RIVERTON – One more day of afternoon thunderstorms across Wyoming today as a result of low level moisture from the east and instability above. Storms will occur over the central and north parts. A low pressure system will move onshore in the Pacific Northwest Wednesday pushing a cold front across the Cowboy State late Wednesday into Thursday. There will be increased wildfire risk for Wednesday and Thursday as a result of increasing winds and the warm dry air that will accompany the frontal passage.