Gallatin County, Illinois, United States

Last updated: 11:17 PM CDT  ·  Refresh
20°C
Feels like 21°
Clear
▲ 30°  /  ▼ 17°
Wind
3 mph NNE
Humidity
77%
Dew Point
17°
Pressure
29.70 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
5%
Sunrise
6:19 AM
Sunset
7:27 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Gallatin County is currently clear at 20°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:19AM · Sunset: 7:27PM.

Alerts

No active alerts for this location.
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
20°
3%
12 AM
19°
3%
1 AM
19°
3%
2 AM
19°
3%
3 AM
18°
3%
4 AM
18°
3%
5 AM
17°
3%
6 AM
17°
3%
7 AM
17°
3%
8 AM
20°
3%
9 AM
23°
3%
10 AM
25°
3%
11 AM
27°
3%
12 PM
28°
3%
1 PM
31°
3%
2 PM
32°
3%
3 PM
32°
3%
4 PM
32°
3%
5 PM
33°
3%
6 PM
31°
3%
7 PM
31°
3%
8 PM
30°
3%
9 PM
26°
3%
10 PM
26°
3%
7-Day Forecast
Tonight
30° 17°
Clear.
Sat
33° 17°
Partly Cloudy.
Sun
38° 20°
Mostly Clear.
Mon
38° 22°
Clear.
Tue
40° 23°
Clear.
Wed
41° 24°
Clear.
Thu
41° 24°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 20° Clear 3% 3 mph NNE 77%
12 AM 19° Clear 3% 4 mph NNE 78%
1 AM 19° Clear 3% 5 mph NNE 81%
2 AM 19° Clear 3% 4 mph NE 83%
3 AM 18° Clear 3% 4 mph ENE 85%
4 AM 18° Clear 3% 4 mph ENE 86%
5 AM 17° Clear 3% 4 mph ENE 86%
6 AM 17° Clear 3% 4 mph ENE 86%
7 AM 17° Clear 3% 3 mph E 84%
8 AM 20° Mostly Clear 3% 4 mph E 77%
9 AM 23° Mostly Clear 3% 4 mph E 68%
10 AM 25° Partly Cloudy 3% 4 mph E 61%
11 AM 27° Mostly Cloudy 3% 4 mph E 55%
12 PM 28° Mostly Cloudy 3% 3 mph E 49%
1 PM 31° Mostly Cloudy 3% 3 mph ESE 44%
2 PM 32° Mostly Cloudy 3% 4 mph E 43%
3 PM 32° Partly Cloudy 3% 4 mph ESE 42%
4 PM 32° Partly Cloudy 3% 4 mph ESE 43%
5 PM 33° Partly Cloudy 3% 4 mph ESE 47%
6 PM 31° Partly Cloudy 3% 4 mph ESE 52%
7 PM 31° Partly Cloudy 3% 4 mph ESE 56%
8 PM 30° Partly Cloudy 3% 4 mph SE 56%
9 PM 26° Partly Cloudy 3% 4 mph SE 57%
10 PM 26° Partly Cloudy 3% 4 mph SE 58%
15-Day Forecast
Today
8/28
Clear
3%
17°
30°
Sat
8/29
Partly Cloudy
3%
17°
33°
Sun
8/30
Mostly Clear
3%
20°
38°
Mon
8/31
Clear
3%
22°
38°
Tue
9/1
Clear
3%
23°
40°
Wed
9/2
Clear
3%
24°
41°
Thu
9/3
Rain
28%
24°
41°
Fri
9/4
Rain
28%
23°
41°
Sat
9/5
Clear
44%
23°
40°
Sun
9/6
Drizzle
44%
23°
39°
Mon
9/7
Clear
60%
21°
39°
Tue
9/8
Drizzle
60%
21°
37°
Wed
9/9
Drizzle
60%
20°
36°
Thu
9/10
Drizzle
60%
20°
35°
Fri
9/11
Drizzle
60%
19°
36°
52
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
52 AQI 9.9 µg/m³
O3
Ground-level ozone
44 AQI 48 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 44 52
Sun 55 Moderate 41 55
Mon 56 Moderate 49 56
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 Sat Aug 29, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE10 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index3.9
Kinematics
0–6 km Shear13 kt
0–1 km Shear10 kt
Eff. Shear—
0–1 km SRH-30
0–3 km SRH-3
Eff. SRH—
Storm Motion32° @ 21 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-14.6
Thermo & Levels
PWAT0.94 in
0–3 km LR3.6 °C/km
700–500 LR6.3 °C/km
Total Totals40.1
LCL962 hPa
LFC—
EL—
Freezing Lvl15,574 ft