FXUS66 KHNX 070553 AFDHNX Area Forecast Discussion National Weather Service Hanford CA 1053 PM PDT Wed May 6 2026 && .KEY MESSAGES... 1. Warming trend Wednesday into the weekend with high confidence of at least Moderate Heat Risk in the Valley Sunday through Tuesday. 2. Moderate chance for High Heat Risk in the San Joaquin Valley areas. && .DISCUSSION... Mostly clear conditions will prevail into the weekend thanks to the ridge of high pressure sliding in and strengthening. This ridge also brings above average temperatures with Heat Risk becoming an issue Sunday into next week. Sunday presents a 45 to 75 percent chance of at least a Moderate Heat Risk before increasing to 75 to 95 percent on Monday and Tuesday. The 90th percentile high temperatures on Monday is between 104 and 107 in the Valley and 95 to 100 in the foothills. However, temperatures cool down slightly on Tuesday and Wednesday as the ridge weakens and moves east. Also, a trough begins to move closer to California on Wednesday. The CPC goes from a 70 to 80 percent chance of above average temperatures and dry conditions in the 6-10 day outlook to a 50 to 60 percent chance of above average temperatures and a 33 to 40 percent chance of any precipitation in the 8-14 day outlook. && .AVIATION... VFR conditions will prevail for the next 24 hours over Central California. && .FIRE WEATHER... Warming temperatures rising above 100 degrees early next week will result in lowering relative humidities across the region. For Monday and Tuesday, minRHs in the Mojave Desert are expected to fall to 5 to 10 percent, with valley and mountain RHs between 15 and 20 percent. A drop in 100- and 1000-hr fuel moisture will follow, though will remain above critical fire weather territory. Additionally, subsidence from the high pressure ridge will keep winds relatively light across the region. && .AIR QUALITY ISSUES... None. && .CERTAINTY... The level of certainty for days 1 and 2 is high. The level of certainty for days 3 through 7 is medium. Certainty levels include low...medium...and high. Please visit www.weather.gov/hnx/certainty.html for additional information and/or to provide feedback. && .HNX WATCHES/WARNINGS/ADVISORIES... None. && $$ JPK weather.gov/hanford