Extreme Heat Warning — 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: 10:57 PM CDT  ·  Refresh
17°C
Feels like 18°
Rain
▲ 23°  /  ▼ 13°
Wind
4 mph E
Humidity
97%
Dew Point
16°
Pressure
29.51 inHg
Visibility
5 mi
UV Index
0.0
Cloud Cover
98%
Sunrise
6:04 AM
Sunset
8:07 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ottawa is currently rain at 17°C. Precipitation is likely — peak probability 64% around 12 AM. Sunrise: 6:04AM · Sunset: 8:07PM.

25 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
17°
56%
12 AM
18°
63%
1 AM
18°
59%
2 AM
18°
60%
3 AM
18°
38%
4 AM
18°
42%
5 AM
17°
32%
6 AM
17°
21%
7 AM
18°
4%
8 AM
19°
5%
9 AM
21°
5%
10 AM
22°
3%
11 AM
22°
3%
12 PM
23°
3%
1 PM
24°
3%
2 PM
24°
3%
3 PM
24°
3%
4 PM
24°
3%
5 PM
25°
3%
6 PM
23°
3%
7 PM
22°
3%
8 PM
22°
3%
9 PM
20°
3%
10 PM
19°
3%
7-Day Forecast
Tonight
23° 13°
Rain, 56% chance.
Mon
26° 15°
Partly Cloudy with a 60% chance of rain.
Tue
27° 14°
Partly Cloudy with a 26% chance of rain.
Wed
24° 13°
Drizzle, 79% chance.
Thu
24° 11°
Fog.
Fri
26° 11°
Drizzle, 43% chance.
Sat
27° 11°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 17° Rain 56% 4 mph E 97%
12 AM 18° Overcast 63% 2 mph E 97%
1 AM 18° Thunderstorm 59% 2 mph NE 98%
2 AM 18° Overcast 60% 2 mph W 98%
3 AM 18° Overcast 38% 2 mph WSW 98%
4 AM 18° Overcast 42% 3 mph W 98%
5 AM 17° Partly Cloudy 32% 3 mph WNW 97%
6 AM 17° Mostly Clear 21% 4 mph WNW 96%
7 AM 18° Partly Cloudy 4% 6 mph NW 94%
8 AM 19° Mostly Cloudy 5% 6 mph NW 90%
9 AM 21° Mostly Cloudy 5% 7 mph NW 85%
10 AM 22° Mostly Cloudy 3% 7 mph NNW 80%
11 AM 22° Mostly Cloudy 3% 7 mph NW 76%
12 PM 23° Partly Cloudy 3% 7 mph NW 72%
1 PM 24° Mostly Clear 3% 7 mph NW 67%
2 PM 24° Partly Cloudy 3% 8 mph NW 65%
3 PM 24° Partly Cloudy 3% 8 mph NW 63%
4 PM 24° Partly Cloudy 3% 8 mph NW 61%
5 PM 25° Partly Cloudy 3% 7 mph NW 63%
6 PM 23° Partly Cloudy 3% 6 mph NW 67%
7 PM 22° Partly Cloudy 3% 6 mph NW 70%
8 PM 22° Partly Cloudy 3% 6 mph NW 72%
9 PM 20° Mostly Clear 3% 6 mph NNW 74%
10 PM 19° Mostly Clear 3% 6 mph NNW 75%
15-Day Forecast
Today
8/16
Rain
56%
13°
23°
Mon
8/17
Partly Cloudy
60%
15°
26°
Tue
8/18
Partly Cloudy
26%
14°
27°
Wed
8/19
Drizzle
79%
13°
24°
Thu
8/20
Fog
17%
11°
24°
Fri
8/21
Drizzle
43%
11°
26°
Sat
8/22
Drizzle
52%
11°
27°
Sun
8/23
Drizzle
63%
11°
24°
Mon
8/24
Drizzle
43%
11°
23°
Tue
8/25
Drizzle
44%
10°
24°
Wed
8/26
Drizzle
51%
11°
24°
Thu
8/27
Drizzle
60%
11°
24°
Fri
8/28
Drizzle
60%
11°
23°
Sat
8/29
Drizzle
60%
10°
24°
Sun
8/30
Drizzle
60%
11°
25°
25
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
15 AQI 2.8 µg/m³
O3
Ground-level ozone
Dominant
25 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 25 Good 25 15
Tue 31 Good 24 31
Wed 38 Good 30 38
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 Mon Aug 17, 02:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 100 110 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE30 J/kg
MUCAPE51 J/kg
SBCIN
MLCIN0 J/kg
Lifted Index6.8
Kinematics
0–6 km Shear35 kt
0–1 km Shear27 kt
Eff. Shear
0–1 km SRH304
0–3 km SRH430
Eff. SRH
Storm Motion298° @ 25 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)
Supercell
K-Index34.5
Thermo & Levels
PWAT1.75 in
0–3 km LR3.5 °C/km
700–500 LR5.5 °C/km
Total Totals43.9
LCL986 hPa
LFC
EL
Freezing Lvl14,245 ft