US National Weather Service Hanford California

09/01/2026

08/30/2026

Smoke from the Plaskett Fire is over much of the San Joaquin Valley this morning, as seen on this satellite loop. Hazy skies will be present through midday with some clearing in the late afternoon. For more information on local air quality, please visit the Valley Air District website at https://www.valleyair.org/

08/29/2026

Pushing the summer heat behind us, a cooling trend into the upcoming week will cause temperatures to fall below season averages by 5 to 10 degrees. By midweek, there is less than a 20 percent probability for valley temperatures to exceed 90 degrees. While these are cooler temperatures, there remains a minor risk for heat-related illnesses to those extremely sensitive to heat.

08/28/2026

10% probability of Dry Lightning across the central valley today. Thus, there is a moderate risk of new fire starts if lightning strikes dry vegetation.

08/28/2026

Moisture from former Tropical Storm Iselle will bring chances for rain today, mainly along the Sierra Nevadas and foothills. The highest probability for rain will be above 2,000 feet, though a 20-30% probability for at least a trace of rain will extend down to the San Joaquin Valley.

08/28/2026

An influx of moisture from Tropical Storm Iselle will bring rain and thunderstorms this Friday⛈️. The best chances of rain are in the foothills and the Sierra Nevada, but there is up to a 20% chance of at least 0.10" of rain in Fresno ☔. Remember that when thunder roars to go indoors!

08/28/2026

Remnants from Tropical Strom Iselle crossing over California today presents a 5-10% probability of thunderstorms across the San Joaquin Valley. Any thunderstorms that develop have a risk of causing lightning strikes away from areas of precipitation, potentially starting new fires.

08/27/2026

Here's the latest rainfall outlook for Friday. A changing weather pattern brough on by remnants of Tropical Storm Iselle will bring cloudy skies, cooler temperatures, and the next regional chances for precipitation.

08/26/2026

The Valley Air District has issued an Air Quality Alert for Merced County from Tuesday morning at 10:30AM through 11:00AM Thursday morning due to smoke from a local fire. Exposure to particle polluction can cause serious health problems; aggrevate lung disease, cause asthma attacks and acutre bronchitis and increase risk of respiratory infections. In people with heart disease, short-term exposure to particle pollution has been liked to heart attacks and arrhythmias accourding to the US Environmental Protection Agency. Children and elderly people are also more susceptible to consequences of high particulate levels. Stay indoors if possible. Avoid prolonged or strenuous outdoor physical activities to reduce the affect of unhealthy air. For current air quality conditions, go to fire.airnow.gov.

08/26/2026

An influx of moisture from Tropical Storm Iselle will bring rain and thunderstorms into the Sierra Nevada and the northern San Joaquin Valley later this week and into the weekend ⛈️! Currently, the best chances of rain are in the foothills and the Sierra Nevada, but there is up to a 10% chance of at least 0.10" of rain in Fresno ☔. Remember that when thunder roars to go indoors!