Skip to main content
Every US forecast, compared
checkweather.io
CheckWeather USFort Smith
Forecast confidence: High · models disagree by 2°F

Fort Smith weather

Loading live data…

Mostly clear,rain likely tomorrow

NWS, the American and the European model agree on a high near 104° in Fort Smith today. Tomorrow looks drizzle around 102°, with a 46% chance of rain.

104°78°
102°80°
101°80°
104°75°
104°76°
93°77°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaysplit ±7°Wednesdaysplit ±5°Thursdaysplit ±10°
NWSNational Blend (NBM)
103°
Mostly clear
Today 103°·Low 79°·Rain 3%
AmericanNOAA GFS
105°
Partly cloudy
Today 105°·Low 79°·Rain 3%
EuropeanECMWF
104°
Light drizzle
Today 104°·Low 77°·Rain 25%

The weather map: all three models at once

NWS, American, European side by side around Fort Smith and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Mostly clear
104° 78°
models agree
Tomorrow
Drizzle
102° 80°
models agree
Mon
Clear
101° 80°
models agree
Tue
Clear
104° 75°
±7°
Wed
Mostly clear
104° 76°
±5°
Thu
Mostly clear
93° 77°
±10°
Fri
Mostly clear
98° 74°
models agree
Sat
Light drizzle
101° 75°
±6°
Sun
Showers
98° 74°
±9°
Mon
Light drizzle
92° 71°
±14°
Tue
Mostly clear
84° 68°
±10°
Wed
Cloudy
85° 60°
±6°
Thu
Clear
89° 60°
models agree
Fri
Clear
91° 62°
±5°

Fort Smith, AR is at its warmest in Aug (average highs near 93°F) and coldest in Jan (lows around 31°F), with roughly 51 in of precipitation across the year. Below, compare what NWS, American, European forecast for Fort Smith right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Fort Smith climate by month

average daytime high and overnight low across a typical year
Jan
49°
31°
Feb
61°
39°
Mar
65°
44°
Apr
72°
52°
May
81°
62°
Jun
90°
69°
Jul
92°
73°
Aug
93°
73°
Sep
86°
66°
Oct
77°
56°
Nov
64°
45°
Dec
55°
38°

Which forecast is most accurate in Fort Smith?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
88
/100rank #1
90±1.0°F95±1.4 mph8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
79
/100rank #2
72±2.8°F95±1.5 mph7687% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±2°103° to 105°±22%3% to 25% chance
Tomorrow±2°101° to 103°±35%11% to 46% chance
Mon±1°101° to 102°±17%3% to 20% chance
Tue±7°101° to 109°±1%1% to 2% chance
Wed±5°102° to 107°±6%2% to 8% chance

The models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Fort Smith

today, local time
Sunrise
06:53
Sunset
19:39
Daylight
12h 46m

Common questions

What's the weather in Fort Smith today?
On this page we show what NWS, American, European each forecast for Fort Smith today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Fort Smith today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Fort Smith and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Fort Smith?
Over the last 30 days, the European model has been the most accurate for Fort Smith (CheckWeather Score 88/100), ahead of the American at 79. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Fort Smith?
August is typically the warmest month in Fort Smith, with average highs around 93°F.
How cold does Fort Smith get?
The coldest month in Fort Smith is January, when overnight lows average about 31°F.
How much rain does Fort Smith get?
Fort Smith sees roughly 51 in of precipitation a year, with March usually the wettest month.

Nearby

More US weather