Powered by WEATHER-INFO.COM
Your new global weather portal

Now · 9:56 PM

Fort Smith Weather & Hourly Forecast

Canada · Northwest Territories

Clear night
14°C
Clear night
Feels like: 11°C
💧 Humidity 73% 🌡 Pressure 1008 hPa 💨 Wind 11 km/h 👁 Visibility 36.3 km Clouds 4% ☀️ UV index 0.0 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Fort Smith

Today
Clear night · 10:00 PM Clear night
14° 💧 None 💨 11 km/h H 73%1008 hPa
Tomorrow
Light rain · 1:00 AM Light rain
13° 💧 4.0 mm 💨 4 km/h H 89%1007 hPa
Overcast night · 4:00 AM Overcast night
12° 💧 None 💨 11 km/h H 98%1005 hPa
Overcast · 7:00 AM Overcast
11° 💧 0.0 mm 💨 9 km/h H 97%1004 hPa
Light rain · 10:00 AM Light rain
13° 💧 0.2 mm 💨 12 km/h H 94%1002 hPa
Overcast · 1:00 PM Overcast
18° 💧 None 💨 9 km/h H 70%1001 hPa
Overcast · 4:00 PM Overcast
17° 💧 None 💨 11 km/h H 70%999 hPa
Overcast · 7:00 PM Overcast
16° 💧 1.0 mm 💨 9 km/h H 82%997 hPa
Light rain · 10:00 PM Light rain
13° 💧 5.4 mm 💨 2 km/h H 97%996 hPa
Thursday
Light rain · 1:00 AM Light rain
13° 💧 2.9 mm 💨 1 km/h H 99%995 hPa
Light rain · 4:00 AM Light rain
12° 💧 2.6 mm 💨 8 km/h H 99%994 hPa
Light rain · 7:00 AM Light rain
12° 💧 0.5 mm 💨 11 km/h H 99%994 hPa
Overcast · 10:00 AM Overcast
14° 💧 0.0 mm 💨 19 km/h H 87%995 hPa
Overcast · 1:00 PM Overcast
16° 💧 0.1 mm 💨 19 km/h H 68%995 hPa
Light rain · 4:00 PM Light rain
16° 💧 0.7 mm 💨 22 km/h H 67%997 hPa
Light rain · 7:00 PM Light rain
14° 💧 0.3 mm 💨 25 km/h H 76%999 hPa

In Fort Smith and, more broadly, across the territory of Northwest Territories: Across the region this evening, mainly cloudy skies are expected to persist with temperatures generally ranging from about 14 to 22 degrees Celsius. In many areas, there is a possibility of light rain or showers, with the maximum probability around 64%, and rainfall amounts may reach up to approximately 0.4 mm. Winds will predominantly come from the east at around 19 km/h, with gusts reaching up to 40 km/h in some parts. Changes in conditions are unlikely overnight, but residents should remain aware of the potential for localized showers and gusty breezes in parts of the region.

15-Day Weather Outlook for Fort Smith

Thursday, Sep 10Thu Sep 10 Overcast Overcast 17°/12° 💧 None 💨 22 km/h
Friday, Sep 11Fri Sep 11 Light rain Light rain 15°/10° 💧 31 mm 💨 25 km/h
Saturday, Sep 12Sat Sep 12 Partly cloudy Partly cloudy 15°/ 💧 None 💨 17 km/h
Sunday, Sep 13Sun Sep 13 Light rain Light rain 17°/10° 💧 0.6 mm 💨 13 km/h
Monday, Sep 14Mon Sep 14 Light rain Light rain 13°/ 💧 4.4 mm 💨 12 km/h
Tuesday, Sep 15Tue Sep 15 Light rain Light rain 11°/ 💧 6.9 mm 💨 22 km/h
Wednesday, Sep 16Wed Sep 16 Light rain Light rain / 💧 0.8 mm 💨 19 km/h
Thursday, Sep 17Thu Sep 17 Mostly cloudy Mostly cloudy / 💧 0.0 mm 💨 14 km/h
Friday, Sep 18Fri Sep 18 Overcast Overcast 12°/ 💧 0.0 mm 💨 12 km/h
Saturday, Sep 19Sat Sep 19 Mostly cloudy Mostly cloudy 12°/ 💧 0.1 mm 💨 18 km/h
Sunday, Sep 20Sun Sep 20 Partly cloudy Partly cloudy 12°/ 💧 None 💨 13 km/h
Monday, Sep 21Mon Sep 21 Overcast Overcast 13°/ 💧 0.0 mm 💨 10 km/h
Tuesday, Sep 22Tue Sep 22 Mostly sunny Mostly sunny 16°/11° 💧 0.0 mm 💨 15 km/h
Wednesday, Sep 23Wed Sep 23 Overcast Overcast 15°/ 💧 0.2 mm 💨 14 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Fort Smith

Vertical axis: °C · Color based on temperature
Clear night at 10:00 PM
57° Today 10:00 PM
Clear night at 11:00 PM
56° 11:00 PM
Clear night at 12:00 AM
56° 12:00 AM
Light rain at 1:00 AM
55° 1:00 AM
Light thunderstorms at 2:00 AM
53° Tomorrow 2:00 AM
Mostly cloudy night at 3:00 AM
53° 3:00 AM
Overcast night at 4:00 AM
53° 4:00 AM
Mostly cloudy night at 5:00 AM
52° 5:00 AM
Overcast night at 6:00 AM
52° Tomorrow 6:00 AM
Overcast at 7:00 AM
52° 7:00 AM
Overcast at 8:00 AM
54° 8:00 AM
Overcast at 9:00 AM
55° 9:00 AM
Light rain at 10:00 AM
55° Tomorrow 10:00 AM
Mostly cloudy at 11:00 AM
59° 11:00 AM
Overcast at 12:00 PM
62° 12:00 PM
Overcast at 1:00 PM
64° 1:00 PM
Overcast at 2:00 PM
64° Tomorrow 2:00 PM
Overcast at 3:00 PM
65° 3:00 PM
Overcast at 4:00 PM
63° 4:00 PM
Overcast at 5:00 PM
63° 5:00 PM
Overcast at 6:00 PM
62° Tomorrow 6:00 PM
Overcast at 7:00 PM
60° 7:00 PM
Light rain at 8:00 PM
58° 8:00 PM
Light rain at 9:00 PM
57° 9:00 PM
Light rain at 10:00 PM
56° Tomorrow 10:00 PM
Light rain at 11:00 PM
55° 11:00 PM
Light rain at 12:00 AM
55° 12:00 AM
Light rain at 1:00 AM
55° 1:00 AM
Light rain at 2:00 AM
54° Thursday 2:00 AM
Light rain at 3:00 AM
54° 3:00 AM
Light rain at 4:00 AM
54° 4:00 AM
Light rain at 5:00 AM
54° 5:00 AM
Light rain at 6:00 AM
53° Thursday 6:00 AM
Light rain at 7:00 AM
53° 7:00 AM
Light rain at 8:00 AM
53° 8:00 AM
Mostly cloudy at 9:00 AM
54° 9:00 AM
Overcast at 10:00 AM
57° Thursday 10:00 AM
Overcast at 11:00 AM
59° 11:00 AM
Overcast at 12:00 PM
60° 12:00 PM
Overcast at 1:00 PM
61° 1:00 PM
Overcast at 2:00 PM
62° Thursday 2:00 PM
Overcast at 3:00 PM
61° 3:00 PM
Light rain at 4:00 PM
61° 4:00 PM
Light rain at 5:00 PM
58° 5:00 PM
Mostly sunny at 6:00 PM
59° Thursday 6:00 PM
Light rain at 7:00 PM
56° 7:00 PM
Overcast at 8:00 PM
56° 8:00 PM
Light rain at 9:00 PM
54° 9:00 PM
Mostly cloudy night at 10:00 PM
54° Thursday 10:00 PM
Mostly cloudy night at 11:00 PM
54° 11:00 PM
Overcast night at 12:00 AM
54° 12:00 AM
Overcast night at 1:00 AM
53° 1:00 AM
Overcast night at 2:00 AM
53° Friday 2:00 AM
Overcast night at 3:00 AM
53° 3:00 AM
Overcast night at 4:00 AM
52° 4:00 AM
Overcast night at 5:00 AM
51° 5:00 AM
Overcast night at 6:00 AM
51° Friday 6:00 AM
Overcast at 3:00 PM
53° 3:00 PM
Partly cloudy at 6:00 PM
53° 6:00 PM
Overcast night at 9:00 PM
49° 9:00 PM
Overcast night at 12:00 AM
47° Saturday 12:00 AM
Overcast night at 3:00 AM
46° 3:00 AM
Overcast night at 6:00 AM
46° 6:00 AM
Overcast at 9:00 AM
47° 9:00 AM
Overcast at 12:00 PM
55° Saturday 12:00 PM
Mostly cloudy at 3:00 PM
60° 3:00 PM
Overcast at 6:00 PM
61° 6:00 PM
Light rain at 9:00 PM
55° 9:00 PM
Overcast night at 12:00 AM
51° Sunday 12:00 AM
Overcast night at 3:00 AM
50° 3:00 AM
Overcast night at 6:00 AM
50° 6:00 AM
Overcast at 9:00 AM
51° 9:00 AM
Overcast at 12:00 PM
59° Sunday 12:00 PM
Overcast at 3:00 PM
62° 3:00 PM
Light rain at 6:00 PM
54° 6:00 PM
Light rain at 9:00 PM
51° 9:00 PM
Light rain at 12:00 AM
50° Monday 12:00 AM
Overcast night at 3:00 AM
48° 3:00 AM
Overcast night at 6:00 AM
45° 6:00 AM
Mostly cloudy at 9:00 AM
47° 9:00 AM
Mostly sunny at 12:00 PM
55° Monday 12:00 PM
Light rain at 6:00 PM
52° 6:00 PM
Light rain at 12:00 AM
47° 12:00 AM
Mostly cloudy night at 6:00 AM
47° 6:00 AM
Sunny at 12:00 PM
40° Tuesday 12:00 PM
Light rain at 6:00 PM
46° 6:00 PM
Mostly clear night at 12:00 AM
45° 12:00 AM
Clear night at 6:00 AM
35° 6:00 AM
Sunny at 12:00 PM
34° Wednesday 12:00 PM
Mostly cloudy at 6:00 PM
47° 6:00 PM
Clear night at 12:00 AM
48° 12:00 AM
Overcast night at 6:00 AM
39° 6:00 AM
Overcast at 12:00 PM
43° Thursday 12:00 PM
Overcast at 6:00 PM
52° 6:00 PM
Overcast night at 12:00 AM
54° 12:00 AM
Overcast night at 6:00 AM
48° 6:00 AM
Overcast at 12:00 PM
45° Friday 12:00 PM
Mostly cloudy at 6:00 PM
54° 6:00 PM
Partly cloudy night at 12:00 AM
53° 12:00 AM
Clear night at 6:00 AM
44° 6:00 AM
Overcast at 12:00 PM
40° Saturday 12:00 PM
Partly cloudy at 6:00 PM
50° 6:00 PM
Clear night at 12:00 AM
53° 12:00 AM
Partly cloudy night at 6:00 AM
42° 6:00 AM
Mostly cloudy at 12:00 PM
39° Sunday 12:00 PM
Overcast at 6:00 PM
53° 6:00 PM
Overcast night at 12:00 AM
56° 12:00 AM
Overcast night at 6:00 AM
45° 6:00 AM
Sunny at 12:00 PM
42° Monday 12:00 PM
Mostly sunny at 6:00 PM
57° 6:00 PM
Overcast night at 12:00 AM
60° 12:00 AM
Overcast night at 6:00 AM
52° 6:00 AM
Light rain at 12:00 PM
51° Tuesday 12:00 PM
Overcast at 6:00 PM
59° 6:00 PM
Overcast night at 12:00 AM
60° 12:00 AM
Overcast night at 6:00 AM
50° 6:00 AM
Overcast at 12:00 PM
44° Wednesday 12:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Fort Smith

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 10:00 PM
PM2.5 Fine particles Good 1,0µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 1,0µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 49,4µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,1µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Fort Smith

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 3,0Moderate 😊Good
Tomorrow UV 0,8Low 😊Good
Thursday UV 0,7Low 😊Good
Friday UV 1,0Low 🙂Fair
Saturday UV 2,7Low 🙂Fair
Sunday UV 3,0Moderate Unavailable
Monday UV 3,0Moderate Unavailable
Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Fort Smith

Vertical axis: km/h · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in km/h. Today 10:00 PM 11:00 PM 12:00 AM 1:00 AM Tomorrow 2:00 AM 3:00 AM 4:00 AM 5:00 AM Tomorrow 6:00 AM 7:00 AM 8:00 AM 9:00 AM Tomorrow 10:00 AM 11:00 AM 12:00 PM 1:00 PM Tomorrow 2:00 PM 3:00 PM 4:00 PM 5:00 PM Tomorrow 6:00 PM 7:00 PM 8:00 PM 9:00 PM Tomorrow 10:00 PM 11:00 PM 12:00 AM 1:00 AM Thursday 2:00 AM 3:00 AM 4:00 AM 5:00 AM Thursday 6:00 AM 7:00 AM 8:00 AM 9:00 AM Thursday 10:00 AM 11:00 AM 12:00 PM 1:00 PM Thursday 2:00 PM 3:00 PM 4:00 PM 5:00 PM Thursday 6:00 PM 7:00 PM 8:00 PM 9:00 PM Thursday 10:00 PM 11:00 PM 12:00 AM 1:00 AM Friday 2:00 AM 3:00 AM 4:00 AM 5:00 AM Friday 6:00 AM 3:00 PM 6:00 PM 9:00 PM Saturday 12:00 AM 3:00 AM 6:00 AM 9:00 AM Saturday 12:00 PM 3:00 PM 6:00 PM 9:00 PM Sunday 12:00 AM 3:00 AM 6:00 AM 9:00 AM Sunday 12:00 PM 3:00 PM 6:00 PM 9:00 PM Monday 12:00 AM 3:00 AM 6:00 AM 9:00 AM Monday 12:00 PM 6:00 PM 12:00 AM 6:00 AM Tuesday 12:00 PM 6:00 PM 12:00 AM 6:00 AM Wednesday 12:00 PM 6:00 PM 12:00 AM 6:00 AM Thursday 12:00 PM 6:00 PM 12:00 AM 6:00 AM Friday 12:00 PM 6:00 PM 12:00 AM 6:00 AM Saturday 12:00 PM 6:00 PM 12:00 AM 6:00 AM Sunday 12:00 PM 6:00 PM 12:00 AM 6:00 AM Monday 12:00 PM 6:00 PM 12:00 AM 6:00 AM Tuesday 12:00 PM 6:00 PM 12:00 AM 6:00 AM Wednesday 12:00 PM
Sustained wind Max gusts
NIGHT SKY · FORT SMITH, NORTHWEST TERRITORIES

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 12:00 AM–1:00 AM.

99/100Best-hour score
BEST TIME TONIGHT 12:00 AM–1:00 AM Astronomical darkness: 10:53 PM–4:02 AM
Cloud cover 2% Real hourly forecast for the best viewing hour.
Moonlight 7% Waning Crescent · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 38° high at the best hour.
Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min64%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 5–SEP 21
September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak
ACTIVE NOW
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
UPCOMING
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

Forecast data for Fort Smith were last refreshed today at 9:56 PM. The current forecast period extends through 10/09/2026 at 7:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.