California and Four Corners Heavy Rainfall and Flooding
Oct 23, 2026 · WPC Storm Summaries · Ended
- Arizona
- California
- Colorado
- New Mexico
- Utah
Summaries
1 summary · 1 correction
First Oct 23, 02:38 PM UTC · latest Oct 23, 04:07 PM UTC
Source
NOAA Weather Prediction Center
Station values in WPC's text are preliminary
WPC outlooks as they stood at each summary
Not captured: WPC's outlooks were unavailable to Stormlio when these summaries were issued.
Storm summaries
Summary #1 · final
Oct 23, 04:07 PM UTC · corrects an earlier issuance
Heavy rain and flash flooding across California and the Four Corners region has come to an end; river flooding continues in parts of southwest Colorado, northern New Mexico and northern Arizona
Full text
ACUS45 KWBC 231607 SCCNS5 Storm Summary Number 1 for California and Four Corners Heavy Rainfall and Flooding NWS Weather Prediction Center College Park MD 900 AM MDT Fri Oct 23 2026 ...Heavy rain and flash flooding across California and the Four Corners region has come to an end; river flooding continues in parts of southwest Colorado, northern New Mexico and northern Arizona... Flood Warnings are in effect for rivers and streams across portions of southwest Colorado, southeast Utah, northern Arizona, and northwest New Mexico. Flood Advisories are in effect for portions of southwest Colorado and northern New Mexico. Flood Watches remain in effect for portions of southwest Colorado and northwest New Mexico. For a detailed graphical depiction of the latest watches, warnings and advisories, please see www.weather.gov At 800 AM MDT...A closed upper level low over southern California and associated cold front extended from Wyoming southward along the Arizona-New Mexico border into northern New Mexico. Heavy rain from Wednesday into early Friday has largely ended across California and the Four Corners region, with only lingering showers over the higher terrain. 2 to 5 inches of rain fell across the higher terrain of northern Arizona, southern Utah, southwest Colorado, and northern New Mexico, with 1 to 1.5 inches across portions of central and southern California. The rain produced widespread flash flooding and road washouts across the Navajo Nation, flash flooding in Zion National Park and along the Virgin, Paria, and Escalante Rivers in Utah, and significant river flooding along the Rio Grande near South Fork, Colorado, where ab ridge washed out and evacuations were ordered. In California, flooding closed portions of U.S. 101 near Santa Barbara and Ventura and State Route 99 in Bakersfield, while flash flooding affected roads in Death Valley National Park. ...Selected preliminary Storm Total Rainfall in inches where the event has ended... ...ARIZONA... WEST FLAGSTAFF 4.30 LENOX-WUPATKI TRAIL (FLAGSTAFF) 3.82 SNOWSLIDE CANYON 3.80 SCHULTZ CREEK 3.35 OBSERVATORY MESA 3.23 NAVAJO MONUMENT 2.79 FRY 2.70 PINE 11 NW 2.60 STRAWBERRY 2.46 COVE 2.43 BALDY 2.40 PAGE 1.77 FLAGSTAFF AIRPORT 1.66 ...CALIFORNIA... MERCED 1.52 CHINO AIRPORT 1.50 GLENDORA 0.2 N 1.40 SANTA MARIA 1.40 LOMPOC 1.39 VAN NUYS AIPORT 1.31 BEAUMONT 2.5 SE 1.23 VANDENBERG SFB 1.20 MATHER FIELD 1.17 SAN LUIS OBISPO 1.14 MCKINLEYVILLE 3.7 E 1.13 SANDBERG 1.05 OXNARD 1.01 ...COLORADO... PAGOSA SPRINGS 13.7 E 5.05 CHROMO 3.9 E 4.28 DEL NORTE 8.6 SSW 4.15 BAYFIELD 16.2 N 3.27 HERMOSA 0.9 ESE 3.19 CREEDE 3.07 DURANGO 6.4 WSW 3.06 DOVE CREEK 12.4 SSW 2.97 CAPULIN 2.9 ENE 2.61 CEDAREDGE 3.5 N 2.50 CORTEZ 2.47 NORWOOD 2.47 MONTE VISTA 2.4 E 2.46 ALAMOSA 2.22 ...NEW MEXICO... CHAMA 23.3 SSW 4.08 GALLIN 2 W 3.94 CUBA 2.1 NNW 2.97 AZTEC 9.9 NE 2.04 QUESTA 1.82 MEDANALES 0.8 ESE 1.76 BLOOMFIELD 1.7 N 1.72 ZUNI PUEBLO 0.5 S 1.71 SAN CRISTOBAL 0.1 NE 1.67 ALCALADE 19 N 1.58 GRANTS 1.6 NE 1.57 FARMINGTON 1.39 ...UTAH... BLANDING 4.38 BUCK FLAT 3.50 FISHLAKE 3.38 MONTICELLO 3.38 AGUA CANYON 3.06 LARB HOLLOW 2.92 BRYCE CANYON 2.79 ZION NP 18 SSE CEDAR CITY 2.78 I-15 AT BLACK RIDGE 2.48 HALLS CROSSING 2.47 KODACHROME BASIN SP 2.45 SAND HOLLOW 2.34 MILFORD 1.95 MOAB 17.8 SSE 1.93 HURRICANE 1.57 While the heavy rain has ended across California and the Four Corners region, moisture from the Gulf of California will continue to stream into the Southwest and Southern Plains, producing showers and thunderstorms, some severe, today. A Slight Risk (level 2 of 4) of excessive rainfall is in effect for portions of the southern New Mexico and far western Texas today, shifting to the Southern Rockies and the Central and Southern High Plains on Saturday and Sunday, where localized flash flooding is possible. River flooding will continue in parts of southwest Colorado, northern New Mexico, and northern Arizona as runoff works downstream. This will be the last Storm Summary issued by the Weather Prediction Center for this event. Please refer to your local National Weather service office for additional information. Eovino $$
Superseded version, Oct 23, 02:38 PM UTC
ACUS45 KWBC 231438 SCCNS5 Storm Summary Number 1 for California and Four Corners Heavy Rainfall and Flooding NWS Weather Prediction Center College Park MD 900 AM MDT Fri Oct 23 2026 ...Heavy rain and flash flooding across California and the Four Corners region has come to an end; river flooding continues in parts of southwest Colorado, northern New Mexico and northern Arizona... Flood Warnings are in effect for rivers and streams across portions of southwest Colorado, southeast Utah, northern Arizona, and northwest New Mexico. Flood Advisories are in effect for portions of southwest Colorado and northern New Mexico. Flood Watches remain in effect for portions of southwest Colorado and northwest New Mexico. For a detailed graphical depiction of the latest watches, warnings and advisories, please see www.weather.gov At 800 AM MDT...A closed upper level low over southern California and associated cold front extended from Wyoming southward along the Arizona-New Mexico border into northern New Mexico. Heavy rain from Wednesday into early Friday has largely ended across California and the Four Corners region, with only lingering showers over the higher terrain. 2 to 5 inches of rain fell across the higher terrain of northern Arizona, southern Utah, southwest Colorado, and northern New Mexico, with 1 to 1.5 inches across portions of central and southern California. The rain produced widespread flash flooding and road washouts across the Navajo Nation, flash flooding in Zion National Park and along the Virgin, Paria, and Escalante Rivers in Utah, and significant river flooding along the Rio Grande near South Fork, Colorado, where ab ridge washed out and evacuations were ordered. In California, flooding closed portions of U.S. 101 near Santa Barbara and Ventura and State Route 99 in Bakersfield, while flash flooding affected roads in Death Valley National Park. ...Selected preliminary Storm Total Rainfall in inches where the event has ended... ...ARIZONA... WEST FLAGSTAFF 4.30 LENOX-WUPATKI TRAIL (FLAGSTAFF) 3.82 SNOWSLIDE CANYON 3.80 SCHULTZ CREEK 3.35 OBSERVATORY MESA 3.23 NAVAJO MONUMENT 2.79 FRY 2.70 PINE 11 NW 2.60 STRAWBERRY 2.46 COVE 2.43 BALDY 2.40 PAGE 1.77 FLAGSTAFF AIRPORT 1.66 ...CALIFORNIA... MERCED 1.52 CHINO AIRPORT 1.50 GLENDORA 0.2 N 1.40 SANTA MARIA 1.40 LOMPOC 1.39 VAN NUYS AIPORT 1.31 BEAUMONT 2.5 SE 1.23 VANDENBERG SFB 1.20 MATHER FIELD 1.17 SAN LUIS OBISPO 1.14 MCKINLEYVILLE 3.7 E 1.13 SANDBERG 1.05 OXNARD 1.01 ...COLORADO... PAGOSA SPRINGS 13.7 E 5.05 CHROMO 3.9 E 4.28 DEL NORTE 8.6 SSW 4.15 BAYFIELD 16.2 N 3.27 HERMOSA 0.9 ESE 3.19 CREEDE 3.07 DURANGO 6.4 WSW 3.06 DOVE CREEK 12.4 SSW 2.97 CAPULIN 2.9 ENE 2.61 CEDAREDGE 3.5 N 2.50 CORTEZ 2.47 NORWOOD 2.47 MONTE VISTA 2.4 E 2.46 ALAMOSA 2.22 ...NEW MEXICO... CHAMA 23.3 SSW 4.08 GALLIN 2 W 3.94 CUBA 2.1 NNW 2.97 AZTEC 9.9 NE 2.04 QUESTA 1.82 MEDANALES 0.8 ESE 1.76 BLOOMFIELD 1.7 N 1.72 ZUNI PUEBLO 0.5 S 1.71 SAN CRISTOBAL 0.1 NE 1.67 ALCALADE 19 N 1.58 GRANTS 1.6 NE 1.57 FARMINGTON 1.39 ...UTAH... BLANDING 4.38 BUCK FLAT 3.50 FISHLAKE 3.38 MONTICELLO 3.38 AGUA CANYON 3.06 LARB HOLLOW 2.92 BRYCE CANYON 2.79 ZION NP 18 SSE CEDAR CITY 2.78 I-15 AT BLACK RIDGE 2.48 HALLS CROSSING 2.47 KODACHROME BASIN SP 2.45 SAND HOLLOW 2.34 MILFORD 1.95 MOAB 17.8 SSE 1.93 HURRICANE 1.57 While the heavy rain has ended across California and the Four Corners region, moisture from the Gulf of California will continue to stream into the Southwest and Southern Plains, producing showers and thunderstorms, some severe, today. A Slight Risk (level 2 of 4) of excessive rainfall is in effect for portions of the southern New Mexico and far western Texas today, shifting to the Southern Rockies and the Central and Southern High Plains on Saturday and Sunday, where localized flash flooding is possible. River flooding will continue in parts of southwest Colorado, northern New Mexico, and northern Arizona as runoff works downstream. This will be the last Storm Summary issued by the Weather Prediction Center for this event. Please refer to your local National Weather service office for additional information. Eovino $$
Forecast offices in the affected states
By the states WPC's summaries list. Each office page has its active alerts and latest Area Forecast Discussion.
California
Text: NOAA/NWS Weather Prediction Center Storm Summaries, shown verbatim. Grouping the summaries into one event, the outlook copies and the links are Stormlio's; WPC issues no event id. Station values are preliminary; the official record is NCEI Storm Data.