Dense Fog 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, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 10:00 AM

Ottawa, Canada

Last updated: 9:46 PM CDT  ·  Refresh
7°C
Feels like 4°
Overcast
▲ 8°  /  ▼ 6°
Wind
7 mph ENE
Humidity
96%
Dew Point
6°
Pressure
29.49 inHg
Visibility
5 mi
UV Index
0.0
Cloud Cover
94%
Sunrise
7:15 AM
Sunset
6:19 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ottawa is currently overcast at 7°C. Precipitation is likely — peak probability 70% around 11 PM. Sunrise: 7:15AM · Sunset: 6:19PM.

Alerts

Dense Fog 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, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Expires 10:00 AM
24 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
7°
68%
11 PM
8°
70%
12 AM
8°
67%
1 AM
7°
47%
2 AM
7°
44%
3 AM
7°
35%
4 AM
7°
25%
5 AM
6°
15%
6 AM
6°
6%
7 AM
6°
3%
8 AM
7°
3%
9 AM
9°
3%
10 AM
9°
3%
11 AM
10°
3%
12 PM
10°
3%
1 PM
12°
3%
2 PM
12°
12%
3 PM
12°
12%
4 PM
12°
3%
5 PM
11°
3%
6 PM
11°
3%
7 PM
11°
3%
8 PM
10°
3%
9 PM
10°
3%
7-Day Forecast
Tonight
8° 6°
Overcast with a 68% chance of rain.
Wed
12° 6°
Overcast with a 47% chance of rain.
Thu
11° 3°
Clear with a 55% chance of rain.
Fri
8° 1°
Overcast with a 90% chance of rain.
Sat
7° -1°
Clear with a 22% chance of rain.
Sun
12° 0°
Clear.
Mon
17° 3°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 7° Overcast 68% 7 mph ENE 96%
11 PM 8° Overcast 70% 4 mph ENE 96%
12 AM 8° Overcast 67% 3 mph NE 96%
1 AM 7° Overcast 47% 3 mph N 96%
2 AM 7° Overcast 44% 3 mph NW 96%
3 AM 7° Overcast 35% 2 mph W 96%
4 AM 7° Overcast 25% 2 mph WSW 96%
5 AM 6° Overcast 15% 3 mph WSW 96%
6 AM 6° Overcast 6% 4 mph WSW 96%
7 AM 6° Overcast 3% 4 mph WSW 96%
8 AM 7° Overcast 3% 6 mph WSW 94%
9 AM 9° Overcast 3% 7 mph W 92%
10 AM 9° Overcast 3% 8 mph W 89%
11 AM 10° Overcast 3% 9 mph W 87%
12 PM 10° Overcast 3% 9 mph W 85%
1 PM 12° Overcast 3% 10 mph W 83%
2 PM 12° Overcast 12% 10 mph WNW 83%
3 PM 12° Overcast 12% 10 mph WNW 82%
4 PM 12° Mostly Cloudy 3% 9 mph WNW 82%
5 PM 11° Mostly Cloudy 3% 9 mph WNW 84%
6 PM 11° Mostly Cloudy 3% 8 mph WNW 85%
7 PM 11° Partly Cloudy 3% 8 mph WNW 86%
8 PM 10° Partly Cloudy 3% 8 mph WNW 85%
9 PM 10° Partly Cloudy 3% 9 mph WNW 83%
15-Day Forecast
Today
10/13
Overcast
68%
6°
8°
Wed
10/14
Overcast
47%
6°
12°
Thu
10/15
Clear
55%
3°
11°
Fri
10/16
Overcast
90%
1°
8°
Sat
10/17
Clear
22%
-1°
7°
Sun
10/18
Clear
3%
0°
12°
Mon
10/19
Clear
8%
3°
17°
Tue
10/20
Clear
8%
6°
17°
Wed
10/21
Clear
18%
5°
17°
Thu
10/22
Rain
68%
6°
19°
Fri
10/23
Rain
64%
3°
14°
Sat
10/24
Drizzle
60%
3°
12°
Sun
10/25
Drizzle
60%
3°
12°
Mon
10/26
Drizzle
60%
3°
11°
Tue
10/27
Drizzle
60%
3°
11°
24
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
3 AQI 0.6 µg/m³
O3
Ground-level ozone
Dominant
24 AQI 27 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 24 Good 24 3
Thu 24 Good 24 14
Fri 23 Good 23 7
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 Tue Oct 13, 23:00'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
SBCAPE0 J/kg
MLCAPE45 J/kg
MUCAPE481 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index18.7
Kinematics
0–6 km Shear47 kt
0–1 km Shear20 kt
Eff. Shear19 kt
0–1 km SRH233
0–3 km SRH381
Eff. SRH77
Storm Motion292° @ 30 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.6
Thermo & Levels
PWAT1.38 in
0–3 km LR0.5 °C/km
700–500 LR7.0 °C/km
Total Totals51.1
LCL991 hPa
LFC—
EL—
Freezing Lvl12,684 ft