Middle Tennessee Fire Weather

The National Weather Service Fire Weather Program emerged in response to a need for weather support to large and dangerous wildfires. This service is provided to federal and state land management agencies for the prevention, suppression, and management of forest and rangeland fires. The National Weather Service Forecast Office in Nashville provides year-round fire weather forecasts for most of Middle Tennessee. Routine fire weather forecasts are issued daily for Tennessee Division of Forestry Districts 4 and 5.

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Hourly Weather Forecast	Fire Weather Planning Forecast
	000 FNUS54 KOHX 280923 FWFOHX Fire Weather Planning Forecast for Middle Tennessee National Weather Service Nashville TN 423 AM CDT Thu Oct 28 2021 .DISCUSSION... Winds will be gusty out of the south through mid afternoon today. Off and on showers are expected all day today through Saturday as an upper low moves over the Tennessee Valley. Total rainfall amounts expected are around or just below an inch. Rain should move out of the area by Sunday morning. TNZ005>008-023>028-059-062-282215- Cheatham-Davidson-Dickson-Houston-Humphreys-Montgomery-Robertson- Rutherford-Stewart-Sumner-Williamson-Wilson- Including the cities of Ashland City, Brentwood, Clarksville, Dickson, Dover, Erin, Franklin, Gallatin, Goodlettsville, Hendersonville, Kingston Springs, La Vergne, Lebanon, McEwen, Mount Juliet, Murfreesboro, Nashville, New Johnsonville, Smyrna, Springfield, Tennessee Ridge, and Waverly 423 AM CDT Thu Oct 28 2021 Today Tonight Fri Cloud Cover Mcldy Mcldy Mcldy Temp (24H Trend) 64 (-3) 50 (+1) 58 RH % (24H Trend) 61 (+24) 99 (+6) 75 AM 20FT Wnd (mph) SE 12-16 G23 LGT/VAR PM 20FT Wnd (mph) S 9-13 G20 S 6-10 W 3-7 Precip Chance (%) 90 80 80 Precip Type Tstms Tstms Showers Precip Amount (in) 0.25 0.16 0.15 Precip Dur (hr) 5 4 7 Precip Begin 6 AM Continuing Continuing Precip End Continuing Continuing Continuing Mixing Hgt (m-msl) 1100 800 Mixing Hgt (ft-msl) 3600 2600 Transport Wnd (m/s) S 9 W 2 Transport Wnd (mph) S 20 W 3 Vent Rate (m/s-m) 8947 2412 Category Day 4 1 Dispersion Index 43 9 6 LAL 2 2 1 Haines Index 3 3 3 Maximum LVORI 6 10 10 RH Recovery Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY NIGHT...Showers likely. Lows in the lower 50s. West winds 5 to 10 mph. Chance of showers 70 percent. .SATURDAY...Mostly cloudy with a 50 percent chance of showers. Highs in the upper 50s. Minimum RH 72 percent. Northwest winds 5 to 10 mph. .SATURDAY NIGHT...Mostly cloudy. Lows in the upper 40s. Northwest winds 5 to 10 mph. .SUNDAY...Partly sunny. Highs in the lower 60s. Minimum RH 47 percent. Northwest winds up to 5 mph. .MONDAY...Mostly clear. Lows in the mid 40s. Highs in the mid 60s. Minimum RH 46 percent. North winds up to 5 mph. .TUESDAY...Partly cloudy. Lows in the mid 40s. Highs in the upper 50s. Minimum RH 46 percent. Northwest winds up to 5 mph. .WEDNESDAY...Mostly cloudy. Lows in the lower 40s. Highs in the upper 50s. Minimum RH 51 percent. Southeast winds up to 10 mph. $$ TNZ009>011-029>034-063>066-078-080-282215- Cannon-Clay-Cumberland-De Kalb-Fentress-Jackson-Macon-Overton- Pickett-Putnam-Smith-Trousdale-Van Buren-Warren-White- Including the cities of Allardt, Byrdstown, Carthage, Celina, Cookeville, Crossville, Gainesboro, Gordonsville, Hartsville, Jamestown, Lafayette, Livingston, McMinnville, Smithville, South Carthage, Sparta, Spencer, and Woodbury 423 AM CDT Thu Oct 28 2021 Today Tonight Fri Cloud Cover Mcldy Mcldy Mcldy Temp (24H Trend) 61 (-3) 49 (+4) 55 RH % (24H Trend) 65 (+28) 100 (+9) 77 AM 20FT Wnd (mph) SE 12-16 G23 LGT/VAR PM 20FT Wnd (mph) SE 10-14 G20 S 6-10 LGT/VAR Precip Chance (%) 80 70 80 Precip Type Tstms Tstms Showers Precip Amount (in) 0.15 0.09 0.15 Precip Dur (hr) 3 5 10 Precip Begin 6 AM Continuing Continuing Precip End Continuing Continuing Continuing Mixing Hgt (m-msl) 800 700 Mixing Hgt (ft-msl) 2700 2400 Transport Wnd (m/s) S 9 SW 3 Transport Wnd (mph) S 21 SW 6 Vent Rate (m/s-m) 8060 3799 Category Day 3 1 Dispersion Index 48 10 10 LAL 2 2 1 Haines Index 3 3 3 Maximum LVORI 9 10 10 RH Recovery Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY NIGHT...Cloudy with a 50 percent chance of showers. Lows in the upper 40s. Southwest winds up to 5 mph. .SATURDAY...Showers likely. Highs in the mid 50s. Minimum RH 75 percent. West winds 5 to 10 mph. Chance of showers 70 percent. .SATURDAY NIGHT...Mostly cloudy. Lows in the upper 40s. Northwest winds 5 to 10 mph. .SUNDAY...Mostly cloudy. Highs around 60. Minimum RH 56 percent. Northwest winds up to 5 mph. .MONDAY...Mostly clear. Lows in the lower 40s. Highs in the lower 60s. Minimum RH 48 percent. North winds up to 5 mph. .TUESDAY...Partly cloudy. Lows in the lower 40s. Highs in the lower 60s. Minimum RH 47 percent. Northwest winds up to 5 mph. .WEDNESDAY...Mostly cloudy. Lows in the lower 40s. Highs in the upper 50s. Minimum RH 55 percent. Southwest winds up to 5 mph. $$ TNZ056>058-060-061-075-076-092>096-282215- Bedford-Giles-Hardin-Hickman-Lawrence-Lewis-Lincoln-Marshall-Maury- Moore-Perry-Wayne- Including the cities of Centerville, Clifton, Columbia, Fayetteville, Hohenwald, Lawrenceburg, Lewisburg, Linden, Lobelville, Lynchburg, Olive Hill, Pickwick Dam, Pulaski, Savannah, Shelbyville, and Waynesboro 423 AM CDT Thu Oct 28 2021 Today Tonight Fri Cloud Cover Mcldy Mcldy Cloudy Temp (24H Trend) 65 (-6) 50 (0) 57 RH % (24H Trend) 58 (+25) 98 (+4) 75 AM 20FT Wnd (mph) SE 12-16 G23 SW 3-7 PM 20FT Wnd (mph) S 9-13 S 6-10 W 4-8 Precip Chance (%) 70 80 70 Precip Type Tstms Tstms Showers Precip Amount (in) 0.23 0.17 0.14 Precip Dur (hr) 3 6 8 Precip Begin 6 AM Continuing Continuing Precip End Continuing Continuing Continuing Mixing Hgt (m-msl) 1100 700 Mixing Hgt (ft-msl) 3600 2400 Transport Wnd (m/s) S 9 W 3 Transport Wnd (mph) S 21 W 7 Vent Rate (m/s-m) 10954 3961 Category Day 4 2 Dispersion Index 45 19 9 LAL 2 2 1 Haines Index 3 3 3 Maximum LVORI 5 10 10 RH Recovery Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY NIGHT...Showers likely. Lows around 50. West winds 5 to 10 mph. Chance of showers 70 percent. .SATURDAY...Mostly cloudy with a 50 percent chance of showers. Highs in the upper 50s. Minimum RH 72 percent. West winds 5 to 10 mph. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. Northwest winds around 5 mph. .SUNDAY...Partly sunny. Highs in the mid 60s. Minimum RH 54 percent. Northwest winds up to 5 mph. .MONDAY...Mostly clear. Lows in the mid 40s. Highs in the mid 60s. Minimum RH 48 percent. North winds up to 5 mph. .TUESDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid 60s. Minimum RH 47 percent. Northwest winds up to 5 mph. .WEDNESDAY...Mostly cloudy. Lows in the mid 40s. Highs in the lower 60s. Minimum RH 55 percent. South winds up to 5 mph. $$ TNZ077-079-097-282215- Coffee-Franklin-Grundy- Including the cities of Altamont, Coalmont, Cowan, Decherd, Estill Springs, Manchester, Sewanee, Tullahoma, and Winchester 423 AM CDT Thu Oct 28 2021 Today Tonight Fri Cloud Cover Mcldy Mcldy Cloudy Temp (24H Trend) 60 (-8) 49 (+2) 54 RH % (24H Trend) 65 (+31) 99 (+9) 77 AM 20FT Wnd (mph) SE 15-19 G26 LGT/VAR PM 20FT Wnd (mph) SE 11-15 G21 S 6-10 LGT/VAR Precip Chance (%) 90 80 80 Precip Type Tstms Tstms Showers Precip Amount (in) 0.28 0.11 0.21 Precip Dur (hr) 5 5 11 Precip Begin 6 AM Continuing Continuing Precip End Continuing Continuing Continuing Mixing Hgt (m-msl) 900 700 Mixing Hgt (ft-msl) 3000 2300 Transport Wnd (m/s) S 10 SW 4 Transport Wnd (mph) S 22 SW 8 Vent Rate (m/s-m) 8524 3163 Category Day 4 2 Dispersion Index 46 17 14 LAL 2 2 1 Haines Index 3 3 3 Maximum LVORI 5 9 8 RH Recovery Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY NIGHT...Showers. Lows in the upper 40s. West winds around 5 mph. Chance of showers 80 percent. .SATURDAY...Showers likely. Highs in the mid 50s. Minimum RH 77 percent. West winds 5 to 10 mph. Chance of showers 70 percent. .SATURDAY NIGHT...Mostly cloudy. Lows in the upper 40s. Northwest winds 5 to 10 mph. .SUNDAY...Partly sunny. Highs in the lower 60s. Minimum RH 54 percent. Northwest winds up to 5 mph. .MONDAY...Mostly clear. Lows in the lower 40s. Highs in the mid 60s. Minimum RH 48 percent. North winds up to 5 mph. .TUESDAY...Partly cloudy. Lows in the lower 40s. Highs in the mid 60s. Minimum RH 47 percent. Northwest winds up to 5 mph. .WEDNESDAY...Partly cloudy. Lows in the mid 40s. Highs in the upper 50s. Minimum RH 53 percent. South winds up to 5 mph. $$
Digital Tabular Forecast

Minimum Potential Accumulation Expect at least this much. This is what we see as the least amount of snow the storm can produce. This information is for advance planning ahead of the storm. It is provided out as far as three days. However, when the snow starts to fall, this will be discontinued to focus on the forecast snow amount. Most Likely Snow Accumulation Represents our official snow forecast in inches within the next one to three days. The snowfall amounts are provided in point (single number) and ranges (1-2", 2-4", etc.). You can toggle between the two by hovering over the "Point" and "Range" text above the image. The point amount is our forecast but the range for the "most likely" represents the forecast uncertainty in predefined ranges. Maximum Potential Accumulation What you should be prepared for. This is what we see as the storm's maximum potential snowfall accumulation. This information is for advance planning ahead of the storm. It is provided out as far as three days. However, when the snow starts to fall, this will be discontinued to focus on the forecast snow amount.

Short to Long-Range Forecast

Days 1-2 Forecast Precipitation	Days 1-3 Forecast Precipitation


Days 4-5 Forecast Precipitation	Days 6-7 Forecast Precipitation


Days 6-10
Temperature	Precipitation


Days 8-14
TEMPERATURE	PRECIPITATION


Week 3-4
TEMPERATURE	PRECIPITATION