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
	253 FNUS54 KOHX 310744 FWFOHX Fire Weather Planning Forecast for Middle Tennessee National Weather Service Nashville TN 244 AM CDT Sat Jul 31 2021 .DISCUSSION... Slightly drier conditions expected today, with min RH values in the 40 to 50 percent range in the afternoon. Chances for showers and thunderstorms will move in late afternoon with best chances late evening and overnight into Sunday morning. North northwest winds around 5 to 10 mph expected today, with 10 to 15 mph northwest winds expected on Sunday. TNZ005>008-023>028-059-062-312230- 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 244 AM CDT Sat Jul 31 2021 Today Tonight Sun Cloud Cover Pcldy Mcldy Mcldy Temp (24H Trend) 91 (-1) 70 (0) 85 RH % (24H Trend) 41 (-16) 99 (+5) 48 AM 20FT Wnd (mph) LGT/VAR NW 4-8 PM 20FT Wnd (mph) NW 3-7 LGT/VAR NW 4-8 Precip Chance (%) 20 80 60 Precip Type None Tstms Tstms Precip Amount (in) 0.02 0.67 0.10 Precip Dur (hr) 6 2 Precip Begin 4 PM Continuing Continuing Precip End Continuing Continuing 6 PM Mixing Hgt (m-msl) 1700 1500 Mixing Hgt (ft-msl) 5500 4800 Transport Wnd (m/s) W 2 N 5 Transport Wnd (mph) W 5 N 10 Vent Rate (m/s-m) 6048 9396 Category Day 2 3 Dispersion Index 12 7 21 LAL 2 5 4 Haines Index 4 3 3 Maximum LVORI 10 10 10 RH Recovery Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds up to 5 mph. .MONDAY...Mostly sunny. Highs in the mid 80s. Minimum RH 40 percent. North winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds up to 5 mph. .TUESDAY...Mostly sunny. Highs in the mid 80s. Minimum RH 36 percent. North winds up to 10 mph. .WEDNESDAY...Mostly clear. Lows in the lower 60s. Highs in the mid 80s. Minimum RH 36 percent. North winds up to 5 mph. .THURSDAY...Mostly clear. Lows in the lower 60s. Highs in the upper 80s. Minimum RH 37 percent. North winds up to 5 mph. .FRIDAY...Mostly clear. Lows in the mid 60s. Highs in the upper 80s. Minimum RH 36 percent. Northwest winds up to 5 mph. $$ TNZ009>011-029>034-063>066-078-080-312230- Cannon-Clay-Cumberland-De Kalb-Fentress-Jackson-Macon-Overton- Pickett-Putnam-Smith-Trousdale-Van Buren-Warren-White- Including the cities of Allardt, Byrdstown, Carthage, Celina, Cookeville, Crossville, Gainesboro, Gordonsville, Hartsville, Jamestown, Lafayette, Livingston, McMinnville, Smithville, South Carthage, Sparta, Spencer, and Woodbury 244 AM CDT Sat Jul 31 2021 Today Tonight Sun Cloud Cover Pcldy Mcldy Mcldy Temp (24H Trend) 88 (-1) 69 (+1) 82 RH % (24H Trend) 44 (-15) 98 (0) 53 AM 20FT Wnd (mph) LGT/VAR W 3-7 PM 20FT Wnd (mph) NW 3-7 LGT/VAR NW 4-8 Precip Chance (%) 10 80 70 Precip Type None Tstms Tstms Precip Amount (in) 0.00 0.42 0.12 Precip Dur (hr) 4 5 Precip Begin 7 PM Continuing Precip End Continuing Continuing Mixing Hgt (m-msl) 1600 1500 Mixing Hgt (ft-msl) 5200 4900 Transport Wnd (m/s) W 3 NW 6 Transport Wnd (mph) W 6 NW 13 Vent Rate (m/s-m) 5852 9453 Category Day 3 4 Dispersion Index 11 4 22 LAL 1 5 5 Haines Index 4 3 3 Maximum LVORI 10 10 10 RH Recovery Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .SUNDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds up to 5 mph. .MONDAY...Partly sunny with a 20 percent chance of showers and thunderstorms. Highs in the lower 80s. Minimum RH 41 percent. North winds up to 5 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds up to 5 mph. .TUESDAY...Mostly sunny. Highs in the lower 80s. Minimum RH 41 percent. North winds up to 10 mph. .WEDNESDAY...Mostly clear. Lows in the lower 60s. Highs in the lower 80s. Minimum RH 40 percent. North winds up to 5 mph. .THURSDAY...Partly cloudy. Lows in the lower 60s. Highs in the mid 80s. Minimum RH 43 percent. North winds up to 5 mph. .FRIDAY...Mostly clear. Lows in the mid 60s. Highs in the mid 80s. Minimum RH 41 percent. Northwest winds up to 5 mph. $$ TNZ056>058-060-061-075-076-092>096-312230- 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 244 AM CDT Sat Jul 31 2021 Today Tonight Sun Cloud Cover Pcldy Pcldy Mcldy Temp (24H Trend) 92 (-1) 72 (0) 85 RH % (24H Trend) 46 (-11) 97 (-1) 59 AM 20FT Wnd (mph) LGT/VAR NW 3-7 PM 20FT Wnd (mph) NW 3-7 LGT/VAR NW 4-8 Precip Chance (%) 20 50 60 Precip Type Tstms Tstms Tstms Precip Amount (in) 0.05 0.29 0.10 Precip Dur (hr) 0 2 4 Precip Begin 4 PM Continuing Continuing Precip End Continuing Continuing Continuing Mixing Hgt (m-msl) 2000 1200 Mixing Hgt (ft-msl) 6400 4100 Transport Wnd (m/s) NW 4 NW 5 Transport Wnd (mph) NW 8 NW 12 Vent Rate (m/s-m) 12173 8433 Category Day 3 3 Dispersion Index 19 4 18 LAL 2 5 4 Haines Index 3 3 3 Maximum LVORI 10 10 10 RH Recovery Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid 60s. North winds up to 5 mph. .MONDAY...Partly sunny with a 20 percent chance of showers and thunderstorms. Highs in the mid 80s. Minimum RH 46 percent. North winds up to 5 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds up to 5 mph. .TUESDAY...Mostly sunny. Highs in the mid 80s. Minimum RH 40 percent. North winds up to 10 mph. .WEDNESDAY...Mostly clear. Lows in the lower 60s. Highs in the mid 80s. Minimum RH 39 percent. North winds up to 5 mph. .THURSDAY...Mostly clear. Lows in the lower 60s. Highs in the upper 80s. Minimum RH 38 percent. North winds up to 5 mph. .FRIDAY...Mostly clear. Lows in the mid 60s. Highs in the upper 80s. Minimum RH 38 percent. Southwest winds up to 5 mph. $$ TNZ077-079-097-312230- Coffee-Franklin-Grundy- Including the cities of Altamont, Coalmont, Cowan, Decherd, Estill Springs, Manchester, Sewanee, Tullahoma, and Winchester 244 AM CDT Sat Jul 31 2021 Today Tonight Sun Cloud Cover Pcldy Pcldy Mcldy Temp (24H Trend) 89 (-2) 70 (0) 83 RH % (24H Trend) 44 (-13) 97 (-2) 59 AM 20FT Wnd (mph) LGT/VAR W 4-8 PM 20FT Wnd (mph) NW 4-8 W 3-7 NW 4-8 Precip Chance (%) 10 60 70 Precip Type None Tstms Tstms Precip Amount (in) 0.00 0.22 0.12 Precip Dur (hr) 1 6 Precip Begin 1 AM Continuing Precip End Continuing Continuing Mixing Hgt (m-msl) 1500 1100 Mixing Hgt (ft-msl) 5000 3700 Transport Wnd (m/s) NW 3 NW 6 Transport Wnd (mph) NW 7 NW 14 Vent Rate (m/s-m) 6886 9675 Category Day 3 3 Dispersion Index 15 4 24 LAL 1 5 5 Haines Index 3 3 3 Maximum LVORI 10 9 10 RH Recovery Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid 60s. North winds up to 5 mph. .MONDAY...Partly sunny with a 20 percent chance of showers and thunderstorms. Highs in the lower 80s. Minimum RH 43 percent. North winds up to 5 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds up to 5 mph. .TUESDAY...Mostly sunny. Highs in the lower 80s. Minimum RH 40 percent. North winds up to 10 mph. .WEDNESDAY...Mostly clear. Lows in the lower 60s. Highs in the lower 80s. Minimum RH 41 percent. North winds up to 5 mph. .THURSDAY...Mostly clear. A 30 percent chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. Minimum RH 43 percent. North winds up to 5 mph. .FRIDAY...Partly cloudy. A 30 percent chance of showers and thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Minimum RH 39 percent. Southwest winds up to 5 mph. $$
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