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(based on the NWS County Digital Forecast)
ISSUED AT 03:00 UTC ON WEDNESDAY APR 24 2024
| DAY | WEDNESDAY | |||||||||||||||||||||||
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| EDT 3HR | MIDN | 1A | 2A | 3A | 4A | 5A | 6A | 7A | 8A | 9A | 10A | 11A | NOON | 1P | 2P | 3P | 4P | 5P | 6P | 7P | ||||
| MAX/MIN | -- | -- | -- | -- | -- | -- | -- | -- | 49° | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 67° | ||||
| TEMP | 56° | 56° | 54° | 54° | 52° | 52° | 50° | 50° | 52° | 52° | 54° | 56° | 58° | 61° | 63° | 65° | 67° | 67° | 65° | 63° | ||||
| SKY COVER | 89% | 83% | 76% | 72% | 67% | 62% | 60% | 57% | 55% | 55% | 55% | 55% | 47% | 39% | 31% | 23% | 15% | 7% | 8% | 8% | ||||
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| DEW PT | 52° | 54° | 52° | 52° | 52° | 50° | 49° | 49° | 47° | 47° | 47° | 47° | 47° | 47° | 47° | 45° | 43° | 41° | 41° | 40° | ||||
| RH | 86% | 93% | 92% | 95% | 96% | 96% | 96% | 92% | 86% | 79% | 74% | 69% | 64% | 57% | 54% | 46% | 42% | 40% | 42% | 43% | ||||
| POP 12HR | -- | -- | -- | -- | -- | -- | -- | -- | 90% | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | ||||
| RAIN/SNOW (liq.equ) | -- | -- | 0.16in | -- | -- | -- | -- | -- | 0.01in | -- | -- | -- | -- | -- | 0.00in | -- | -- | -- | -- | -- | ||||
| SNOWFALL | -- | -- | 0in | -- | -- | -- | -- | -- | 0in | -- | -- | -- | -- | -- | 0in | -- | -- | -- | -- | -- | ||||
| WIND SPEED(MPH) | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 9 | 9 | 9 | 9 | 8 | 8 | ||||
| WIND Gust(MPH) | 13 | 13 | 13 | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 13 | 14 | 15 | 15 | 15 | 14 | 13 | ||||
| WIND DIR | W | W | W | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | N | N | N | N | ||||
| DEW | Mod Dew | Mod Dew | Mod Dew | Mod Dew | Mod Dew | Mod Dew | Mod Dew | Mod Dew | Mod Dew | Mod Dew | Lgt Dew | Lgt Dew | -- | -- | -- | -- | -- | -- | -- | -- | ||||
| HeatIndex | 56 | 56 | 54 | 54 | 52 | 52 | 50 | 50 | 52 | 52 | 54 | 56 | 58 | 61 | 63 | 65 | 67 | 67 | 65 | 63 | ||||
| Rain Showers | Likely | Chance | Chance | Slight Chance | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | ||||
| Thunder Storm | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | ||||
| WIND CHILL | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | ||||
| SPRAY COND |  | | | | | | | | | | | | | |  | | | | | | ||||
| DRY COND |  | | | | | | | | | | | | | | | | | | | | ||||
| LIVESTOCK COLDSTRESS |  | | | | | | | | | | | | | | | | | | | | ||||
| LIVESTOCK HEATSTRESS | 56.22 | 56.11 | 54.21 | 54.13 | 52.15 | 52.15 | 50.19 | 50.39 | 52.52 | 52.79 | 54.69 | 56.48 | 58.16 | 60.48 | 61.94 | 63.16 | 64.38 | 64.29 | 63.02 | 61.68 | ||||
| DAY | THURSDAY | FRIDAY | SATURDAY | SUNDAY | MONDAY | TUESDAY | |||||||||||||||||||||||||||||||||||||
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| EDT 6HR | 8P | 9P | 10P | 11P | MIDN | 1A | 2A | 3A | 4A | 5A | 6A | 7A | 8A | 9A | 10A | 11A | 2P | 5P | 8P | 11P | 2A | 5A | 8A | 11A | 2P | 5P | 8P | 2A | 8A | 2P | 8P | 2A | 8A | 2P | 8P | 2A | 8A | 2P | 8P | 2A | 8A | 2P | 8P |
| MAX/MIN | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 38° | -- | -- | -- | -- | 67° | -- | -- | -- | -- | 45° | -- | -- | 70° | -- | -- | 63° | 79° | -- | -- | 63° | 83° | -- | -- | 65° | 77° | -- | -- | 58° | 74° | -- |
| TEMP | 61° | 56° | 52° | 49° | 47° | 45° | 43° | 40° | 40° | 40° | 38° | 38° | 40° | 45° | 49° | 54° | 63° | 65° | 61° | 52° | 49° | 47° | 49° | 61° | 67° | 68° | 67° | 65° | 63° | 76° | 76° | 67° | 65° | 79° | 77° | 68° | 65° | 74° | 72° | 63° | 61° | 72° | 70° |
| SKY COVER | 11% | 5% | 5% | 4% | 4% | 4% | 4% | 8% | 12% | 16% | 17% | 19% | 20% | 19% | 18% | 17% | 15% | 13% | 12% | 36% | 49% | 61% | 64% | 77% | 85% | 82% | 84% | 83% | 85% | 64% | 36% | 49% | 47% | 57% | 41% | 60% | 71% | 76% | 72% | 75% | 59% | 46% | 29% |
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| DEW PT | 41° | 41° | 40° | 40° | 38° | 38° | 38° | 36° | 36° | 36° | 34° | 34° | 34° | 36° | 38° | 40° | 43° | 43° | 43° | 38° | 38° | 36° | 40° | 49° | 56° | 58° | 56° | 54° | 56° | 61° | 58° | 56° | 58° | 61° | 58° | 56° | 58° | 63° | 59° | 58° | 56° | 58° | 56° |
| RH | 48% | 57% | 61% | 68% | 71% | 76% | 82% | 85% | 89% | 85% | 85% | 82% | 79% | 73% | 66% | 59% | 47% | 42% | 49% | 58% | 65% | 68% | 71% | 64% | 69% | 70% | 68% | 70% | 78% | 60% | 53% | 68% | 75% | 54% | 52% | 65% | 77% | 68% | 63% | 84% | 86% | 61% | 61% |
| POP 12HR | 0% | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0% | -- | -- | -- | -- | -- | 4% | -- | -- | -- | 11% | -- | -- | -- | 48% | -- | 32% | -- | 20% | -- | 11% | -- | 21% | -- | 45% | -- | 63% | -- | 56% | -- | 35% |
| RAIN/SNOW (liq.equ) | 0.00in | -- | -- | -- | -- | -- | 0.00in | -- | -- | -- | -- | -- | 0.00in | -- | -- | -- | 0.00in | -- | 0.00in | -- | 0.00in | -- | 0.00in | -- | 0.01in | -- | 0.07in | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| SNOWFALL | 0in | -- | -- | -- | -- | -- | 0in | -- | -- | -- | -- | -- | 0in | -- | -- | -- | 0in | -- | 0in | -- | 0in | -- | 0in | -- | 0in | -- | 0in | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WIND SPEED(MPH) | 7 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 7 | 8 | 8 | 9 | 10 | 16 | 16 | 17 | 18 | 21 | 23 | 18 | 18 | 16 | 22 | 17 | 16 | 17 | 18 | 16 | 13 | 9 | 14 | 10 |
| WIND DIR | N | N | N | NE | NE | NE | NE | NE | NE | NE | NE | E | E | E | E | E | E | NE | NE | E | E | E | E | SE | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | W | W |
| HeatIndex | 61 | 56 | 52 | 46 | 43 | 40 | 38 | 35 | 34 | 34 | 33 | 33 | 35 | 40 | 46 | 54 | 63 | 65 | 61 | 52 | 45 | 42 | 44 | 61 | 67 | 68 | 67 | 65 | 63 | 76 | 76 | 67 | 65 | 79 | 77 | 68 | 65 | 74 | 72 | 63 | 61 | 72 | 70 |
| Rain Showers | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Chance | Chance | Chance | Chance | Chance | Chance | Slight Chance | -- | -- | -- | -- | Slight Chance | Chance | Chance | Likely | Likely | Likely | Chance | Chance | Chance | Slight Chance |
| Thunder Storm | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | Slight Chance | Slight Chance | Slight Chance | -- | -- | -- | -- | -- | -- | Slight Chance | Chance | Slight Chance | Slight Chance | Chance | Chance | Slight Chance | -- | -- | -- |
| WIND CHILL | -- | -- | -- | -- | -- | 41° | 39° | 35° | 35° | 35° | 33° | 33° | 35° | 41° | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| SPRAY COND | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| DRY COND | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| LIVESTOCK COLDSTRESS | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| LIVESTOCK HEATSTRESS | 60.37 | 56.66 | 53.46 | 50.72 | 48.88 | 46.82 | 44.56 | 41.55 | 41.14 | 41.55 | 39.72 | 40.06 | 42.17 | 47.05 | 50.83 | 55.08 | 61.78 | 63.02 | 60.38 | 53.57 | 50.89 | 49.08 | 50.56 | 60.56 | 65.60 | 66.48 | 65.56 | 63.98 | 62.49 | 72.22 | 71.55 | 65.56 | 64.15 | 73.89 | 72.20 | 66.23 | 64.22 | 71.32 | 69.31 | 62.63 | 60.83 | 69.17 | 67.60 |
Click on individual weather variable above in left-hand column (ie., TEMP, RH, QPF 12HR) to view state forecast maps
NWS 48 Hr. Forecast Maps,Regional Hourly Observations For JEFFERSON County, Kentucky
Issued at 1100 PM EDT TUE APR 23 2024
NORTH CENTRAL KENTUCKY CITY SKY/WX TMP DP RH WIND PRES REMARKS LOUISVILLE/SDF CLOUDY 59 53 80 CALM 29.97F LOUISVILLE/LOU CLOUDY 56 54 93 S3 29.97S FORT KNOX LGT RAIN 57 53 87 CALM 29.95F
Current NOWCAST not available:
Nowcasts are not issued routinely during fair weather. Only when
precipitation or other significant weather is occuring in this county will these
forecasts be issued. Currently, there is no short term forecast in effect.
Fire Weather Forecast For JEFFERSON County, KY
Provided by the National Weather Service:
Issued at: Tue Apr 23 23:05:01 EDT 2024
328 PM EDT Tue Apr 23 2024
Tonight Wed Wed Night Thu
CLOUD COVER Mcldy Pcldy Mclear Mclear
PRECIP TYPE Showers None None None
CHANCE PRECIP (%) 80 0 0 0
TEMP (24H TREND) 47 (+5) 67 (-5) 37 68
RH % (24H TREND) 98 (+33) 37 (+4) 91 37
20FTWND-VAL/AM(MPH) NW 5 E 5
20FTWND-RDG/PM(MPH) W 8 G19 N 6 N 6 Lgt/Var
PRECIP AMOUNT 0.24 0.00 0.00 0.00
MIXING HGT(FT-AGL/MSL) 6189 4566
TRANSPORT WND (MPH) N 14 E 7
VENT RATE (KT-FT) 70954 33784
DISPERSION Good Marginal
DSI MOD UNSTBL SLGT UNSTBL SLGT UNSTBL SLGT UNSTBL
LAL 1 1 1 1
HAINES INDEX 4 4 4 4
ADI EARLY 26 FAIR 44 GEN GOOD 8 POOR 34 FAIR
ADI LATE 9 POOR 80 GOOD 6 VERY POOR 37 FAIR
MAX LVORI EARLY 5 5 3 5
MAX LVORI LATE 6 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
.FRIDAY...Mostly cloudy. Chance of rain showers and slight chance
of thunderstorms. Lows in the mid 40s. Highs around 70. Northeast
winds around 5 mph with gusts to around 30 mph.
.SATURDAY...Mostly cloudy. Chance of showers. Lows in the lower
60s. Highs around 80. South winds 10 to 20 mph with gusts to
around 40 mph.
.SUNDAY...Partly cloudy. Lows in the mid 60s. Highs in the lower
80s. South winds 10 to 20 mph with gusts to around 35 mph.
.MONDAY...Mostly cloudy with showers likely and chance of
thunderstorms. Lows in the mid 60s. Highs in the upper 70s. South
winds around 15 mph with gusts to around 30 mph.
.TUESDAY...Mostly cloudy. A 50 percent chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 70s. West
winds 5 to 15 mph with gusts to around 30 mph.
SPC's Fire Weather Web Tool (Excellent!), SPC's Fire Weather Outlooks, NWS Fire Weather WEB, Fire Danger Class Map,
Keetch-Byram Drought Index, ROMAN Web, Haines Index ,
WFAS's 10-hr Dead Fuel Moist., WFAS's 100-hr Dead Fuel Moist., Probablity of Ignition, Visual blackness Map, Palmer Drought Index, HPC's Rainfall Forecast Maps
Hazardous Weather Outlook For JEFFERSON County, Kentucky
407 PM EDT Tue Apr 23 2024 /307 PM CDT Tue Apr 23 2024/
DAY ONE Tonight.
No hazardous weather is expected at this time.
DAYS TWO THROUGH SEVEN Wednesday through Monday.
No hazardous weather is expected at this time.
SPOTTER INFORMATION STATEMENT
Spotter activation is not expected at this time.
Latest JEFFERSON County, Kentucky Watches, Warnings and Advisories.
Additional Drought Info.:
UKAWC Drought Page,
Kentucky Drought Watch
7-Day Forecast For JEFFERSON County, KY
TONIGHT
Mostly cloudy. Rain showers in the evening. Rain showers likely after midnight. Lows around 50. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. Chance of showers 90 percent.
WEDNESDAY
Partly sunny in the morning then clearing. Highs in the upper 60s. Northwest winds 5 to 10 mph.
WEDNESDAY NIGHT
Colder. Mostly clear. Lows around 40. Northeast winds 5 to 10 mph.
THURSDAY
Sunny. Highs in the upper 60s. East winds 5 to 10 mph.
THURSDAY NIGHT
Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s. East winds 5 to 10 mph.
FRIDAY
Mostly cloudy. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 50 percent.
FRIDAY NIGHT
Warmer. Mostly cloudy with chance of showers and slight chance of thunderstorms. Lows in the mid 60s. Chance of precipitation 50 percent.
SATURDAY
Breezy. Partly sunny. Chance of showers in the morning, then slight chance of showers in the afternoon. Highs in the lower 80s. Chance of showers 40 percent.
SATURDAY NIGHT
Partly cloudy. Lows in the mid 60s.
SUNDAY
Breezy. Partly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s.
SUNDAY NIGHT
Partly cloudy in the evening then becoming mostly cloudy. A 50 percent chance of thunderstorms. Lows in the mid 60s.
MONDAY
Showers likely and slight chance of thunderstorms in the morning, then showers likely and chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 70 percent.
MONDAY NIGHT
Showers likely and chance of thunderstorms. Lows around 60. Chance of precipitation 60 percent.
TUESDAY
Mostly sunny. Chance of showers and slight chance of thunderstorms in the morning, then chance of showers in the afternoon. Highs in the mid 70s. Chance of precipitation 50 percent.
