(UPDATED at 12:50 p.m. MT, August 6, 2015)
The National Weather Service has issued Red Flag Warnings or Fire Weather Watches for areas in California, Nevada, Oregon, and Wyoming. Along the central California coast dry lightning is in the forecast for Thursday and into Friday morning. Thursday evening portions of the Sierras in California could see thunderstorms with little or no rain, northwestern California and south-central Oregon should expect thunderstorms with strong winds on Friday, while there is a Red Flag Warning in parts of Wyoming on Thursday for low humidities and gusty winds.
The map was current as of noon MDT on Thursday. Red Flag Warnings can change throughout the day as the National Weather Service offices around the country update and revise their forecasts and maps. For the most current data visit this NWS site or this NWS site.