Flood Warning — East Baton Rouge County, LA Heat Advisory — Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS 8:00 PM Heat Advisory — Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS 8:00 PM

Arches/Grand Flat, UT

Last updated: 4:29 AM CDT  ·  Refresh
26°C
Feels like 31°
Mostly Clear
▲ 37°  /  ▼ 26°
Wind
4 mph WSW
Humidity
91%
Dew Point
24°
Pressure
29.92 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
21%
Sunrise
6:20 AM
Sunset
8:02 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Arches/Grand Flat is currently mostly clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1974 J/kg) — isolated convective development possible. Sunrise: 6:20AM · Sunset: 8:02PM.

Alerts

Flood Warning
East Baton Rouge County, LA
Expires
Heat Advisory
Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS
Expires 8:00 PM
Heat Advisory
Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS
Expires 8:00 PM
27 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
16%
5 AM
25°
34%
6 AM
25°
34%
7 AM
26°
34%
8 AM
27°
34%
9 AM
29°
27%
10 AM
31°
19%
11 AM
32°
20%
12 PM
33°
20%
1 PM
35°
5%
2 PM
36°
5%
3 PM
36°
5%
4 PM
36°
5%
5 PM
37°
5%
6 PM
36°
3%
7 PM
35°
3%
8 PM
33°
3%
9 PM
32°
3%
10 PM
31°
3%
11 PM
30°
3%
12 AM
29°
3%
1 AM
28°
3%
2 AM
28°
3%
3 AM
28°
3%
7-Day Forecast
Today
37° 26°
Mostly Clear with a 34% chance of rain.
Tue
38° 26°
Partly Cloudy.
Wed
37° 26°
Mostly Clear.
Thu
37° 25°
Mostly Cloudy with a 45% chance of rain.
Fri
37° 24°
Drizzle, 51% chance.
Sat
36° 25°
Rain, 82% chance.
Sun
34° 24°
Rain, 90% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Clear 16% 4 mph WSW 91%
5 AM 25° Mostly Clear 34% 4 mph WSW 90%
6 AM 25° Mostly Clear 34% 4 mph WSW 91%
7 AM 26° Mostly Clear 34% 4 mph W 90%
8 AM 27° Partly Cloudy 34% 6 mph W 83%
9 AM 29° Partly Cloudy 27% 7 mph W 76%
10 AM 31° Partly Cloudy 19% 7 mph W 70%
11 AM 32° Mostly Clear 20% 6 mph WNW 63%
12 PM 33° Mostly Clear 20% 6 mph WNW 56%
1 PM 35° Mostly Clear 5% 6 mph WNW 51%
2 PM 36° Mostly Clear 5% 6 mph W 49%
3 PM 36° Mostly Clear 5% 6 mph W 47%
4 PM 36° Mostly Clear 5% 6 mph W 47%
5 PM 37° Mostly Clear 5% 6 mph W 50%
6 PM 36° Mostly Clear 3% 6 mph W 53%
7 PM 35° Mostly Clear 3% 5 mph WSW 57%
8 PM 33° Mostly Clear 3% 5 mph WSW 63%
9 PM 32° Mostly Clear 3% 6 mph SW 69%
10 PM 31° Mostly Clear 3% 6 mph SW 74%
11 PM 30° Mostly Clear 3% 6 mph WSW 78%
12 AM 29° Mostly Clear 3% 6 mph WSW 82%
1 AM 28° Mostly Clear 3% 6 mph WSW 84%
2 AM 28° Mostly Clear 3% 6 mph WSW 86%
3 AM 28° Mostly Clear 3% 6 mph WSW 87%
15-Day Forecast
Today
7/27
Mostly Clear
34%
26°
37°
Tue
7/28
Partly Cloudy
3%
26°
38°
Wed
7/29
Mostly Clear
14%
26°
37°
Thu
7/30
Mostly Cloudy
45%
25°
37°
Fri
7/31
Drizzle
51%
24°
37°
Sat
8/1
Rain
82%
25°
36°
Sun
8/2
Rain
90%
24°
34°
Mon
8/3
Rain
68%
23°
36°
Tue
8/4
Drizzle
44%
24°
37°
Wed
8/5
Drizzle
51%
24°
37°
Thu
8/6
Drizzle
60%
24°
37°
Fri
8/7
Drizzle
60%
24°
37°
Sat
8/8
Drizzle
60%
24°
36°
Sun
8/9
Drizzle
60%
24°
37°
Mon
8/10
Drizzle
60%
24°
37°
27
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
27 AQI 4.9 µg/m³
O3
Ground-level ozone
24 AQI 26 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 27 Good 24 27
Tue 27 Good 27 22
Wed 33 Good 26 33
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 Mon Jul 27, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1301 J/kg
MLCAPE935 J/kg
MUCAPE1301 J/kg
SBCIN-105 J/kg
MLCIN0 J/kg
Lifted Index-2.1
Kinematics
0–6 km Shear11 kt
0–1 km Shear6 kt
Eff. Shear11 kt
0–1 km SRH19
0–3 km SRH12
Eff. SRH12
Storm Motion302° @ 20 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.1
K-Index22.5
Thermo & Levels
PWAT1.88 in
0–3 km LR4.6 °C/km
700–500 LR5.4 °C/km
Total Totals43.1
LCL987 hPa
LFC845 hPa
EL170 hPa
Freezing Lvl17,195 ft