Alligator Creek near Garfield Bight
24 mi- Level
- 0.3 ft
Reading from Sat 5:30 PM · NWS gauge page
Appearance
Ends in 8 h 23 min
Issued for this forecast zone · National Weather Service Key West FL
What
Major saltwater flooding.
Impacts
Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur.
Precautionary actions
Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.
Areas: Monroe Upper Keys
See it on weather.gov (opens in a new tab)Observed 7:55 PM EDT at KHST
Coastal Flood Warning. 76°24° and partly cloudy now.
Today: low 69°21° (likely 69°21° to 75°24°), high 83°28° (likely 82°28° to 83°28°).
Now 76°24°
Partly cloudy
None rain now, through the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 8p | Showers | 76°24° (likely 75°24° to 80°27°) | 76°24° | 20% | 15 mph24 km/h from N, gusts 24 mph39 km/h | 76% | 28% | 0 |
| Sat 9p | Clear | 75°24° (likely 74°23° to 79°26°) | 75°24° | 20% | 15 mph24 km/h from N, gusts 23 mph38 km/h | 82% | 7% | 0 |
| Sat 10p | Clear | 74°23° (likely 73°23° to 78°26°) | 74°23° | 20% | 15 mph24 km/h from N, gusts 22 mph35 km/h | 84% | 2% | 0 |
| Sat 11p | Clear | 74°23° (likely 72°22° to 77°25°) | 74°23° | 20% | 15 mph24 km/h from N, gusts 21 mph34 km/h | 84% | 5% | 0 |
| Sun 12a | Clear | 73°23° (likely 71°22° to 76°24°) | 73°23° | 20% | 15 mph24 km/h from N, gusts 22 mph35 km/h | 87% | 4% | 0 |
| Sun 1a | Clear | 72°22° (likely 71°22° to 76°24°) | 72°22° | 20% | 15 mph24 km/h from N, gusts 20 mph32 km/h | 90% | 3% | 0 |
| Sun 2a | Clear | 72°22° (likely 70°21° to 75°24°) | 72°22° | 20% | 10 mph16 km/h from N, gusts 20 mph33 km/h | 93% | 5% | 0 |
| Sun 3a | Clear | 71°22° (likely 70°21° to 74°23°) | 71°22° | 20% | 10 mph16 km/h from N, gusts 21 mph33 km/h | 93% | 1% | 0 |
| Sun 4a | Mostly clear | 70°21° (likely 69°21° to 74°23°) | 70°21° | 20% | 10 mph16 km/h from N, gusts 18 mph30 km/h | 100% | 19% | 0 |
| Sun 5a | Clear | 70°21° (likely 69°21° to 73°23°) | 70°21° | 20% | 10 mph16 km/h from N, gusts 19 mph30 km/h | 100% | 14% | 0 |
| Sun 6a | Partly cloudy | 69°21° (likely 69°21° to 73°23°) | 69°21° | 20% | 10 mph16 km/h from N, gusts 19 mph30 km/h | 100% | 38% | 0 |
| Sun 7a | Cloudy | 69°21° (likely 69°21° to 74°23°) | 69°21° | 20% | 10 mph16 km/h from N, gusts 17 mph27 km/h | 100% | 55% | 0 |
| Sun 8a | Mostly sunny | 71°22° (likely 70°21° to 74°23°) | 71°22° | 50%, 0.02 in0.5 mm | 10 mph16 km/h from N, gusts 18 mph29 km/h | 100% | 38% | 0 |
| Sun 9a | Partly sunny | 72°22° (likely 72°22° to 75°24°) | 72°22° | 50%, 0.02 in0.5 mm | 10 mph16 km/h from N, gusts 17 mph28 km/h | 100% | 49% | 1 |
| Sun 10a | Partly sunny | 77°25° (likely 75°24° to 77°25°) | 77°25° | 50%, 0.02 in0.5 mm | 10 mph16 km/h from N, gusts 17 mph28 km/h | 88% | 57% | 3 |
| Sun 11a | Sunny | 79°26° (likely 78°26° to 80°27°) | 79°26° | 50%, 0.02 in0.5 mm | 10 mph16 km/h from NE, gusts 17 mph27 km/h | 82% | 37% | 4 |
| Sun 12p | Mostly sunny | 81°27° (likely 79°26° to 81°27°) | 86°30° | 50%, 0.02 in0.5 mm | 10 mph16 km/h from NE, gusts 19 mph30 km/h | 77% | 43% | 6 |
| Sun 1p | Cloudy | 82°28° (likely 75°24° to 82°28°) | 87°31° | 50%, 0.02 in0.5 mm | 10 mph16 km/h from NE, gusts 25 mph40 km/h | 74% | 72% | 7 |
| Sun 2p | Cloudy | 83°28° (likely 75°24° to 83°28°) | 89°32° | 50%, 0.05 in1.3 mm | 15 mph24 km/h from NE, gusts 25 mph41 km/h | 72% | 58% | 7 |
| Sun 3p | Cloudy | 82°28° (likely 76°24° to 82°28°) | 87°31° | 50%, 0.05 in1.3 mm | 15 mph24 km/h from NE, gusts 22 mph36 km/h | 74% | 75% | 6 |
| Sun 4p | Cloudy | 82°28° (likely 75°24° to 82°28°) | 87°31° | 50%, 0.05 in1.3 mm | 15 mph24 km/h from NE, gusts 26 mph42 km/h | 74% | 69% | 5 |
| Sun 5p | Mostly sunny | 83°28° (likely 75°24° to 83°28°) | 89°32° | 50%, 0.05 in1.3 mm | 15 mph24 km/h from NE, gusts 25 mph40 km/h | 72% | 49% | 3 |
| Sun 6p | Cloudy | 80°27° (likely 74°23° to 80°27°) | 84°29° | 50%, 0.05 in1.3 mm | 15 mph24 km/h from NE, gusts 29 mph47 km/h | 79% | 80% | 1 |
| Sun 7p | Thunderstorms | 78°26° (likely 72°22° to 78°26°) | 78°26° | 50%, 0.05 in1.3 mm | 15 mph24 km/h from NE, gusts 29 mph46 km/h | 85% | 62% | 0 |
| Sun 8p | Cloudy | 77°25° (likely 72°22° to 79°26°) | 77°25° | 60%, 0.11 in2.8 mm | 15 mph24 km/h from NE, gusts 29 mph47 km/h | 88% | 78% | 0 |
| Sun 9p | Thunderstorms | 76°24° (likely 72°22° to 78°26°) | 76°24° | 60%, 0.11 in2.8 mm | 15 mph24 km/h from NE, gusts 24 mph38 km/h | 90% | 73% | 0 |
| Sun 10p | Heavy rain | 75°24° (likely 71°22° to 79°26°) | 75°24° | 60%, 0.11 in2.8 mm | 15 mph24 km/h from NE, gusts 29 mph46 km/h | 97% | 76% | 0 |
| Sun 11p | Cloudy | 75°24° (likely 73°23° to 78°26°) | 75°24° | 60%, 0.11 in2.8 mm | 15 mph24 km/h from NE, gusts 28 mph45 km/h | 97% | 63% | 0 |
| Mon 12a | Cloudy | 75°24° (likely 74°23° to 78°26°) | 75°24° | 60%, 0.11 in2.8 mm | 15 mph24 km/h from NE, gusts 24 mph39 km/h | 94% | 69% | 0 |
| Mon 1a | Mostly clear | 74°23° (likely 74°23° to 78°26°) | 74°23° | 60%, 0.11 in2.8 mm | 15 mph24 km/h from NE, gusts 28 mph46 km/h | 100% | 48% | 0 |
| Mon 2a | Clear | 74°23° (likely 74°23° to 78°26°) | 74°23° | 60%, 0.17 in4.3 mm | 15 mph24 km/h from NE, gusts 26 mph42 km/h | 100% | 32% | 0 |
| Mon 3a | Partly cloudy | 73°23° (likely 73°23° to 78°26°) | 73°23° | 60%, 0.17 in4.3 mm | 15 mph24 km/h from NE, gusts 26 mph41 km/h | 100% | 59% | 0 |
| Mon 4a | Cloudy | 73°23° (likely 73°23° to 78°26°) | 73°23° | 60%, 0.17 in4.3 mm | 15 mph24 km/h from NE, gusts 24 mph38 km/h | 100% | 63% | 0 |
| Mon 5a | Showers | 73°23° (likely 73°23° to 78°26°) | 73°23° | 60%, 0.17 in4.3 mm | 15 mph24 km/h from NE, gusts 24 mph38 km/h | 100% | 71% | 0 |
| Mon 6a | Cloudy | 73°23° (likely 73°23° to 77°25°) | 73°23° | 60%, 0.17 in4.3 mm | 15 mph24 km/h from NE, gusts 24 mph39 km/h | 100% | 70% | 0 |
| Mon 7a | Partly sunny | 72°22° (likely 72°22° to 77°25°) | 72°22° | 60%, 0.17 in4.3 mm | 15 mph24 km/h from NE, gusts 29 mph47 km/h | 100% | 59% | 0 |
| Mon 8a | Cloudy | 73°23° (likely 72°22° to 78°26°) | 73°23° | 60%, 0.1 in2.5 mm | 15 mph24 km/h from NE, gusts 30 mph49 km/h | 100% | 74% | 0 |
| Mon 9a | Cloudy | 76°24° (likely 74°23° to 78°26°) | 76°24° | 60%, 0.1 in2.5 mm | 15 mph24 km/h from NE, gusts 24 mph39 km/h | 94% | 75% | 0 |
| Mon 10a | Cloudy | 79°26° (likely 75°24° to 79°26°) | 79°26° | 60%, 0.1 in2.5 mm | 15 mph24 km/h from NE, gusts 26 mph42 km/h | 85% | 78% | 1 |
| Mon 11a | Drizzle | 81°27° (likely 76°24° to 81°27°) | 86°30° | 60%, 0.1 in2.5 mm | 15 mph24 km/h from NE, gusts 32 mph51 km/h | 79% | 75% | 4 |
| Mon 12p | Heavy rain | 82°28° (likely 75°24° to 82°28°) | 88°31° | 60%, 0.1 in2.5 mm | 15 mph24 km/h from NE, gusts 33 mph52 km/h | 77% | 76% | 6 |
| Mon 1p | Cloudy | 82°28° (likely 78°26° to 82°28°) | 88°31° | 60%, 0.1 in2.5 mm | 15 mph24 km/h from NE, gusts 33 mph53 km/h | 77% | 71% | 6 |
| Mon 2p | Drizzle | 83°28° (likely 76°24° to 83°28°) | 90°32° | 60%, 0.09 in2.3 mm | 15 mph24 km/h from NE, gusts 33 mph54 km/h | 74% | 62% | 7 |
| Mon 3p | Drizzle | 83°28° (likely 78°26° to 83°28°) | 90°32° | 60%, 0.09 in2.3 mm | 15 mph24 km/h from NE, gusts 32 mph52 km/h | 74% | 41% | 6 |
| Mon 4p | Drizzle | 82°28° (likely 78°26° to 82°28°) | 88°31° | 60%, 0.09 in2.3 mm | 15 mph24 km/h from NE, gusts 31 mph50 km/h | 77% | 43% | 5 |
| Mon 5p | Drizzle | 82°28° (likely 77°25° to 82°28°) | 88°31° | 60%, 0.09 in2.3 mm | 15 mph24 km/h from NE, gusts 32 mph52 km/h | 77% | 36% | 3 |
| Mon 6p | Drizzle | 80°27° (likely 77°25° to 80°27°) | 85°29° | 60%, 0.09 in2.3 mm | 15 mph24 km/h from NE, gusts 32 mph52 km/h | 82% | 29% | 1 |
| Mon 7p | Drizzle | 78°26° (likely 76°24° to 79°26°) | 78°26° | 60%, 0.09 in2.3 mm | 15 mph24 km/h from NE, gusts 32 mph52 km/h | 85% | 36% | 0 |
Evening
6 PM–midnight
20% chance
Overnight
midnight–6 AM
20% chance
Official NWS forecast
Tonight: A slight chance of rain showers. Mostly clear, with a low around 69. North wind 10 to 15 mph. Chance of precipitation is 20%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
50% chance · 0.08 in2 mm
Afternoon
noon–6 PM
50% chance · 0.24 in6.1 mm
Evening
6 PM–midnight
60% chance · 0.54 in14 mm
Overnight
midnight–6 AM
60% chance · 0.9 in23 mm
Official NWS forecast
Day: A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Sunny, with a high near 83. North wind 10 to 15 mph. Chance of precipitation is 50%.
Night: Showers and thunderstorms likely. Partly cloudy, with a low around 72. Northeast wind around 15 mph. Chance of precipitation is 60%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
60% chance · 0.74 in19 mm
Afternoon
noon–6 PM
60% chance · 0.56 in14 mm
Evening
6 PM–midnight
60% chance · 0.24 in6 mm
Overnight
midnight–6 AM
40% chance · 0.05 in1.2 mm
Official NWS forecast
Day: Showers and thunderstorms likely. Sunny, with a high near 84. Northeast wind around 15 mph. Chance of precipitation is 60%.
Night: Showers and thunderstorms likely. Partly cloudy, with a low around 74. Northeast wind 10 to 15 mph. Chance of precipitation is 60%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
30% chance · 0.02 in0.4 mm
Afternoon
noon–6 PM
30% chance · 0.02 in0.6 mm
Evening
6 PM–midnight
30% chance · 0.03 in0.9 mm
Overnight
midnight–6 AM
30% chance · 0.04 in1.1 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of showers and thunderstorms. Sunny, with a high near 84. Chance of precipitation is 50%.
Night: A chance of showers and thunderstorms. Mostly clear, with a low around 77. Chance of precipitation is 30%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
20% chance · 0.08 in2.1 mm
Afternoon
noon–6 PM
30% chance · 0.01 in0.3 mm
Evening
6 PM–midnight
30% chance · 0.04 in1.1 mm
Overnight
midnight–6 AM
30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Sunny, with a high near 83. Chance of precipitation is 30%.
Night: A chance of rain showers. Mostly clear, with a low around 78. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
20% chance
Afternoon
noon–6 PM
30% chance · 0.04 in0.9 mm
Evening
6 PM–midnight
30% chance
Overnight
midnight–6 AM
20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Sunny, with a high near 83. Chance of precipitation is 30%.
Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms. Mostly clear, with a low around 77. Chance of precipitation is 30%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
20% chance
Evening
6 PM–midnight
20% chance
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of showers and thunderstorms. Sunny, with a high near 83. Chance of precipitation is 20%.
Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 77. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
20% chance
Evening
6 PM–midnight
20% chance
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of showers and thunderstorms. Sunny, with a high near 83. Chance of precipitation is 30%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
20% chance · 0.02 in0.6 mm
Evening
6 PM–midnight
20% chance · 0.01 in0.3 mm
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Dry, high 83°, low 69°.
50% chance of rain, high 83°, low 72°.
63% chance of rain, high 84°, low 74°.
Highs 82–84°; chance of precipitation on Tuesday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (KEY) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Reading from Sat 5:30 PM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 77% less cooling than a typical week.
Cooling degree days, base 65°F
Sticky, humid air (dew point 66°F).
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Today’s expected high is 2°1° colder than typical.
On average 2°1° colder than normal (daily mean temperature).
Key Largo weather by month: normals, records, snow and freeze dates
Sunrise 7:24 AM, sunset 6:46 PM.
Mostly clear 9 PM–6 AM, but the moon is 99% lit and up.
Waxing gibbous
98% lit · growing