Grand Island, Nebraska Weather
Prairie lightning bugs rise. Day 78 of spring. Read this microseason across nine climate regions →
Grand Island weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Heavy Drizzle52%0.07″74°63°—
- FridayJun 5Foggy21%—87°65°+13°
- SaturdayJun 6Thunderstorm12%—91°68°+4°
- SundayJun 7Overcast22%—88°68°-3°
- MondayJun 8Thunderstorm30%—93°65°+5°
- TuesdayJun 9Overcast30%—105°74°+12°
- WednesdayJun 10Overcast11%—100°77°-5°
Ozone at AQI 37 now. AQI up 7 over the last 6 hours (gradual rise). With UV 0.1 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 37 now. With UV 0.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 9 by mid-afternoon.
- Present
- AQI 37
- UV peak
- 0.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 9
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
- 5:37 AM
- Moonset
- 3:40 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
Grand Island at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: April 22 (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 — Grand Island
SPC has placed Grand Island in the Slight Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWSLGTSlight Risk
- 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.