Alert archive / Arizona / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 65, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Jul 25, 2026, 7:05 PM MST for Pima County, Arizona. It was in force for 40 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 25, 2026, 7:05 PM MST (02:05 UTC)
- Expired
- Jul 25, 2026, 7:45 PM MST
- In force
- 40 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Pima County, AZ
The radar
The Tucson radar (KEMX), 35 km from the middle of the area, began a volume at 02:07 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 25, 7:12 PM MST | TSTM WND DMG | 11 Ssw Tucson, AZ | Delayed report. Covered patio roof and support structures destroyed. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 7 minutes after it went out.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Phoenix, AZ (KPSR), launched 00:00Z, 2.1 hours before the alert went out and 179 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 39 J/kg
- Mixed-layer CIN
- -280 J/kg
- Mixed-layer LCL
- 2839 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
678 WUUS55 KTWC 260205 SVRTWC AZC019-260245- /O.NEW.KTWC.SV.W.0065.260726T0205Z-260726T0245Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Tucson AZ 705 PM MST Sat Jul 25 2026 The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... Eastern Pima County in southeastern Arizona... * Until 745 PM MST. * At 705 PM MST, a severe thunderstorm was located over Summit, moving northwest at 5 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Tucson, Sahuarita, Davis-Monthan Air Force Base, Drexel Heights, San Xavier Community, Tucson International Airport, Summit and San Xavier Mission. This includes the following highways... Interstate 19 between mile markers 48 and 60. Interstate 10 between mile markers 262 and 271. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds. && LAT...LON 3208 11082 3196 11098 3207 11111 3222 11090 TIME...MOT...LOC 0205Z 142DEG 5KT 3206 11093 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ DVS
2 follow-up statements
316 WWUS55 KTWC 260229 SVSTWC Severe Weather Statement National Weather Service Tucson AZ 729 PM MST Sat Jul 25 2026 AZC019-260245- /O.CON.KTWC.SV.W.0065.000000T0000Z-260726T0245Z/ Pima AZ- 729 PM MST Sat Jul 25 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM MST FOR EASTERN PIMA COUNTY... At 729 PM MST, a severe thunderstorm was located over Summit, moving southwest at 5 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Sahuarita, San Xavier Community, Summit and San Xavier Mission. This includes Interstate 19 between mile markers 48 and 58. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds. && LAT...LON 3196 11098 3207 11111 3214 11099 3203 11089 TIME...MOT...LOC 0205Z 53DEG 2KT 3204 11095 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ DVS
451 WWUS55 KTWC 260246 SVSTWC Severe Weather Statement National Weather Service Tucson AZ 746 PM MST Sat Jul 25 2026 AZC019-260256- /O.EXP.KTWC.SV.W.0065.000000T0000Z-260726T0245Z/ Pima AZ- 746 PM MST Sat Jul 25 2026 ...SEVERE THUNDERSTORM WARNING HAS EXPIRED FOR EASTERN PIMA COUNTY... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning has been allowed to expire. To report severe weather, contact your nearest law enforcement agency. They will send your report to the National Weather Service office. A Severe Thunderstorm Warning remains in effect until 800 PM MST for east central Pima County for a severe storm near Benson. && LAT...LON 3196 11098 3207 11111 3214 11099 3203 11089 TIME...MOT...LOC 0229Z 53DEG 2KT 3203 11096 $$ DVS
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tucson, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 25, 2:42 PM MST, 4 hours 23 minutes earlier.
Area forecast discussion, Jul 25, 2:42 PM MST, 4 hours 23 minutes before
Area Forecast Discussion National Weather Service Tucson AZ 242 PM MST Sat Jul 25 2026 .SYNOPSIS...Hot temperatures will continue for the next week along with daily chances of afternoon and evening showers and thunderstorms. && .DISCUSSION...Ahh the monsoon. It never fails that what looks like an active day 24 to 48 hours out in the model world ends up to be much less. Today is a good example as drier air has punched in from the east with no storms on radar as of 230 pm. The CAMs are also been struggling today. Although its been a slow start to the convection, still looking at widely scattered storms developing in the 3-5 pm with generally movement to the west northwest into this evening. Main threat from any storm will be strong gusty winds, brief heavy rain and blowing dust. Enough moisture will be around for the next 7 days for daily chances of showers and thunderstorms with day-to-day variability on areal coverage of storms. High temperatures so far this afternoon have been in the upper 90s east to the 109 lower deserts. Extreme Heat Warning remains in effect until 8 pm this evening. Slightly cooler tomorrow with above normal high temperatures continuing all next week with the end of next week seeing highs like we have seen yesterday and today. && .AVIATION...Valid through 27/00Z. Widely SCTD -SHRA/TS with SCTD to lcly BKN 8k-12k ft AGL thru 26/05z then again aft 26/20z. Any thunderstorm may produce strong and erratic wind gusts, with a chance of a severe wind gust. Otrw SFC winds NWLY 5-10 kts with ocnl gusts to 18 kts thru 26/04z then again aft 26/20z. Vrbl winds less than 8 kts at other times. Aviation discussion not updated for TAF amendments. && .FIRE WEATHER...High temperatures will remain well above normal for the next week. Isolated to widely scattered showers and thunderstorms into this evening. Expect daily chances of afternoon and evening showers and thunderstorms will day-to-day variability on coverage of storms. Any thunderstorm will bring a threat of severe, erratic wind gusts as well as brief heavy rainfall and an isolated threat of flash flooding. Minimum relative humidity values will increase from 15-20 percent in desert location and 30-40 percent in the mountains today to above 20-40 percent Sunday through mid-week next week. Winds this weekend will mainly be light and under 12 mph outside of thunderstorms. && .TWC WATCHES/WARNINGS/ADVISORIES... Extreme Heat Warning until 8 PM MST this evening for AZZ501>509. && Visit us on Facebook, X, YouTube, and at weather.gov/Tucson
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 6:43 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima, Santa Cruz | 62 min |
| Jul 25, 7:10 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima | 50 min |
| Jul 25, 7:43 PM MST | Flash Flood Warning | TWC | Cochise, Pima | 3 hr |
| Jul 25, 9:13 PM MST | Areal Flood Advisory | TWC | Graham | 3 hr |
Nearby
Severe Thunderstorm Warnings in Arizona, 2026Every severe thunderstorm warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.