TULSA - Mother Nature has come down hard on the Sooner state. How are the roads? We're monitoring the conditions and bringing you constant updates.
2:45 p.m. - Plows have been busy, and most arterial roads in the metro area have at least one lane fairly clear. Slick conditions with snow pack, slush, and some ice remain on side streets and in neighborhoods. Highway conditions are mixed; travel north of Tulsa is heavily discouraged.
11:03 a.m. - Crews are plowing one lane in each direction on the highways, focusing their efforts on highly-traveled areas.
9:29 a.m. - 69 of the 77 counties in Oklahoma have roads that the Department of Public Safety is calling slick and hazardous.
8:51 a.m. - Cars and semis moving steadily on I-44.
8:22 a.m. - John Janzen with Mayes Co. Emergency Management says the roads are getting worse as the day goes on. He says they're having trouble getting crews to the barns to get their supplies because of the amount of snow they've gotten.
7:55 a.m. - Bob Anderson with Rogers Co. Emergency Management says visibility is about a quarter mile. Says crews are doing what they can and advises residents who don't need to get out to stay off the roads.
7:02 a.m. - Traffic moving fairly quickly on I-44 near 21st.
6:19 a.m. - Road crews around Tulsa are plowing. Will salt and sand later. They have about 50 trucks, plus hired contract workers out on Tulsa streets.
5:52 a.m. - City of Broken Arrow reports travel conditions have deteriorated overnight.
5:16 a.m. - Oklahoma Department of Transportation is reporting in the north central and northeastern part of the state, strong winds along with heavy snow have created conditions with limited or no visibility. Highways throughout the area are snow packed with drifting in some spots. Only one lane in each direction is passable on most Tulsa highways. Travel is strongly discouraged.
5:06 a.m. - 21st and I-44 visibility is "virtually nothing," that according to Lt. George Brown with Oklahoma Highway Patrol.
4:45 a.m. - I-44 eastbound near Hard Rock Casino, snow blowing really hard producing almost complete white-out conditions.
4:41 a.m. - Kary Cox with Washington County Emergency Management says winds are picking up and Washington County roads are seeing some drifting.
4:37 a.m. - Department of Public Safety reports Tulsa, Creek, and Okmulgee county roads are snow packed and slick and hazardous.
3:59 a.m. - Tulsa, Rogers, Wagoner, Muskogee, Okmulgee, and Creek counties roads are categorized as slick and hazardous.
2:53 a.m. - Department of Public Safety is categorizing 20 counties in norhtwest and north central OK as having roads slick and hazardous, including Osage and Pawnee. Tulsa and surrounding counties are categorized as having roads being slick in spots.
2:09 a.m. - Photojournalist Patrick Fitzgibbon reports roads in midtown are getting covered in snow. He says he's seen crews out on the roads doing what they can. Also says there's not much traffic out, less than he normally sees at this time during his shift.
1:38 a.m. - Department of Public Safety is reporting counties in the panhandle and far western OK counties have roads that are categorized as slick and hazardous.
12:56 a.m. - Fitzgibbon reports snow coming down in bigger flakes than earlier in the evening. 11th Street from Peoria to Harvard is nearly covered with snow. Traffic doesn't seem to have slowed much.
11:20 p.m. - Fitzgibbon reports snow is accumulating on 21st near Riverside and Denver Avenue. He also says road crews are restocking supplies and fuel at the West Yard. Fitzgibbon says visibility is becoming an issue.
11:04 p.m. - Fitzgibbon reports crews working near St. John Hospital clearing piled ice and snow form the side of the roadways. 21st and Utica area not too slick.