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Fort Smith, AR weather, straight from the source.

Current conditions, official National Weather Service forecasts and alerts, rain timing, local radar, air quality, wind, humidity, sunrise, sunset, and the latest reported update for Fort Smith, AR. Always follow local warnings and emergency instructions.

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Weather status

Heat Advisory

Heat Advisory issued September 7 at 7:02PM CDT until September 8 at 7:00PM CDT by NWS Tulsa OK Expires Tue, 7:00 PM CDT.

View alert detailsOfficial NWS ↗
Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes

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What’s next

Hourly forecast

⌖ Fort Smith, AR

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Fort Smith, AR. Forecasts and alerts update from NOAA and the National Weather Service.

88°Mostly Clear1% rain
86°Mostly Clear1% rain
84°Clear1% rain
83°Clear10% rain
82°Mostly Clear10% rain
81°Mostly Clear10% rain
79°Clear10% rain
78°Mostly Clear10% rain

Next 24 hours

Rain Timeline

Highest chance 19%

No meaningful precipitation is expected in the official hourly forecast.

1%None
1%None
1%None
10%None
10%None
10%None
10%None
10%None
10%None
2%None
2%None
2%None
1%None
1%None
1%None
17%Thunderstorms
17%Thunderstorms
17%Thunderstorms
19%Thunderstorms
19%Thunderstorms
19%Thunderstorms
1%None
1%None
1%None

Official NWS outlook

7-Day Forecast

High / low temperatures

Today

! NWS
88°77°

Mostly Clear

Precipitation
10%
Wind
E 5 mph
Sunrise
6:55 AM
Sunset
7:38 PM

Tue

103°77°

Sunny then Slight Chance Showers And Thunderstorms

Precipitation
19%
Wind
SE 0 to 5 mph
Sunrise
6:56 AM
Sunset
7:37 PM

Wed

102°77°

Sunny

Precipitation
8%
Wind
S 0 to 5 mph
Sunrise
6:57 AM
Sunset
7:35 PM

Thu

96°74°

Chance Showers And Thunderstorms

Precipitation
53%
Wind
W 0 to 5 mph
Sunrise
6:57 AM
Sunset
7:34 PM

Fri

96°75°

Chance Showers And Thunderstorms

Precipitation
31%
Wind
SE 0 to 5 mph
Sunrise
6:58 AM
Sunset
7:32 PM

Sat

98°74°

Slight Chance Showers And Thunderstorms

Precipitation
20%
Wind
S 0 to 5 mph
Sunrise
6:59 AM
Sunset
7:31 PM

Sun

97°74°

Slight Chance Rain Showers

Precipitation
15%
Wind
SE 0 to 5 mph
Sunrise
7:00 AM
Sunset
7:29 PM

Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.

Weather guidance for your areaPlan with the complete forecast

Use current official weather information for Fort Smith, AR before making weather-sensitive plans.

Safety guides

Weather for a healthier day

Healthy Weather

Real Feel94°F
Use caution walking outside

Heat Advisory is active. Review the official alert before going outside.

WindE6 mph
Best walk timeBetter weather window: 7 AM–9 AM

Walking: 2% average rain chance, near 78°F, with winds near 5 mph. Review the active Heat Advisory.

Official EPA AirNowLocal air qualityFort Smith, AR
View AQI +
Full air-quality page →AirNow details ↗Smoke and fire map ↗
More weather details
Wind gustsNot reported
Rain now1%next hour
Humidity59%current
UV indexCheckingEPA forecast

Wind impact: Light wind with little expected outdoor impact.

Full Healthy Weather guides and reminders →

“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.

Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure29.96 in
Visibility10.0 mi
Peak rain chance19%
Dew point72°F
Active alerts1

Official risk outlooks

These national tools add expert storm, heavy-rain and flooding context to your local forecast.

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Official tropical weather

Hurricane center

NOAA National Hurricane Center updates, outlooks, and storm resources in one place.

Simple, useful help

Weather safety guides

Quick answers for heat, storms, flooding and hurricane preparation—kept separate so your main weather page stays clean.

View all guides →

Hot weather

Heat and sun safety

Plan outdoor time and recognize dangerous heat.

Severe weather

Storms and lightning

Know when to move indoors and where to shelter.

Travel safety

Flooding and driving

Avoid flooded roads and prepare before a trip.

Stay weather-ready

Active NWS alerts

Weather safety ↗

Moderate · Expected

Heat Advisory

Applies to: Benton; Carroll; North and Central Sebastian; Southern Crawford; Central and Southern Franklin; Southern Sebastian; Pushmataha; Choctaw; Washington; Nowata; Craig; Ottawa; Pawnee; Tulsa; Rogers; Mayes; Delaware; Creek; Okfuskee; Okmulgee; Wagoner; Cherokee; Muskogee; McIntosh; Pittsburg; Haskell; Latimer; Western Osage; Northern Sequoyah; Northern Le Flore; Northeast Osage; Central and Southern Sequoyah; Central Le Flore; Southeast Osage; Southern Le FloreIssued by: NWS Tulsa OKHeat Advisory issued September 7 at 7:02PM CDT until September 8 at 7:00PM CDT by NWS Tulsa OK
Alert details* WHAT...Heat index values up to 109 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...From noon to 7 PM CDT Tuesday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.
Safety instructionsTake extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
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