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, St. James, LA, St. John The Baptist, LA, Upper St. Bernard, LA, Lower St. Bernard, LA, Northern Tangipahoa, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Northern St. Tammany, LA, Southwestern St. Tammany, LA, Central Tangipahoa, LA, Lower Tangipahoa, LA, Northern Livingston, LA, Southern Livingston, LA, Western Ascension, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper Plaquemines, LA, Central Plaquemines, LA, Lower Plaquemines, LA, Central Jefferson, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 8:00 PM

Ottawa, Canada

Last updated: 3:00 PM CDT  ·  Refresh
24°C
Feels like 23°
Mostly Clear
▲ 26°  /  ▼ 12°
Wind
4 mph SE
Humidity
48%
Dew Point
11°
Pressure
29.84 inHg
Visibility
10 mi
UV Index
7.2
Cloud Cover
24%
Sunrise
6:10 AM
Sunset
7:59 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ottawa is currently mostly clear at 24°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:10AM · Sunset: 7:59PM.

Alerts

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, St. James, LA, St. John The Baptist, LA, Upper St. Bernard, LA, Lower St. Bernard, LA, Northern Tangipahoa, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Northern St. Tammany, LA, Southwestern St. Tammany, LA, Central Tangipahoa, LA, Lower Tangipahoa, LA, Northern Livingston, LA, Southern Livingston, LA, Western Ascension, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper Plaquemines, LA, Central Plaquemines, LA, Lower Plaquemines, LA, Central Jefferson, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Expires 8:00 PM
28 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
4%
5 PM
26°
3%
6 PM
25°
3%
7 PM
23°
3%
8 PM
22°
3%
9 PM
21°
3%
10 PM
18°
3%
11 PM
17°
3%
12 AM
16°
3%
1 AM
15°
3%
2 AM
14°
3%
3 AM
13°
3%
4 AM
13°
3%
5 AM
13°
3%
6 AM
12°
5%
7 AM
12°
5%
8 AM
13°
5%
9 AM
15°
9%
10 AM
18°
15%
11 AM
21°
15%
12 PM
22°
22%
1 PM
23°
26%
2 PM
24°
26%
3 PM
26°
28%
7-Day Forecast
Today
26° 12°
Mostly Clear.
Sat
28° 12°
Partly Cloudy with a 52% chance of rain.
Sun
24° 14°
Rain, 90% chance.
Mon
21° 13°
Mostly Cloudy with a 58% chance of rain.
Tue
22° 12°
Drizzle, 50% chance.
Wed
26° 11°
Drizzle, 70% chance.
Thu
27° 14°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Clear 4% 4 mph SE 48%
5 PM 26° Mostly Clear 3% 4 mph SE 47%
6 PM 25° Mostly Clear 3% 5 mph SE 52%
7 PM 23° Clear 3% 4 mph ESE 60%
8 PM 22° Clear 3% 4 mph ESE 66%
9 PM 21° Clear 3% 4 mph E 70%
10 PM 18° Clear 3% 4 mph E 74%
11 PM 17° Clear 3% 4 mph E 78%
12 AM 16° Clear 3% 4 mph E 80%
1 AM 15° Clear 3% 5 mph ENE 82%
2 AM 14° Clear 3% 5 mph ENE 84%
3 AM 13° Clear 3% 5 mph ENE 84%
4 AM 13° Clear 3% 6 mph ENE 85%
5 AM 13° Partly Cloudy 3% 6 mph ENE 85%
6 AM 12° Mostly Clear 5% 7 mph ENE 83%
7 AM 12° Mostly Clear 5% 7 mph ENE 81%
8 AM 13° Mostly Clear 5% 8 mph E 77%
9 AM 15° Mostly Clear 9% 8 mph E 73%
10 AM 18° Mostly Clear 15% 8 mph E 68%
11 AM 21° Mostly Clear 15% 8 mph E 64%
12 PM 22° Mostly Clear 22% 8 mph E 63%
1 PM 23° Mostly Clear 26% 8 mph ESE 61%
2 PM 24° Mostly Clear 26% 8 mph ESE 59%
3 PM 26° Partly Cloudy 28% 7 mph ESE 63%
15-Day Forecast
Today
8/21
Mostly Clear
4%
12°
26°
Sat
8/22
Partly Cloudy
52%
12°
28°
Sun
8/23
Rain
90%
14°
24°
Mon
8/24
Mostly Cloudy
58%
13°
21°
Tue
8/25
Drizzle
50%
12°
22°
Wed
8/26
Drizzle
70%
11°
26°
Thu
8/27
Rain
63%
14°
27°
Fri
8/28
Rain
72%
12°
24°
Sat
8/29
Drizzle
44%
9°
23°
Sun
8/30
Drizzle
51%
12°
27°
Mon
8/31
Drizzle
60%
13°
26°
Tue
9/1
Drizzle
60%
12°
25°
Wed
9/2
Drizzle
60%
11°
24°
Thu
9/3
Drizzle
60%
12°
24°
Fri
9/4
Drizzle
60%
12°
24°
28
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
20 AQI 3.6 µg/m³
O3
Ground-level ozone
Dominant
28 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 28 Good 28 20
Sun 42 Good 27 42
Mon 40 Good 40 22
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 Fri Aug 21, 17:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE91 J/kg
MLCAPE36 J/kg
MUCAPE91 J/kg
SBCIN0 J/kg
MLCIN-6 J/kg
Lifted Index3.6
Kinematics
0–6 km Shear34 kt
0–1 km Shear0 kt
Eff. Shear—
0–1 km SRH0
0–3 km SRH28
Eff. SRH—
Storm Motion308° @ 20 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index10.7
Thermo & Levels
PWAT0.90 in
0–3 km LR7.9 °C/km
700–500 LR4.9 °C/km
Total Totals38.7
LCL836 hPa
LFC1010 hPa
EL696 hPa
Freezing Lvl11,503 ft