811 NZUS99 KBOI 201530 TXTSFD Idaho State Forecast Discussion National Weather Service Boise ID 930 AM MDT Mon May 20 2024 Precipitation chances and cooler temperatures statewide continue today as a low pressure systems move through the state. There is also a slight chance of thunderstorms this afternoon. The best chance for precipitation and even cooler temperatures will arrive Wednesday and last into Friday as a stronger upper level system moves into the Pacific Northwest. Moderate precipitation and mountain snow is possible. Yet another low pressure system and accompanying precipitation could arrive by next weekend. Warmer temperatures and dry conditions are anticipated for early next week.