Station Name: ST. JOHNS RIVER AT ASTOR, FL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 16 feet

Nearest Address:
State Hwy 40
Astor, FL 32102
Volusia County

GPS Coordinates: 29.16692445, -81.5220157

Nearby Water Temperatures

Fire Weather Watch issued February 21 at 2:11PM EST until February 23 at 7:00PM EST by NWS Melbourne FL

Effective: Sat February 21, 2026, 2:11 PM
Expires: Mon February 23, 2026, 7:00 PM

......Elevated Fire Danger Sunday Afternoon Through Monday Evening Across All of East Central Florida...... The National Weather Service in Melbourne has issued a Fire Weather Watch, which is in effect from Sunday afternoon through Monday evening. * AFFECTED AREA... Volusia, Lake, Orange, Seminole, Brevard, Osceola, Okeechobee, Indian River, Saint Lucie. * WIND... West to northwest winds around 15 mph with gusts 20 to 25 mph. * HUMIDITY...30 to 45 percent on Sunday and 20 to 30 percent on Monday. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

Red Flag Warning issued February 21 at 1:10PM EST until February 22 at 9:00PM EST by NWS Jacksonville FL

Effective: Sat February 21, 2026, 1:10 PM
Expires: Sun February 22, 2026, 4:00 AM

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING FOR LOW HUMIDITY AND STRONG NORTHWESTERLY WINDS FOR SOUTHEAST GEORGIA AND NORTHEAST FLORIDA... The National Weather Service in Jacksonville has issued a Red Flag Warning for critically low humidity and strong northwesterly winds, which is in effect from 1 PM to 9 PM EST Sunday. A Fire Weather Watch has also been issued. This Fire Weather Watch for an additional period of critical fire weather conditions and in effect from Monday afternoon through Monday evening. * AFFECTED AREA...In Florida, Suwannee, Baker, Inland Nassau, Union, Bradford, Gilchrist, Inland Flagler, Eastern Hamilton, Coastal Nassau, Coastal Duval, Eastern Clay, Eastern Alachua, Eastern Putnam, Coastal Flagler, Eastern Marion, Western Hamilton, Trout River, Western Clay, Northeast Coastal St. Johns, Western Alachua, Western Putnam, Central Marion, Northern Columbia, South Central Duval, Southeast Coastal St. Johns, Western Marion, Southeastern Columbia, Western Duval, Northern Inland St. Johns, Southwestern Columbia, Southern Inland St. Johns and Western St. Johns. In Georgia, Echols, Clinch, Northeastern Charlton, Southern Ware and Western Charlton. * TIMING...1 PM to 9 PM. * WINDS...Northwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 24 percent. * TEMPERATURES...Up to 69. * IMPACTS...Ongoing wildfires will become difficult to contain and newly ignited fires may exhibit erratic fire behavior. Rapid rates of wildfire spread is expected.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

Fire Weather Watch issued February 21 at 1:10PM EST until February 23 at 7:00PM EST by NWS Jacksonville FL

Effective: Sat February 21, 2026, 1:10 PM
Expires: Sun February 22, 2026, 4:00 AM

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING FOR LOW HUMIDITY AND STRONG NORTHWESTERLY WINDS FOR SOUTHEAST GEORGIA AND NORTHEAST FLORIDA... The National Weather Service in Jacksonville has issued a Red Flag Warning for critically low humidity and strong northwesterly winds, which is in effect from 1 PM to 9 PM EST Sunday. A Fire Weather Watch has also been issued. This Fire Weather Watch for an additional period of critical fire weather conditions and in effect from Monday afternoon through Monday evening. * AFFECTED AREA...In Florida, Suwannee, Baker, Inland Nassau, Union, Bradford, Gilchrist, Inland Flagler, Eastern Hamilton, Coastal Nassau, Coastal Duval, Eastern Clay, Eastern Alachua, Eastern Putnam, Coastal Flagler, Eastern Marion, Western Hamilton, Trout River, Western Clay, Northeast Coastal St. Johns, Western Alachua, Western Putnam, Central Marion, Northern Columbia, South Central Duval, Southeast Coastal St. Johns, Western Marion, Southeastern Columbia, Western Duval, Northern Inland St. Johns, Southwestern Columbia, Southern Inland St. Johns and Western St. Johns. In Georgia, Echols, Clinch, Northeastern Charlton, Southern Ware and Western Charlton. * TIMING...1 PM to 9 PM. * WINDS...Northwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 24 percent. * TEMPERATURES...Up to 69. * IMPACTS...Ongoing wildfires will become difficult to contain and newly ignited fires may exhibit erratic fire behavior. Rapid rates of wildfire spread is expected.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

Red Flag Warning issued February 21 at 12:23PM EST until February 22 at 7:00PM EST by NWS Tampa Bay Ruskin FL

Effective: Sat February 21, 2026, 12:23 PM
Expires: Mon February 23, 2026, 7:00 PM

...CRITICALLY LOW HUMIDITY WITH GUSTY WINDS WILL RESULT IN ELEVATED FIRE DANGER... .The National Weather Service in Ruskin has issued a Fire Weather Warning for low humidity, breezy northerly winds, and moderate significant fire potential expected Sunday afternoon. The National Weather Service in Tampa Bay Ruskin has issued a Red Flag Warning, which is in effect from 1 PM to 7 PM EST Sunday. A Fire Weather Watch has also been issued. This Fire Weather Watch is in effect from Monday morning through Monday evening. * AFFECTED AREA...Sumter, Coastal Levy, Inland Levy, Inland Citrus and Inland Hernando. * TIMING...For the Red Flag Warning, from 1 PM to 7 PM EST Sunday. For the Fire Weather Watch, from Monday morning through Monday evening. * WINDS...Northwest 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 28 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and dry fuels can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

Fire Weather Watch issued February 21 at 12:23PM EST until February 23 at 7:00PM EST by NWS Tampa Bay Ruskin FL

Effective: Sat February 21, 2026, 12:23 PM
Expires: Mon February 23, 2026, 7:00 PM

...CRITICALLY LOW HUMIDITY WITH GUSTY WINDS WILL RESULT IN ELEVATED FIRE DANGER... .The National Weather Service in Ruskin has issued a Fire Weather Warning for low humidity, breezy northerly winds, and moderate significant fire potential expected Sunday afternoon. The National Weather Service in Tampa Bay Ruskin has issued a Red Flag Warning, which is in effect from 1 PM to 7 PM EST Sunday. A Fire Weather Watch has also been issued. This Fire Weather Watch is in effect from Monday morning through Monday evening. * AFFECTED AREA...Sumter, Coastal Levy, Inland Levy, Inland Citrus and Inland Hernando. * TIMING...For the Red Flag Warning, from 1 PM to 7 PM EST Sunday. For the Fire Weather Watch, from Monday morning through Monday evening. * WINDS...Northwest 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 28 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and dry fuels can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.