Weather Alerts Map

Deltona weather alerts

1 warning is in effect for Deltona, FL. The most serious is a flood warning.

The National Weather Service issues alerts for Deltona as part of Volusia County.

Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS

Active alerts for Deltona

Flood Warning

Lake, FL; Volusia, FLUntil · NWS Melbourne FL

FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE

Full alert text
...The Flood Warning continues for the following rivers in Florida...

St Johns River Near Astor affecting Volusia and Lake Counties.

.On the St Johns River at Astor, slight rises within Minor Flood
Stage are forecast this weekend into next week due to a combination
of northerly winds, downstream tidal effects, and water from upstream
heavy rainfall working north through the basin.

For the St. Johns River...including Astor...Minor flooding is
forecast.

* WHAT...Minor flooding is occurring and moderate flooding is
forecast.

* WHERE...St Johns River near Astor.

* WHEN...Until further notice.

* IMPACTS...At 3.5 feet, Canals have overflowed into yards. Homes on
or near Wildhog, Bonnet and Snail roads become inaccessible with
several inches of water inside homes along the river and canals.
Docks at Astor Bridge marina and throughout Astor are completely
submerged. Bartram Rd and Holiday Circle are inaccessible with
yards completely submerged. Clair Street is inaccessible. Roads
flooded in South Moon Fish Camp, docks and yards at condominiums on
Juno Trail and water breaches the sea wall at Blair's Jungle Den.

* ADDITIONAL DETAILS...
- At 9:30 AM EST Saturday the stage was 2.6 feet.
- Bankfull stage is 2.0 feet.
- Recent Activity...The maximum river stage in the 24 hours ending
at 9:30 AM EST Saturday was 2.7 feet.
- Forecast...The river is expected to rise to 3.4 feet just after
midnight tonight. Additional rises are possible thereafter.
- Flood stage is 2.3 feet.
- http://www.weather.gov/safety/flood

What to do: Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov. The next statement will be issued Sunday morning at 1130 AM EST.

Map data: NWS, OpenFreeMap, OpenStreetMap

Tornado history within 25 miles of Deltona

148 tornadoes have been recorded within 25 miles of Deltona since 1950, killing 33 people and injuring 356. The most recent was on September 18, 2025 (rated unknown).

EF0: 75EF075EF1: 47EF147EF2: 21EF221EF3: 4EF34EF4: 0EF4EF5: 0EF5
Tornadoes by (E)F rating

Strongest tornadoes within 25 miles of Deltona

DateRatingCountyPath lengthWidthDeathsInjuries
February 2, 2007EF3Lake County26 mi450 yd1351
February 22, 1998F3Seminole County16 mi200 yd1336
February 22, 1998F3Lake County18 mi200 yd370
November 1, 1997F3Volusia County3 mi400 yd032
March 12, 1993F2Lake County30 mi200 yd160

Most recent tornadoes

DateRatingCountyPath lengthWidthDeathsInjuries
September 18, 2025?Volusia County0.1 mi10 yd00
March 10, 2025EF2Seminole County4 mi300 yd00
August 21, 2024EF0Seminole County1.3 mi5 yd00
June 6, 2024EF0Orange County0 mi5 yd00
July 22, 2023EF0Volusia County0.6 mi20 yd00

Florida tornado history and map →

How often alerts are issued for Volusia County

Alert type2016–2025Last issued
Flood Advisory274November 2, 2026
Severe Thunderstorm Warning201September 6, 2026
Dense Fog Advisory73March 4, 2026
Flood Warning70November 2, 2026
Wind Advisory60October 24, 2026
Tornado Warning51March 10, 2025
Heat Advisory40August 20, 2026
Coastal Flood Advisory34October 29, 2026
Tornado Watch34May 2, 2026
Red Flag Warning30May 7, 2026

Full Volusia County alert history →

About Deltona

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