Heat Advisory — Williams, ND, Mountrail, ND, McKenzie, ND, Dunn, ND, Mercer, ND, Oliver, ND, Golden Valley, ND, Billings, ND, Stark, ND, Burleigh, ND, Hettinger, ND, Grant, ND, Emmons, ND, Western McLean, ND, Eastern McLean, ND, Western Morton, ND, Eastern Morton, ND, Western Sioux, ND, Eastern Sioux, ND, McHenry, ND, Pierce, ND, Sheridan, ND, Wells, ND, Foster, ND, Kidder, ND, Stutsman, ND, Adams, ND, Logan, ND, La Moure, ND, McIntosh, ND, Dickey, ND, Central and Southern Ward/Minot Area, ND 8:00 PM

Ottawa, Canada

Last updated: 5:17 PM CDT  ·  Refresh
21°C
Feels like 22°
Overcast
▲ 22°  /  ▼ 17°
Wind
8 mph N
Humidity
93%
Dew Point
19°
Pressure
29.42 inHg
Visibility
10 mi
UV Index
1.9
Cloud Cover
93%
Sunrise
5:44 AM
Sunset
8:33 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Ottawa is currently overcast at 21°C. Precipitation is likely — peak probability 61% around 1 AM. Atmospheric instability is elevated (CAPE up to 708 J/kg) — isolated convective development possible. Sunrise: 5:44AM · Sunset: 8:33PM.

Alerts

Heat Advisory
Williams, ND, Mountrail, ND, McKenzie, ND, Dunn, ND, Mercer, ND, Oliver, ND, Golden Valley, ND, Billings, ND, Stark, ND, Burleigh, ND, Hettinger, ND, Grant, ND, Emmons, ND, Western McLean, ND, Eastern McLean, ND, Western Morton, ND, Eastern Morton, ND, Western Sioux, ND, Eastern Sioux, ND, McHenry, ND, Pierce, ND, Sheridan, ND, Wells, ND, Foster, ND, Kidder, ND, Stutsman, ND, Adams, ND, Logan, ND, La Moure, ND, McIntosh, ND, Dickey, ND, Central and Southern Ward/Minot Area, ND
Expires 8:00 PM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
51%
7 PM
22°
54%
8 PM
22°
51%
9 PM
21°
53%
10 PM
21°
48%
11 PM
21°
35%
12 AM
20°
39%
1 AM
20°
60%
2 AM
19°
54%
3 AM
19°
54%
4 AM
19°
37%
5 AM
17°
26%
6 AM
18°
27%
7 AM
18°
40%
8 AM
18°
28%
9 AM
20°
36%
10 AM
21°
47%
11 AM
22°
37%
12 PM
22°
40%
1 PM
23°
55%
2 PM
23°
44%
3 PM
23°
45%
4 PM
24°
37%
5 PM
26°
33%
7-Day Forecast
Tonight
22° 17°
Overcast with a 53% chance of rain.
Thu
26° 17°
Partly Cloudy with a 54% chance of rain.
Fri
29° 16°
Fog.
Sat
27° 18°
Overcast with a 83% chance of rain.
Sun
27° 16°
Rain, 82% chance.
Mon
27° 15°
Clear with a 64% chance of rain.
Tue
29° 14°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 21° Overcast 51% 8 mph N 93%
7 PM 22° Overcast 54% 6 mph N 95%
8 PM 22° Overcast 51% 5 mph N 96%
9 PM 21° Overcast 53% 4 mph N 97%
10 PM 21° Overcast 48% 4 mph N 97%
11 PM 21° Overcast 35% 4 mph N 97%
12 AM 20° Overcast 39% 4 mph N 98%
1 AM 20° Mostly Cloudy 60% 4 mph N 98%
2 AM 19° Partly Cloudy 54% 4 mph NNE 98%
3 AM 19° Partly Cloudy 54% 4 mph NNE 97%
4 AM 19° Mostly Cloudy 37% 4 mph N 97%
5 AM 17° Mostly Cloudy 26% 4 mph N 97%
6 AM 18° Mostly Cloudy 27% 4 mph N 96%
7 AM 18° Mostly Cloudy 40% 5 mph N 94%
8 AM 18° Mostly Cloudy 28% 5 mph NNW 92%
9 AM 20° Mostly Cloudy 36% 6 mph N 87%
10 AM 21° Mostly Cloudy 47% 6 mph N 81%
11 AM 22° Mostly Cloudy 37% 7 mph N 77%
12 PM 22° Mostly Cloudy 40% 7 mph N 78%
1 PM 23° Mostly Cloudy 55% 7 mph NNE 79%
2 PM 23° Mostly Cloudy 44% 8 mph NNE 80%
3 PM 23° Partly Cloudy 45% 7 mph NNE 79%
4 PM 24° Partly Cloudy 37% 6 mph N 78%
5 PM 26° Partly Cloudy 33% 6 mph N 78%
15-Day Forecast
Today
7/29
Overcast
53%
17°
22°
Thu
7/30
Partly Cloudy
54%
17°
26°
Fri
7/31
Fog
18%
16°
29°
Sat
8/1
Overcast
83%
18°
27°
Sun
8/2
Rain
82%
16°
27°
Mon
8/3
Clear
64%
15°
27°
Tue
8/4
Clear
17%
14°
29°
Wed
8/5
Clear
17%
17°
31°
Thu
8/6
Drizzle
60%
18°
31°
Fri
8/7
Drizzle
60%
17°
29°
Sat
8/8
Drizzle
51%
16°
28°
Sun
8/9
Drizzle
60%
14°
27°
Mon
8/10
Drizzle
60%
14°
26°
Tue
8/11
Drizzle
60%
13°
26°
Wed
8/12
Drizzle
60%
13°
24°
52
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
52 AQI 9.6 µg/m³
O3
Ground-level ozone
24 AQI 26 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 52 Moderate 24 52
Fri 47 Good 43 47
Sat 49 Good 32 49
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 Wed Jul 29, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE185 J/kg
MLCAPE159 J/kg
MUCAPE232 J/kg
SBCIN-12 J/kg
MLCIN0 J/kg
Lifted Index-0.5
Kinematics
0–6 km Shear7 kt
0–1 km Shear10 kt
Eff. Shear10 kt
0–1 km SRH-34
0–3 km SRH-31
Eff. SRH-31
Storm Motion337° @ 22 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.4
Thermo & Levels
PWAT1.80 in
0–3 km LR5.8 °C/km
700–500 LR5.1 °C/km
Total Totals44.1
LCL963 hPa
LFC922 hPa
EL419 hPa
Freezing Lvl12,546 ft