666
FXUS65 KTWC 050940
AFDTWC

Area Forecast Discussion
National Weather Service Tucson AZ
240 AM MST Fri Dec 5 2025

.SYNOPSIS...Below normal high temperatures will continue through
Friday. A ridge of high pressure begins to shift into the region
Saturday, strengthening through next week. This will result in
dry conditions and high temperatures warming to above seasonable
levels Sunday through next week.

&&

.DISCUSSION...Satellite imagery early this morning showed a bit
more low level clouds than previously forecast which is holding
temperatures up a bit in the freeze warning areas south and east
of Tucson. Freeze warning in effect until 9 am today. Otherwise
highs today, although a few degrees warmer than yesterday, will
still be below normal, up to 5 degrees in the valleys and up to
10 degrees in the mountains.

The area will be on an extended period of dry conditions with a
warming trend that will see highs up to 5 degrees above normal this
weekend and 10 to 12 degrees above normal next week with potential
for a few places near records highs next Friday.

&&

.AVIATION...Valid through 06/12Z.
SCT to lcly BKN 4k to 6k ft AGL S and E of KTUS until 05/16z.
Aft 05/16z, SKC to FEW 10k AGL areawide. SFC winds vrbl less than
10 kts thru 05/18z and then again aft 06/03z. At other times,
WLY/NWLY less than 12 kts. Aviation discussion not updated for TAF
amendments.

&&

.FIRE WEATHER...Dry conditions are expected the next 7 days. After
a chilly to cold morning, highs today will be another cool day with
below normal highs, up to 5 degrees in the valleys and up to 10
degrees in the mountains. Warming trend continues this weekend
where highs will run up to 5 degrees above normal. Much warmer
next week where highs will be 10 to 12 degrees above normal.
20-foot winds will generally be 15 mph or less and terrain driven
through the middle of next week. Minimum RH values in the valleys
will be in the 23-33 percent range today, lowering to 16-26 percent
this weekend through the middle of next week.

&&

.TWC WATCHES/WARNINGS/ADVISORIES...
 Freeze Warning until 9 AM MST this morning for AZZ503-507>509.

&&

$$

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