Fort Smith, Montana Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Fort Smith weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Clear——92°57°—
- SundayJul 5Overcast15%—98°67°+6°
- MondayJul 6Light Drizzle58%—88°66°-10°
- TuesdayJul 7Heavy Showers58%0.61″89°63°+1°
- WednesdayJul 8Light Drizzle32%—93°64°+4°
- ThursdayJul 9Overcast32%—87°65°-6°
- FridayJul 10Clear——92°60°+5°
AQI 49 (Good), driven by Ozone. AQI up 13 over the last 6 hours (gradual rise). Ozone at AQI 53 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 53 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 53
- UV peak
- 1.5 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 53
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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:35 PM
- Moonset
- 11:25 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Fort Smith at a glance
- Today vs. normal: 25°F above the seasonal normal for this latitude
- Last frost: May 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 59035
16-Day Forecast — Fort Smith
- Sat92°57°8%
- Sun98°65°15%
- Mon88°66°58%
- Tue89°63°58%
- Wed93°64°32%
- Thu87°65°32%
- Fri92°60°6%
- Sat103°69°2%
- Sun110°82°2%
- Mon104°74°7%
- Tue106°81°22%
- Wed109°78°28%
- Thu109°77°29%
- Fri105°67°11%
- Sat106°72°13%
- Sun101°72°13%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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.
SPC Convective Outlook
Storm Prediction Center — Fort Smith
SPC includes Fort Smith in the general thunderstorm area tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Fort Smith
- 59035