| NWS Forecast for: Upper San Joaquin River Issued by: National Weather Service San Joaquin Valley/Hanford, CA Last Update: 310 PM PDT Sun Oct 18 2026 |  |
| Tonight: Mostly clear. Lows 30 to 42. South winds up to 10 mph. Monday: Mostly sunny. Highs 44 to 60. South winds up to 10 mph shifting to the southwest in the afternoon. Gusts up to 30 mph. Monday Night: Mostly clear. Lows 28 to 40. South winds 5 to 10 mph with gusts to around 30 mph. Tuesday: Mostly sunny. Highs 41 to 57. South winds 5 to 15 mph with gusts to around 30 mph. Tuesday Night: Mostly cloudy. Chance of snow and rain after midnight. Lows 29 to 39. Southeast winds up to 10 mph shifting to the east after midnight. Chance of precipitation 50 percent. Wednesday: Chance of snow and rain in the morning, then snow showers and rain showers likely in the afternoon. Light snow accumulations. Highs 35 to 51. Chance of precipitation 70 percent. Wednesday Night: Colder. Snow showers and rain showers in the evening, then snow and rain after midnight. Moderate snow accumulations. Lows 24 to 36. Chance of precipitation 90 percent. Thursday: Snow likely and chance of rain in the morning, then rain showers with snow showers likely in the afternoon. Light snow accumulations. Highs 31 to 45. Chance of precipitation 80 percent. Thursday Night: Mostly cloudy with chance of snow and rain in the evening, then partly cloudy after midnight. Lows 21 to 33. Chance of precipitation 40 percent. Friday Through Sunday: Mostly clear. Highs 35 to 54. Lows 22 to 35. | |
| Zone Forecast: Upper San Joaquin River | |
Visit your local NWS office at: https://www.weather.gov/hnx |