Lamar, Arkansas Weather
Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →
Lamar weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast11%—91°69°—
- MondayJul 6Heavy Drizzle21%0.06″94°74°+3°
- TuesdayJul 7Overcast17%—92°74°-2°
- WednesdayJul 8Clear——96°71°+4°
- ThursdayJul 9Partly Cloudy——102°71°+6°
- FridayJul 10Overcast17%—101°73°-1°
- SaturdayJul 11Overcast20%—99°73°-2°
AQI 38 (Good), driven by PM2.5. AQI up 7 over the last 6 hours (gradual rise). PM2.5 at 8.4 µg/m³ (AQI 47) with a 0.84 fine-to-coarse ratio and 2 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
Ozone × UV × Sky
Ozone at AQI 32. Overcast through the UV peak window (cloud cover ~64%) — afternoon ozone should stay flat.
- Present
- AQI 32
- UV peak
- 0.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 8.4 µg/m³ (AQI 47) with a 0.84 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.84
- 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).








































When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 11:55 PM
- Moonset
- 12:32 PM
- In sign
- ♓︎ Pisces
Thunderheads boil and break at dusk
Lamar at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: March 20 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 72846
16-Day Forecast — Lamar
- Sun91°69°11%
- Mon94°74°21%
- Tue92°74°17%
- Wed96°71°7%
- Thu102°71°4%
- Fri101°73°17%
- Sat99°73°20%
- Sun97°74°12%
- Mon102°74°9%
- Tue103°76°4%
- Wed105°77°3%
- Thu96°70°13%
- Fri107°71°21%
- Sat96°74°23%
- Sun98°68°29%
- Mon102°70°16%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, 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 — Lamar
SPC has placed Lamar in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Lamar
- 72830
- 72846