Severe Thunderstorm Watch 9:00 PM Excessive Heat Watch 7:00 PM Extreme Heat Warning — Suwannee, FL, Baker, FL, Inland Nassau, FL, Union, FL, Bradford, FL, Gilchrist, FL, Eastern Hamilton, FL, Coastal Nassau, FL, Coastal Duval, FL, Eastern Clay, FL, Eastern Alachua, FL, Eastern Putnam, FL, Western Hamilton, FL, Trout River, FL, Western Clay, FL, Northeast Coastal St. Johns, FL, Western Alachua, FL, Western Putnam, FL, Northern Columbia, FL, South Central Duval, FL, Southeast Coastal St. Johns, FL, Southeastern Columbia, FL, Western Duval, FL, Northern Inland St. Johns, FL, Southwestern Columbia, FL, Southern Inland St. Johns, FL, Western St. Johns, FL, Inland Glynn, GA, Coastal Glynn, GA, Echols, GA, Clinch, GA, Inland Camden, GA, Coastal Camden, GA, Northeastern Charlton, GA, Southern Ware, GA, Western Charlton, GA 7:00 PM

Hamilton County, Florida, United States

Last updated: 5:19 PM CDT  ·  Refresh
31°C
Feels like 35°
Thunderstorm
▲ 37°  /  ▼ 23°
Wind
8 mph WSW
Humidity
60%
Dew Point
24°
Pressure
29.68 inHg
Visibility
10 mi
UV Index
3.7
Cloud Cover
74%
Sunrise
6:48 AM
Sunset
8:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Hamilton County is currently thunderstorm at 31°C. Precipitation is likely — peak probability 75% around 6 PM. Atmospheric instability is elevated (CAPE up to 2377 J/kg) — isolated convective development possible. Sunrise: 6:48AM · Sunset: 8:28PM.

Alerts

Severe Thunderstorm Watch
Expires 9:00 PM
Excessive Heat Watch
Expires 7:00 PM
Extreme Heat Warning
Suwannee, FL, Baker, FL, Inland Nassau, FL, Union, FL, Bradford, FL, Gilchrist, FL, Eastern Hamilton, FL, Coastal Nassau, FL, Coastal Duval, FL, Eastern Clay, FL, Eastern Alachua, FL, Eastern Putnam, FL, Western Hamilton, FL, Trout River, FL, Western Clay, FL, Northeast Coastal St. Johns, FL, Western Alachua, FL, Western Putnam, FL, Northern Columbia, FL, South Central Duval, FL, Southeast Coastal St. Johns, FL, Southeastern Columbia, FL, Western Duval, FL, Northern Inland St. Johns, FL, Southwestern Columbia, FL, Southern Inland St. Johns, FL, Western St. Johns, FL, Inland Glynn, GA, Coastal Glynn, GA, Echols, GA, Clinch, GA, Inland Camden, GA, Coastal Camden, GA, Northeastern Charlton, GA, Southern Ware, GA, Western Charlton, GA
Expires 7:00 PM
62 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
60%
7 PM
29°
66%
8 PM
29°
50%
9 PM
28°
56%
10 PM
27°
66%
11 PM
26°
67%
12 AM
26°
65%
1 AM
26°
58%
2 AM
25°
51%
3 AM
25°
37%
4 AM
24°
37%
5 AM
24°
38%
6 AM
23°
38%
7 AM
23°
35%
8 AM
23°
35%
9 AM
24°
39%
10 AM
26°
47%
11 AM
27°
47%
12 PM
28°
51%
1 PM
31°
54%
2 PM
33°
62%
3 PM
33°
63%
4 PM
33°
67%
5 PM
32°
67%
7-Day Forecast
Tonight
37° 23°
Thunderstorm, 60% chance.
Thu
36° 23°
Mostly Clear with a 74% chance of rain.
Fri
37° 22°
Mostly Cloudy with a 59% chance of rain.
Sat
35° 23°
Heavy Rain, 79% chance.
Sun
34° 22°
Rain, 90% chance.
Mon
34° 21°
Rain, 90% chance.
Tue
35° 21°
Drizzle, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Thunderstorm 60% 8 mph WSW 60%
7 PM 29° Mostly Cloudy 66% 11 mph SW 68%
8 PM 29° Overcast 50% 9 mph SW 72%
9 PM 28° Overcast 56% 8 mph SW 75%
10 PM 27° Overcast 66% 8 mph SW 78%
11 PM 26° Overcast 67% 8 mph SW 80%
12 AM 26° Rain 65% 7 mph SW 80%
1 AM 26° Overcast 58% 6 mph WSW 80%
2 AM 25° Overcast 51% 6 mph WSW 80%
3 AM 25° Mostly Cloudy 37% 6 mph WSW 81%
4 AM 24° Mostly Cloudy 37% 5 mph WSW 81%
5 AM 24° Partly Cloudy 38% 5 mph WSW 81%
6 AM 23° Mostly Clear 38% 5 mph WSW 82%
7 AM 23° Mostly Clear 35% 5 mph WSW 84%
8 AM 23° Clear 35% 6 mph WSW 82%
9 AM 24° Clear 39% 6 mph WSW 77%
10 AM 26° Clear 47% 6 mph WSW 72%
11 AM 27° Mostly Clear 47% 6 mph WSW 67%
12 PM 28° Mostly Clear 51% 6 mph WSW 64%
1 PM 31° Mostly Clear 54% 7 mph WSW 62%
2 PM 33° Partly Cloudy 62% 7 mph WSW 61%
3 PM 33° Partly Cloudy 63% 6 mph WSW 61%
4 PM 33° Partly Cloudy 67% 6 mph SW 61%
5 PM 32° Partly Cloudy 67% 6 mph SW 63%
15-Day Forecast
Today
7/29
Thunderstorm
60%
23°
37°
Thu
7/30
Mostly Clear
74%
23°
36°
Fri
7/31
Mostly Cloudy
59%
22°
37°
Sat
8/1
Heavy Rain
79%
23°
35°
Sun
8/2
Rain
90%
22°
34°
Mon
8/3
Rain
90%
21°
34°
Tue
8/4
Drizzle
82%
21°
35°
Wed
8/5
Drizzle
60%
22°
36°
Thu
8/6
Drizzle
68%
22°
37°
Fri
8/7
Drizzle
60%
22°
37°
Sat
8/8
Drizzle
67%
22°
37°
Sun
8/9
Drizzle
60%
24°
37°
Mon
8/10
Drizzle
60%
24°
38°
Tue
8/11
Drizzle
60%
24°
38°
Wed
8/12
Drizzle
60%
24°
38°
62
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
62 AQI 15.0 µg/m³
O3
Ground-level ozone
35 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 62 Moderate 35 62
Fri 56 Moderate 32 56
Sat 60 Moderate 40 60
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Jul 29, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2504 J/kg
MLCAPE2455 J/kg
MUCAPE2915 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.1
Kinematics
0–6 km Shear10 kt
0–1 km Shear10 kt
Eff. Shear15 kt
0–1 km SRH-40
0–3 km SRH-30
Eff. SRH-30
Storm Motion236° @ 19 kt
0–1 km EHI-0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index40.3
Thermo & Levels
PWAT2.63 in
0–3 km LR6.8 °C/km
700–500 LR5.6 °C/km
Total Totals49.8
LCL907 hPa
LFC1005 hPa
EL153 hPa
Freezing Lvl15,673 ft