Area forecast discussion National Weather Service Tulsa OK 1223 PM CDT Sat may 25 2013 ... Aviation... concerning taf sites ktul/krvs/kbvo/kmlc/kxna/kfyv/kfsm. Isolated shower/thunderstorms possible at kmlc/kfsm the remainder of the afternoon as weak upper disturbance lifts north. Mostly VFR conditions...although could see MVFR ceilings develop toward sunrise Sunday. Additional showers/thunderstorms possible later tonight...especially in southeast OK and northwest Arkansas. && Previous discussion... /issued 1053 am CDT Sat may 25 2013/ ... Discussion... weak upper disturbance was lifting slowly north this morning across northern Texas...with a modest increase in showers noted across southern OK. Best chances for convection this afternoon will be over southeast OK...and current probability of precipitation look good for now. Tweaked sky cover some...otherwise forecast is in good shape. && Preliminary point temps/pops... tul 68 85 70 86 / 10 20 10 10 fsm 65 86 65 87 / 20 20 10 0 mlc 66 84 67 84 / 10 10 0 0 bvo 65 85 66 86 / 10 20 10 10 fyv 61 81 63 83 / 10 20 20 10 byv 61 80 62 82 / 10 30 20 10 mko 64 84 65 85 / 10 20 10 10 Mio 63 84 65 86 / 10 30 20 10 f10 66 84 66 85 / 10 10 10 0 hhw 66 85 65 86 / 20 10 10 0 && Tsa watches/warnings/advisories... OK...none. Arkansas...none. && $$ Aviation...18