| NWS Forecast for: Upper San Joaquin River Issued by: National Weather Service San Joaquin Valley/Hanford, CA Last Update: 551 PM PDT Sun May 24 2026 | |
| Tonight: Partly cloudy. Slight chance of thunderstorms early in the evening, then slight chance of rain late in the evening. Lows 35 to 47. West winds up to 5 mph with gusts to around 20 mph shifting to the east after midnight. Chance of precipitation 20 percent. Memorial Day: Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 49 to 67. South winds up to 5 mph with gusts to around 20 mph increasing to southwest 10 to 15 mph with gusts to around 30 mph in the afternoon. Monday Night: Partly cloudy. Lows 32 to 44. Southwest winds up to 15 mph with gusts to around 35 mph. Tuesday: Breezy, sunny. Highs 41 to 57. Southwest winds 5 to 15 mph with gusts to around 55 mph increasing to 15 to 25 mph with gusts to around 65 mph in the afternoon. Tuesday Night: Colder. Partly cloudy. Lows 24 to 36. Southwest winds 10 to 20 mph with gusts to around 50 mph decreasing to up to 5 mph with gusts to around 25 mph after midnight. Wednesday: Chance of snow and rain in the morning, then snow showers, rain showers and chance of thunderstorms in the afternoon. Moderate snow accumulations. Highs 32 to 48. Chance of precipitation 80 percent. Wednesday Night: Mostly cloudy. Snow showers likely and chance of rain showers in the evening, then chance of snow after midnight. Light snow accumulations. Lows 22 to 34. Chance of precipitation 70 percent. Thursday: Snow showers and rain showers likely in the afternoon. Light snow accumulations. Highs 34 to 50. Chance of precipitation 70 percent. Thursday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 25 to 37. Friday And Friday Night: Warmer. Partly cloudy. Highs 44 to 62. Lows 31 to 43. Saturday And Saturday Night: Mostly clear. Highs 49 to 67. Lows 33 to 45. Sunday: Warmer, sunny. Highs 51 to 69. | |
| Zone Forecast: Upper San Joaquin River | |
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