California, 2026Dense Fog in California, February 1 to 5, 2026
February 1 to 5, 2026 · NWS HNX · 17 events in 5 counties and zones
The continuation of a prolonged period of dense fog occurring every night and every morning across San Joaquin Valley into the first part of the month.
Every event with a place to put it; 17 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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- Floods
- Wind
- Hail
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- Heat and drought
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- Deaths
- 0
- Injuries
- 1
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 17
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The continuation of a prolonged period of dense fog occurring every night and every morning across San Joaquin Valley into the first part of the month.
Dense Fog, Merced-Madera-Mendota
- When
- February 1, 6:53 AM PST to 12:00 PM PST
- Where
- Merced-Madera-Mendota forecast zone
- Reported by
- ASOS
- Coordinates
- 37.056, -120.043 (the zone’s center; the record gives no point)
ASOS station KMAE Madera Airport reported near zero mile visibility.
Dense Fog, Hanford - Corcoran - Lemoore
- When
- February 1, 6:53 AM PST to 12:00 PM PST
- Where
- Hanford - Corcoran - Lemoore forecast zone
- Reported by
- ASOS
- Coordinates
- 36.351, -119.421 (the zone’s center; the record gives no point)
ASOS station KHJO Hanford Airport reported near zero mile visibility.
Dense Fog, Merced-Madera-Mendota
- When
- February 1, 6:53 AM PST to 12:00 PM PST
- Where
- Merced-Madera-Mendota forecast zone
- Reported by
- ASOS
- Coordinates
- 37.056, -120.043 (the zone’s center; the record gives no point)
ASOS station KMCE Merced Airport reported quarter mile visibility.
Dense Fog, Fresno - Clovis
- When
- February 1, 6:53 AM PST to 12:00 PM PST
- Where
- Fresno - Clovis forecast zone
- Reported by
- ASOS
- Coordinates
- 36.758, -119.649 (the zone’s center; the record gives no point)
ASOS station KFAT Fresno Air Terminal reported 1.0 mile visibility.
Dense Fog, Bakersfield
- When
- February 1, 6:54 AM PST to 12:00 PM PST
- Where
- Bakersfield forecast zone
- Reported by
- ASOS
- Coordinates
- 35.343, -118.730 (the zone’s center; the record gives no point)
ASOS station KBFL Bakersfield Meadows Field reported 1.25 mile visibility.
Dense Fog, Visalia - Porterville - Reedley
- When
- February 1, 6:56 AM PST to 12:00 PM PST
- Where
- Visalia - Porterville - Reedley forecast zone
- Reported by
- AWOS
- Coordinates
- 36.489, -119.224 (the zone’s center; the record gives no point)
AWOS station KVIS Visalia Airport reported near zero mile visibility.
Dense Fog, Hanford - Corcoran - Lemoore
- When
- February 2, 5:53 AM PST to 12:00 PM PST
- Where
- Hanford - Corcoran - Lemoore forecast zone
- Reported by
- ASOS
- Coordinates
- 36.351, -119.421 (the zone’s center; the record gives no point)
ASOS station KHJO Hanford Airport reported quarter mile visibility.
Dense Fog, Fresno - Clovis
- When
- February 2, 5:53 AM PST to 12:00 PM PST
- Where
- Fresno - Clovis forecast zone
- Reported by
- ASOS
- Coordinates
- 36.758, -119.649 (the zone’s center; the record gives no point)
ASOS station KFAT Fresno Air Terminal reported 0.25 mile visibility.
Dense Fog, Merced-Madera-Mendota
- When
- February 2, 7:32 AM PST to 12:00 PM PST
- Where
- Merced-Madera-Mendota forecast zone
- Injuries
- 0 direct, 1 indirect
- Reported by
- Law Enforcement
- Coordinates
- 37.056, -120.043 (the zone’s center; the record gives no point)
CHP reported a two vehicle traffic collision at intersection on Ave 14 at Rd. 24 with |heavy fog in area. One minor injury reported.
Dense Fog, Merced-Madera-Mendota
- When
- February 3, 6:22 AM PST to February 5, 12:00 PM PST
- Where
- Merced-Madera-Mendota forecast zone
- Reported by
- Law Enforcement
- Coordinates
- 37.056, -120.043 (the zone’s center; the record gives no point)
CHP reported Level 3 fog, or 200 to 500 ft visibility on Applegate Rd. near SR 99.
Dense Fog, Hanford - Corcoran - Lemoore
- When
- February 3, 6:30 AM PST to February 5, 12:00 PM PST
- Where
- Hanford - Corcoran - Lemoore forecast zone
- Reported by
- NWS Employee
- Coordinates
- 36.351, -119.421 (the zone’s center; the record gives no point)
Visibility around 50 ft on Denver Ave near 6th Ave to 7th Ave. Also, 6th Ave with 100 |ft.visibility for all areas north of Denver Ave.
Dense Fog, Fresno - Clovis
- When
- February 3, 6:57 AM PST to February 5, 12:00 PM PST
- Where
- Fresno - Clovis forecast zone
- Reported by
- Law Enforcement
- Coordinates
- 36.758, -119.649 (the zone’s center; the record gives no point)
CHP reporting nearby areas with 100 ft visibility.
Dense Fog, Merced-Madera-Mendota
- When
- February 4, 6:53 AM PST to February 5, 12:00 PM PST
- Where
- Merced-Madera-Mendota forecast zone
- Reported by
- ASOS
- Coordinates
- 37.056, -120.043 (the zone’s center; the record gives no point)
ASOS station KMCE Merced Airport reported near zero mile visibility.
Dense Fog, Hanford - Corcoran - Lemoore
- When
- February 4, 6:53 AM PST to February 5, 12:00 PM PST
- Where
- Hanford - Corcoran - Lemoore forecast zone
- Reported by
- ASOS
- Coordinates
- 36.351, -119.421 (the zone’s center; the record gives no point)
ASOS station KHJO Hanford Airport reported near zero mile visibility.
Dense Fog, Visalia - Porterville - Reedley
- When
- February 4, 6:56 AM PST to February 5, 12:00 PM PST
- Where
- Visalia - Porterville - Reedley forecast zone
- Reported by
- AWOS
- Coordinates
- 36.489, -119.224 (the zone’s center; the record gives no point)
AWOS station KVIS Visalia Airport reported near zero mile visibility.
Dense Fog, Visalia - Porterville - Reedley
- When
- February 5, 7:02 AM PST to 12:00 PM PST
- Where
- Visalia - Porterville - Reedley forecast zone
- Reported by
- NWS Employee
- Coordinates
- 36.489, -119.224 (the zone’s center; the record gives no point)
Dense fog to 500 feet in north Visalia.
Dense Fog, Merced-Madera-Mendota
- When
- February 5, 7:46 AM PST to 12:00 PM PST
- Where
- Merced-Madera-Mendota forecast zone
- Reported by
- Law Enforcement
- Coordinates
- 37.056, -120.043 (the zone’s center; the record gives no point)
CHP reports Wrong Way Driver in Dense Fog between 500 and 200 feet. Intersection of | I-5 N and Sate Route 165.
- Dense Fog
- Fog reducing visibility to a quarter mile or less, filed where it caused accidents or disruption.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Extreme Cold and Winter Weather in South Carolina, February 1, 20262 deaths · 2 injured · 9 events
- Cold in Mississippi, February 1, 20261 death · 22 events
- Cold in Tennessee, February 1, 20261 death · 21 events
- Extreme Cold and Cold in Ohio, February 1 to 11, 20261 death · 1 injured · 10 events
- Cold in Indiana, February 1 to 2, 20261 death · 3 events
- Drought in Georgia, February 1 to 28, 202662 events
- Cold in West Virginia, February 1 to 10, 202640 events
- Drought in Illinois, February 1 to 28, 202634 events
- Extreme Cold and Cold in Virginia, February 1 to 2, 202629 events
- Drought in Florida, February 1 to 28, 202627 events
- Extreme Cold in Florida, February 1, 202627 events
- Drought in Georgia, February 1 to 28, 202626 events
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1312576, 1312578, 1312581, 1312583, 1312585, 1312579, 1312644, 1312645, 1312632, 1312665, 1312667, 1312664, 1312671, 1312673, 1312670, 1312680, 1312677.