NWS, American, European side by side around Fort Smith and nearby towns.Live rain radar →
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Next 14 hours
consensus of the three models
7-day forecast
where the models agree, and where they split
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.
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°
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?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Fort Smith forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Fort Smith?
Aug 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 Jan, 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 Mar usually the wettest month.
The forecasts Americans check
The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.