Extreme Heat Warning — St. James, LA, St. John The Baptist, LA, Upper St. Bernard, 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 Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, 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: 5:23 PM CDT  ·  Refresh
24°C
Feels like 24°
Partly Cloudy
▲ 26°  /  ▼ 15°
Wind
6 mph NW
Humidity
65%
Dew Point
16°
Pressure
29.57 inHg
Visibility
10 mi
UV Index
4.0
Cloud Cover
33%
Sunrise
6:05 AM
Sunset
8:06 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ottawa is currently partly cloudy at 24°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:05AM · Sunset: 8:06PM.

Alerts

Extreme Heat Warning
St. James, LA, St. John The Baptist, LA, Upper St. Bernard, 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 Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Expires 8:00 PM
39 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
7%
7 PM
24°
21%
8 PM
22°
21%
9 PM
21°
21%
10 PM
19°
21%
11 PM
18°
21%
12 AM
18°
21%
1 AM
17°
15%
2 AM
17°
3%
3 AM
17°
3%
4 AM
16°
5%
5 AM
15°
5%
6 AM
16°
5%
7 AM
16°
5%
8 AM
18°
5%
9 AM
20°
7%
10 AM
22°
7%
11 AM
22°
7%
12 PM
23°
7%
1 PM
26°
5%
2 PM
26°
5%
3 PM
26°
5%
4 PM
26°
5%
5 PM
24°
7%
7-Day Forecast
Tonight
26° 15°
Partly Cloudy with a 21% chance of rain.
Tue
27° 15°
Mostly Cloudy with a 21% chance of rain.
Wed
26° 14°
Mostly Cloudy with a 84% chance of rain.
Thu
24° 13°
Mostly Clear with a 40% chance of rain.
Fri
26° 13°
Partly Cloudy.
Sat
26° 13°
Rain, 71% chance.
Sun
24° 14°
Drizzle, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Partly Cloudy 7% 6 mph NW 65%
7 PM 24° Mostly Clear 21% 5 mph NNW 71%
8 PM 22° Clear 21% 4 mph NW 74%
9 PM 21° Clear 21% 4 mph NW 77%
10 PM 19° Clear 21% 3 mph NNW 79%
11 PM 18° Clear 21% 3 mph NNW 81%
12 AM 18° Mostly Clear 21% 3 mph NNW 83%
1 AM 17° Clear 15% 3 mph NNW 84%
2 AM 17° Clear 3% 3 mph NW 86%
3 AM 17° Mostly Clear 3% 3 mph NW 86%
4 AM 16° Mostly Clear 5% 3 mph NW 87%
5 AM 15° Partly Cloudy 5% 2 mph NW 86%
6 AM 16° Mostly Cloudy 5% 2 mph NW 86%
7 AM 16° Mostly Cloudy 5% 2 mph NW 85%
8 AM 18° Mostly Cloudy 5% 1 mph NNW 82%
9 AM 20° Mostly Cloudy 7% 1 mph WSW 74%
10 AM 22° Mostly Cloudy 7% 2 mph SSW 69%
11 AM 22° Mostly Cloudy 7% 3 mph SSW 64%
12 PM 23° Mostly Cloudy 7% 3 mph SW 61%
1 PM 26° Mostly Cloudy 5% 3 mph SW 58%
2 PM 26° Mostly Cloudy 5% 3 mph WSW 57%
3 PM 26° Mostly Cloudy 5% 4 mph WSW 57%
4 PM 26° Mostly Cloudy 5% 4 mph WSW 57%
5 PM 24° Mostly Cloudy 7% 3 mph SW 58%
15-Day Forecast
Today
8/17
Partly Cloudy
21%
15°
26°
Tue
8/18
Mostly Cloudy
21%
15°
27°
Wed
8/19
Mostly Cloudy
84%
14°
26°
Thu
8/20
Mostly Clear
40%
13°
24°
Fri
8/21
Partly Cloudy
16%
13°
26°
Sat
8/22
Rain
71%
13°
26°
Sun
8/23
Drizzle
82%
14°
24°
Mon
8/24
Drizzle
63%
13°
23°
Tue
8/25
Drizzle
68%
13°
24°
Wed
8/26
Drizzle
68%
14°
26°
Thu
8/27
Drizzle
64%
13°
24°
Fri
8/28
Drizzle
60%
12°
24°
Sat
8/29
Clear
25%
12°
24°
Sun
8/30
Drizzle
60%
12°
24°
Mon
8/31
Drizzle
60%
13°
24°
39
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
39 AQI 7.1 µg/m³
O3
Ground-level ozone
26 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 39 Good 26 39
Wed 38 Good 33 38
Thu 42 Good 37 42
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 Aug 17, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE60 J/kg
MLCAPE49 J/kg
MUCAPE90 J/kg
SBCIN-62 J/kg
MLCIN-18 J/kg
Lifted Index1.9
Kinematics
0–6 km Shear35 kt
0–1 km Shear6 kt
Eff. Shear—
0–1 km SRH-2
0–3 km SRH70
Eff. SRH—
Storm Motion303° @ 27 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-1.6
Thermo & Levels
PWAT1.00 in
0–3 km LR6.0 °C/km
700–500 LR5.6 °C/km
Total Totals40.4
LCL892 hPa
LFC855 hPa
EL734 hPa
Freezing Lvl14,121 ft