Byron, Nebraska Weather
Prairie lightning bugs rise. Day 78 of spring. Read this microseason across nine climate regions →
Byron weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Thunderstorm15%—89°63°—
- SaturdayJun 6Thunderstorm11%—91°69°+2°
- SundayJun 7Overcast23%—81°66°-10°
- MondayJun 8Thunderstorm42%—91°66°+10°
- TuesdayJun 9Thunderstorm42%—101°73°+10°
- WednesdayJun 10Overcast——100°76°-1°
- ThursdayJun 11Overcast15%—86°65°-14°
AQI 32 (Good), driven by Ozone. AQI down 7 over the last 6 hours (steady decline since this morning). Ozone at AQI 30 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 13 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 30 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 13 by mid-afternoon.
- Present
- AQI 30
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 13
PM × Wind × Precip
PM2.5 at 4.9 µg/m³ (AQI 27) with a 0.94 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- Wind
- light
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 5:32 AM
- Moonset
- 3:39 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
Byron at a glance
- Today vs. normal: 10°F below the seasonal normal for this latitude
- Last frost: April 16 (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 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 — Byron
SPC has placed Byron in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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.