Gallatin County, Illinois, United States

Last updated: 10:05 PM CDT  ·  Refresh
26°C
Feels like 28°
Clear
▲ 33°  /  ▼ 19°
Wind
6 mph NNW
Humidity
82%
Dew Point
21°
Pressure
29.44 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
5:47 AM
Sunset
8:10 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Gallatin County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Sunrise: 5:47AM · Sunset: 8:10PM.

Alerts

No active alerts for this location.
47 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
3%
11 PM
24°
14%
12 AM
24°
7%
1 AM
23°
3%
2 AM
22°
3%
3 AM
21°
3%
4 AM
21°
4%
5 AM
19°
4%
6 AM
19°
4%
7 AM
19°
5%
8 AM
21°
5%
9 AM
23°
5%
10 AM
24°
5%
11 AM
25°
5%
12 PM
26°
5%
1 PM
28°
5%
2 PM
28°
5%
3 PM
28°
5%
4 PM
28°
3%
5 PM
28°
3%
6 PM
27°
3%
7 PM
27°
3%
8 PM
26°
3%
9 PM
22°
3%
7-Day Forecast
Tonight
33° 19°
Clear.
Wed
29° 17°
Partly Cloudy.
Thu
27° 14°
Mostly Clear.
Fri
23° 16°
Overcast with a 58% chance of rain.
Sat
29° 18°
Clear with a 58% chance of rain.
Sun
34° 22°
Clear with a 30% chance of rain.
Mon
35° 23°
Clear with a 41% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 3% 6 mph NNW 82%
11 PM 24° Clear 14% 5 mph NNW 84%
12 AM 24° Clear 7% 6 mph NNW 87%
1 AM 23° Clear 3% 6 mph NNW 88%
2 AM 22° Clear 3% 5 mph NNW 90%
3 AM 21° Clear 3% 5 mph NW 92%
4 AM 21° Mostly Clear 4% 5 mph NNW 94%
5 AM 19° Clear 4% 5 mph NNW 94%
6 AM 19° Clear 4% 6 mph NNW 93%
7 AM 19° Clear 5% 6 mph N 92%
8 AM 21° Mostly Clear 5% 7 mph N 87%
9 AM 23° Mostly Clear 5% 7 mph NNE 83%
10 AM 24° Partly Cloudy 5% 8 mph NNE 79%
11 AM 25° Partly Cloudy 5% 8 mph NNE 75%
12 PM 26° Mostly Cloudy 5% 9 mph NNE 71%
1 PM 28° Overcast 5% 10 mph NNE 67%
2 PM 28° Overcast 5% 10 mph NNE 65%
3 PM 28° Overcast 5% 11 mph NNE 64%
4 PM 28° Mostly Cloudy 3% 11 mph NNE 63%
5 PM 28° Mostly Cloudy 3% 11 mph NNE 66%
6 PM 27° Mostly Cloudy 3% 10 mph NNE 68%
7 PM 27° Partly Cloudy 3% 10 mph NNE 70%
8 PM 26° Partly Cloudy 3% 10 mph NNE 73%
9 PM 22° Mostly Clear 3% 9 mph NNE 75%
15-Day Forecast
Today
7/21
Clear
3%
19°
33°
Wed
7/22
Partly Cloudy
5%
17°
29°
Thu
7/23
Mostly Clear
3%
14°
27°
Fri
7/24
Overcast
58%
16°
23°
Sat
7/25
Clear
58%
18°
29°
Sun
7/26
Clear
30%
22°
34°
Mon
7/27
Clear
41%
23°
35°
Tue
7/28
Clear
28%
19°
32°
Wed
7/29
Drizzle
44%
18°
29°
Thu
7/30
Drizzle
44%
15°
29°
Fri
7/31
Clear
36%
16°
29°
Sat
8/1
Drizzle
60%
18°
30°
Sun
8/2
Clear
60%
19°
31°
Mon
8/3
Drizzle
60%
19°
31°
Tue
8/4
Drizzle
60%
20°
31°
47
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
47 AQI 8.6 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 47 Good 31 47
Thu 28 Good 28 17
Fri 34 Good 34 12
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Jul 22, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE13 J/kg
MUCAPE0 J/kg
SBCIN-3320 J/kg
MLCIN0 J/kg
Lifted Index2.1
Kinematics
0–6 km Shear41 kt
0–1 km Shear12 kt
Eff. Shear—
0–1 km SRH-100
0–3 km SRH-113
Eff. SRH—
Storm Motion278° @ 29 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)—
Supercell—
K-Index7.1
Thermo & Levels
PWAT1.23 in
0–3 km LR4.5 °C/km
700–500 LR5.2 °C/km
Total Totals36.0
LCL935 hPa
LFC—
EL—
Freezing Lvl17,100 ft