Area Forecast Discussion
Issued by NWS Sacramento, CA
Issued by NWS Sacramento, CA
745 FXUS66 KSTO 060949 AFDSTO Area Forecast Discussion National Weather Service Sacramento CA 249 AM PDT Sun Apr 6 2025 .Discussion... .Synopsis... A weak system will bring light precipitation to interior Northern California late this afternoon into Monday, mainly over the foothills and mountains north of I-80. This will be followed by dry conditions and increasingly warm temperatures. .Key Messages... * Chances for Valley Highs > 75 Degrees: 70-100% chance across the Valley on Sunday. * Sunday PM - Monday: A weak system will bring clouds and light precipitation to areas north of I-80, especially over the foothills and mountains. 24-Hour Probability of precipitation amounts > 0.25" (Sunday-Monday): 30-70% across the mountains, foothills, and northern Sacramento Valley. * Elsewhere, quiet and warm conditions expected. * Snow levels will be high (above 7000 feet), with just a dusting to an inch of snow over highest peaks. * Slight chance of thunderstorms (10-20%) in the northern Sacramento Valley and adjacent foothills Monday afternoon and evening. * Mild and warmer conditions Tuesday into late next week. * A weak system brings the potential for light precipitation next weekend, but confidence is low at this point. .Changes from previous forecast... * Precipitation amounts have decreased further for Sunday PM- Monday. * Next weekend: 48-Hour Probability of precipitation amounts > 0.25" (15-25% across the mountains, foothills and northern Sacramento Valley) && ..AVIATION... VFR conditions expected next 24 hours at TAF sites. Light winds in the early morning becoming generally south to west winds up 12 kts after 20z Sunday through 12z Monday outside of periods of gusty winds across the northeastern foothills around 15 to 25 kts. The Northern San Joaquin Valley will see winds shift towards the north after 00z Monday. && .STO WATCHES/WARNINGS/ADVISORIES... None. && $$