NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION. Privacy and Cookie policy

FXUS65 KTWC 010950 AFDTWC

Area Forecast Discussion National Weather Service Tucson AZ 250 AM MST Fri Dec 1 2023

SYNOPSIS
A slow moving weather system will bring scattered rain and mountain snow showers to the area into tonight. This will be followed by cold overnight temperatures this weekend into Monday. It will be dry next week and becoming much warmer by midweek.

DISCUSSION
Scattered light valley rain and mountain snow showers since late last night have been occurring mostly north of a Sells to Tucson to Clifton line. Rainfall amounts have mostly been less than a tenth of an inch with localized amounts up to a quarter of an inch across parts of Pinal county. No snow reports have been called into the office as of this writing but some of the mountain cameras show some minor accumulation. Scattered showers will continue today into tonight before ending from west to east. Maintained the Winter Weather Advisory above 6500 ft until early Saturday morning for the mountains of Graham and Greenlee counties. Depending on how fast clouds clear up tonight into Saturday morning, could see some patchy fog develop, especially across eastern Pinal county.

Colder air mass settles in over the weekend with cold overnight lows with Sunday morning the coldest. As the previous discussion mentioned, it still appears that a few of the outlying areas of the Tucson metro and the colder areas in southeast Pinal county may approach freezing Sunday morning.

High pressure next week will bring warmer temperatures with highs Tue thru Fri running, depending on location, 6 to 12 degrees above early December climo.

AVIATION
Valid through 02/12z.
BKN-SCT 7-10K ft MSL with BKN-OVC layers ABV. ISOLD to SCT -SHRA and mountain SHSN. MTNS partially to mostly obscured at times in clouds and also due to SHRA/SHSN AFT until about 02/04Z. Conds imprvg from W-E during 2nd half of valid pd. W-SW SFC winds 5-12 kts then increasing to 10-17 kts aft 01/18Z. Aviation discussion not updated for TAF amendments.

FIRE WEATHER
A slow moving storm system will bring scattered rain and mountain snow showers into tonight. Snow will be confined to elevations above about 6,000 ft. Dry Saturday onward with cold overnight temperatures through Monday then becoming much warmer than normal by the middle of next week. Winds generally light, less than 15 mph sustained, with a bit of afternoon gustiness at times well into next week.

TWC WATCHES/WARNINGS/ADVISORIES
Winter Weather Advisory until 5 AM MST Saturday for AZZ510-511.

toggle option: (graph/table)

Full Color Weather Map

Link to Loop


Other links: GEOS-West     Contential US     Full GOES-East

Tucson, AZ,