Version:  Current  |  Back 1  |  Back 2  |  Back 3  |  Back 4  |  Back 5  |
Hydrometeorological Discussion
National Weather Service / California Nevada RFC / Sacramento CA
1255 PM PST Thu Jan 22 2026

...SCATTERED SHOWERS OVER CNTRL/SRN CA TODAY/FRI AS A LOW MOVES BY 
OFFSHORE AND OVER NV FRI AS A TROUGH DROPS IN...
...DRY CONDITIONS RETURN LATER SAT THROUGH EARLY NEXT WEEK AS HIGH 
PRESSURE BUILDS OFFSHORE, NEXT POTENTIAL SYSTEM MID-WEEK...

.METEOROLOGICAL CONDITIONS (THU PM - WED AM)...

An upper low continues to travel to the south offshore of srn CA 
this afternoon. Radar shows areas of precip rotating into srn CA 
near Orange County inland and northward over the Big Sur coast this 
afternoon. Observations since this morning report amounts generally 
less than 0.10" with a couple isolated areas just over 0.10". 
Forecast overall remains on track for showers to continue through 
tomorrow across srn CA as the low passes diminishing into Saturday 
as it moves inland over Baja. A trough descending into NV and 
eastern CA may produce a few showers over NV into Saturday before 
dry conditions return the rest of this weekend thanks to building 
high pressure over the eastern Pacific.

Models continue to predict a frontal system arriving mid next week 
but disagreements remain on the general structure and timing. A wide 
range of solutions exists in the model ensembles, but most agree on 
at least some precip over nrn CA late Tuesday/Wednesday. Most of 
this precip looks to fall after the current forecast window. 
Therefore, minimal changes to the afternoon QPF though amounts went 
down a bit over srn CA over the next couple of days. Expecting 0.10" 
or less in general from both systems with isolated areas up to 0.25".