Heat Advisory — St. James, LA, St. John The Baptist, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Southwestern St. Tammany, LA, Lower Tangipahoa, LA, Southern Livingston, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA 7:00 PM

Ottawa, Canada

Last updated: 4:35 PM CDT  ·  Refresh
26°C
Feels like 28°
Mostly Clear
▲ 27°  /  ▼ 14°
Wind
2 mph N
Humidity
57%
Dew Point
15°
Pressure
29.72 inHg
Visibility
10 mi
UV Index
6.3
Cloud Cover
19%
Sunrise
5:15 AM
Sunset
8:54 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ottawa is currently mostly clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1132 J/kg) — isolated convective development possible. Sunrise: 5:15AM · Sunset: 8:54PM.

Alerts

Heat Advisory
St. James, LA, St. John The Baptist, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Southwestern St. Tammany, LA, Lower Tangipahoa, LA, Southern Livingston, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA
Expires 7:00 PM
31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
8%
6 PM
27°
28%
7 PM
27°
25%
8 PM
25°
25%
9 PM
23°
25%
10 PM
22°
21%
11 PM
21°
29%
12 AM
20°
29%
1 AM
18°
16%
2 AM
18°
3%
3 AM
18°
10%
4 AM
17°
11%
5 AM
16°
11%
6 AM
17°
11%
7 AM
18°
11%
8 AM
20°
11%
9 AM
23°
12%
10 AM
24°
12%
11 AM
25°
20%
12 PM
27°
22%
1 PM
27°
22%
2 PM
27°
21%
3 PM
27°
21%
4 PM
27°
21%
7-Day Forecast
Today
27° 14°
Mostly Clear with a 29% chance of rain.
Sun
29° 14°
Mostly Clear with a 20% chance of rain.
Mon
31° 17°
Partly Cloudy.
Tue
29° 19°
Rain, 71% chance.
Wed
32° 21°
Fog with a 55% chance of rain.
Thu
31° 18°
Drizzle, 60% chance.
Fri
31° 16°
Mostly Clear with a 35% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Clear 8% 2 mph N 57%
6 PM 27° Clear 28% 2 mph WSW 61%
7 PM 27° Clear 25% 2 mph SW 68%
8 PM 25° Clear 25% 2 mph SSW 73%
9 PM 23° Partly Cloudy 25% 3 mph N 78%
10 PM 22° Partly Cloudy 21% 3 mph NNW 83%
11 PM 21° Partly Cloudy 29% 2 mph NNE 87%
12 AM 20° Mostly Clear 29% 2 mph ENE 90%
1 AM 18° Mostly Clear 16% 2 mph ENE 91%
2 AM 18° Mostly Clear 3% 2 mph N 92%
3 AM 18° Mostly Clear 10% 2 mph NNE 92%
4 AM 17° Mostly Clear 11% 2 mph NE 93%
5 AM 16° Mostly Clear 11% 2 mph NE 93%
6 AM 17° Mostly Clear 11% 2 mph NE 91%
7 AM 18° Mostly Clear 11% 1 mph ENE 87%
8 AM 20° Mostly Clear 11% 1 mph E 80%
9 AM 23° Mostly Clear 12% 1 mph SSW 73%
10 AM 24° Clear 12% 2 mph SW 65%
11 AM 25° Mostly Clear 20% 2 mph W 60%
12 PM 27° Mostly Clear 22% 3 mph WNW 59%
1 PM 27° Mostly Clear 22% 4 mph WNW 59%
2 PM 27° Partly Cloudy 21% 4 mph WNW 60%
3 PM 27° Partly Cloudy 21% 3 mph WNW 62%
4 PM 27° Partly Cloudy 21% 3 mph WNW 64%
15-Day Forecast
Today
6/27
Mostly Clear
29%
14°
27°
Sun
6/28
Mostly Clear
20%
14°
29°
Mon
6/29
Partly Cloudy
16%
17°
31°
Tue
6/30
Rain
71%
19°
29°
Wed
7/1
Fog
55%
21°
32°
Thu
7/2
Drizzle
60%
18°
31°
Fri
7/3
Mostly Clear
35%
16°
31°
Sat
7/4
Drizzle
60%
16°
28°
Sun
7/5
Drizzle
60%
15°
27°
Mon
7/6
Drizzle
60%
15°
27°
Tue
7/7
Drizzle
60%
17°
28°
Wed
7/8
Drizzle
60%
16°
28°
Thu
7/9
Drizzle
60%
16°
27°
Fri
7/10
Drizzle
60%
16°
27°
Sat
7/11
Drizzle
60%
15°
27°
31
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
24 AQI 4.4 µg/m³
O3
Ground-level ozone
Dominant
31 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 31 Good 31 24
Mon 28 Good 28 26
Tue 38 Good 38 28
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 Sat Jun 27, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1136 J/kg
MLCAPE724 J/kg
MUCAPE1136 J/kg
SBCIN-27 J/kg
MLCIN0 J/kg
Lifted Index-4.2
Kinematics
0–6 km Shear21 kt
0–1 km Shear2 kt
Eff. Shear18 kt
0–1 km SRH-9
0–3 km SRH-37
Eff. SRH-37
Storm Motion214° @ 15 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.8
Thermo & Levels
PWAT1.10 in
0–3 km LR8.5 °C/km
700–500 LR6.0 °C/km
Total Totals53.0
LCL855 hPa
LFC834 hPa
EL262 hPa
Freezing Lvl10,043 ft