ZCZC SPCSWOD48 ALL ACUS48 KWNS 100854 SPC AC 100854 Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0354 AM CDT Mon Aug 10 2026 Valid 131200Z - 181200Z ...DISCUSSION... At the surface, a moist axis is forecast to remain in place from the central Plains east-southeastward into the lower Ohio Valley. Moderate to strong instability along the moist axis will make isolated severe thunderstorms possible each afternoon and evening. Additional severe storms may develop along an axis of moderate instability over parts of the central Plains in the afternoon and evening. Ahead of the front, surface dewpoints in the 70s F along with moderate to strong instability would likely support an isolated severe threat.