Fort Smith, Arkansas Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Fort Smith weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——81°69°—
- TuesdayJun 16Thunderstorm——86°69°+5°
- WednesdayJun 17Thunderstorm——92°69°+6°
- ThursdayJun 18Light Drizzle50%—87°67°-5°
- FridayJun 19Light Drizzle50%—86°69°-1°
- SaturdayJun 20Overcast20%—93°63°+7°
- SundayJun 21Thunderstorm36%—93°72°0°
AQI 27 (Good), driven by PM2.5. AQI down 6 over the last 6 hours (gradual decline). PM2.5 at 10.3 µg/m³ (AQI 53) with a 0.96 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 10.3 µg/m³ (AQI 53) with a 0.96 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:09 AM
- Moonset
- 8:46 PM
- In sign
- ♊︎ Gemini
Sun climbs to its northern throne
Fort Smith at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: March 19 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Fort Smith
- Mon81°69°4%
- Tue86°69°5%
- Wed92°69°3%
- Thu87°67°50%
- Fri86°69°50%
- Sat93°63°20%
- Sun93°72°36%
- Mon91°75°53%
- Tue80°68°46%
- Wed82°70°31%
- Thu92°71°20%
- Fri95°70°16%
- Sat96°74°16%
- Sun97°73°30%
- Mon95°71°36%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Fort Smith
Right now in the garden
Peak growing season
As of June 15, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
ZIP codes in Fort Smith
- 72908
- 72901
- 72904
- 72923
- 72916
- 72903
- 72906
- 72913
- 72914
- 72917
- 72918
- 72919