Severe Weather Outlook
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Severe Weather Watches Overview
Watch data currently updates every 15 minutes.
- Tornado Watch #0688 for Northern and Central Arizona
-
- A few tornadoes possible
- Scattered large hail and isolated very large hail events to 2.5 inches in diameter likely
- Scattered damaging wind gusts to 70 mph possible
- Severe Thunderstorm Watch #0689 for Central and Southern Arizona
-
- Scattered large hail and isolated very large hail events to 2 inches in diameter possible
- Scattered damaging wind gusts to 70 mph possible
- A tornado or two possible
↑ back to the list of watches ↑
Tornado Watch #0688
Locations Affected
Tornado Watch Summary
Thunderstorm coverage is expected to increase across northern and central Arizona this afternoon. Strong vertical shear will support supercells thunderstorms capable of all severe hazards, including 2"+ diameter hail and tornadoes. The threat for severe weather will persist throughout the afternoon and into the evening.
Severe Weather Threats
Tornado Watch Details
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 688
NWS Storm Prediction Center Norman OK
1000 AM MST Wed Oct 21 2026
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Northern and Central Arizona
* Effective this Wednesday morning and evening from 1000 AM until
600 PM MST.
* Primary threats include...
A few tornadoes possible
Scattered large hail and isolated very large hail events to 2.5
inches in diameter likely
Scattered damaging wind gusts to 70 mph possible
SUMMARY...Thunderstorm coverage is expected to increase across
northern and central Arizona this afternoon. Strong vertical shear
will support supercells thunderstorms capable of all severe hazards,
including 2"+ diameter hail and tornadoes. The threat for severe
weather will persist throughout the afternoon and into the evening.
The tornado watch area is approximately along and 70 statute miles
north and south of a line from 95 miles west of Grand Canyon AZ to
45 miles east of Winslow AZ. For a complete depiction of the watch
see the associated watch outline update (WOUS64 KWNS WOU8).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.
&&
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 22035.
...Mosier
↑ back to the list of watches ↑
Severe Thunderstorm Watch #0689
Locations Affected
Severe Thunderstorm Watch Summary
Thunderstorm coverage is expected to increase this afternoon and evening across portions of central and southern Arizona. Recent sounding from PHX sampled an unstable and strongly sheared environment supportive of supercells. Primary hazards with these storms are large hail and strong gusts. Isolated very large hail (i.e. 2"+ in diameter) and a brief tornado could also occur.
Severe Weather Threats
Severe Thunderstorm Watch Details
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 689
NWS Storm Prediction Center Norman OK
135 PM MST Wed Oct 21 2026
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central and Southern Arizona
* Effective this Wednesday afternoon and evening from 135 PM
until 900 PM MST.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Thunderstorm coverage is expected to increase this
afternoon and evening across portions of central and southern
Arizona. Recent sounding from PHX sampled an unstable and strongly
sheared environment supportive of supercells. Primary hazards with
these storms are large hail and strong gusts. Isolated very large
hail (i.e. 2"+ in diameter) and a brief tornado could also occur.
The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 55 miles northwest of
Gila Bend AZ to 35 miles east of Safford AZ. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 688...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
21035.
...Mosier
National Risk Overview
- Wednesday, October 21
- TORNADO: 5%
- HAIL: 30%
- WIND: 15%
- Thursday, October 22
- TORNADO: 5%
- HAIL: 15%
- WIND: 15%
- Friday, October 23
- ANY SEVERE: 5%
- Saturday, October 24
- ANY SEVERE: predictability too low
- Sunday, October 25
- ANY SEVERE: potential too low
- Monday, October 26
- ANY SEVERE: potential too low
- Tuesday, October 27
- ANY SEVERE: potential too low
- Wednesday, October 28
- ANY SEVERE: predictability too low
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