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Tintown, Arizona Weather Forecast Discussion

037
FXUS65 KTWC 052054
AFDTWC

Area Forecast Discussion National Weather Service Tucson AZ 154 PM MST Sun Oct 5 2025

.SYNOPSIS...High temperatures remain near normal today, then will see a warming trend through the upcoming work week. Slight chances for precipitation arrive by late in the week.

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.DISCUSSION...Troughing is in place over the western U.S. with a broad area of high pressure extending from Texas into the Atlantic. The trough will stay in place through early Tuesday then flattens out and moves eastward. At the same time the high will move westward becoming centered somewhere over Texas by the middle of the week. This will result in seasonal temperatures today then a warmup through the work week thanks to the proximity of the ridge. Starting Monday highs will be 4-8 degrees above normal into the start of next weekend.

In the tropics tropical storm Priscilla is about 480 miles south of Cabo and is expected to move north northwest over the next few days off the west coast of Baja California. After Wednesday there is considerable uncertainty with its track (whether it stays out to sea or turns east towards Baja California), but high confidence that southerly mid-level winds will advect tropical moisture into southern Arizona starting as early as Wednesday. PWAT values are expected to be around 200 percent of normal Thursday into the weekend. Meanwhile in the upper levels high pressure becomes centered over northern Mexico and a closed low will be over the Pacific Northwest. Ensembles have brought the low a little further south Friday and Saturday compared to 24 hours ago, but still lots of uncertainty with its placement. Because of the uncertainty in synoptic scale forcing PoPs are generally 20-35 percent Friday into Saturday with the best chances in the mountains. Ensembles hint that early next week could have better chances as another trough potentially takes a more southerly route. Ensembles also keep the anomalous moisture in place through the first part of next week.

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.AVIATION...Valid through 07/00Z. SKC through the period. Surface winds will be southwesterly 10-15 knots with gusts 20 to 30 knots through 06/02Z, mainly in southern locations including KOLS-KDUG-KALK. Lighter 8-13 knot winds to the north including KTUS and KSAD. Overnight winds will be variable less than 8 kts becoming southwest 5-10 kts Monday afternon. Aviation discussion not updated for TAF amendments.

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.FIRE WEATHER...Minimum relative humidities mainly 12-20 percent through Tuesday. Breezy winds of 12-18 mph with gusts to 30 mph mainly through Santa Cruz and southern Cochise counties, with lighter winds to the north today. Winds mainly on the lighter side to start the work week, with potentially gusty southeasterly winds in the Gila River Valley Wednesday. A push of moisture should begin to bring up minimum relative humidities through the second half of the week, however rain chances remain low through the remainder of the work week becoming 15-30 percent next weekend.

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.TWC WATCHES/WARNINGS/ADVISORIES... None. &&

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Hardin

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NWS TWC Office Area Forecast Discussion

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