Merna, Nebraska Weather
Prairie lightning bugs rise. Day 77 of spring. Read this microseason across nine climate regions →
Merna weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Thunderstorm16%—84°64°—
- ThursdayJun 4Overcast37%—80°62°-4°
- FridayJun 5Foggy——85°64°+5°
- SaturdayJun 6Overcast——88°63°+3°
- SundayJun 7Overcast19%—85°64°-3°
- MondayJun 8Overcast32%—89°62°+4°
- TuesdayJun 9Mostly Clear32%—98°67°+9°
Ozone at AQI 49. AQI up 8 over the last 6 hours (gradual rise). Overcast through the UV peak window (cloud cover ~65%) — afternoon ozone should stay flat.
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 49. Overcast through the UV peak window (cloud cover ~65%) — afternoon ozone should stay flat.
- Present
- AQI 49
- UV peak
- 0.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 6.9 µg/m³, PM10 at 8.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.84
- Wind
- breezy
- 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
- 5:14 AM
- Moonset
- 2:38 PM
- In sign
- ♑︎ Capricorn
Prairie lightning bugs rise
Merna at a glance
- Today vs. normal: 76°F — typical for the season
- Last frost: April 25 (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 — Merna
SPC has placed Merna in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWMRGLMarginal Risk
- DAY 3MRGLMarginal Risk
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.