Accuweather Forecast: Cooling down Cooler conditions today with temperatures in the 40s and 50s to start the morning. We warm up to the upper 70s and low 80s across the Valley. Fresno reaches a high of 80 degrees. Air quality forecast is moderate for the Valley. We see breezy conditions return today. Fresno will see winds 10-15 mph and the Sierras will see winds around 25 mph with gusts up to 40 mph. We stay sunny and dry this week with a slight chance of snow and rain over the high areas of Sierra Crest tomorrow. We cool down a bit tomorrow with a return to the 70s.