of strong to severe thunderstorms will increase by late afternoon, according to the service.
9:30 a.m.: A late morning rain kicked off what could be a nasty day of weather in central Oklahoma.
Lightning and wind preceded a moderate rainfall that started just after 9 a.m., but the greatest concern for severe weather will come later in the day.
Strong and possibly severe thunderstorms could roll into the region by early afternoon, but chances for severe storms will pick up later in the afternoon and early evening, according to the National Weather Service in Norman.
Frequent lightning, hail and wind gusts — possibly in excess of 70 mph — are possible as the storm rolls in. There is a chance for tornadoes as well, according to the service.
High for the day is forecast at 82 degrees; the low should be around 53 degrees. Chance of precipitation is 80 percent.
Quiet weather is on tap from Sunday through the middle of next week, with another chance of thunderstorms late on Wednesday.
Sunday: Sunny, with a high near 81. North northwest wind 9 to 15 mph, with gusts as high as 21 mph.
Sunday Night: Mostly clear, with a low around 53. North northwest wind 5 to 7 mph becoming west after midnight.
Monday: Sunny, with a high near 83. West wind 6 to 8 mph becoming south in the afternoon.
Monday: Night Mostly clear, with a low around 54.
Tuesday: Sunny, with a high near 83.
Tuesday Night: Partly cloudy, with a low around 57.
Wednesday: Mostly sunny, with a high near 79.
Wednesday Night: Partly cloudy, with a low around 50.
Thursday: Sunny, with a high near 69.
Thursday Night: Mostly clear, with a low around 46.
Friday: Sunny, with a high near 73.