La Junta, Colorado Weather
Heat hardens the dust. Day 77 of spring. Read this microseason across nine climate regions →
La Junta weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Light Drizzle10%—76°56°—
- ThursdayJun 4Foggy——93°54°+17°
- FridayJun 5Overcast11%—97°60°+4°
- SaturdayJun 6Overcast11%—94°68°-3°
- SundayJun 7Overcast——97°67°+3°
- MondayJun 8Overcast33%—96°70°-1°
- TuesdayJun 9Partly Cloudy26%—103°72°+7°
Ozone at AQI 39 now. AQI up 6 over the last 6 hours (gradual rise). With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 9 by mid-afternoon.
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 39 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 9 by mid-afternoon.
- Present
- AQI 39
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 5.3 µg/m³, PM10 at 27.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.19
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 5:18 AM
- Moonset
- 3:05 PM
- In sign
- ♑︎ Capricorn
Heat hardens the dust
La Junta at a glance
- Today vs. normal: 11°F below the seasonal normal for this latitude
- Last frost: April 4 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 4, 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 — La Junta
SPC has placed La Junta in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- 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.