Grand Island, Nebraska Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Grand Island weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast12%—87°69°—
- SundayJul 5Overcast10%—94°68°+7°
- MondayJul 6Overcast——94°71°0°
- TuesdayJul 7Overcast——94°70°0°
- WednesdayJul 8Drizzle40%—91°67°-3°
- ThursdayJul 9Heavy Showers40%0.32″88°65°-3°
- FridayJul 10Light Drizzle16%—90°67°+2°
AQI 49 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 12.3 µg/m³ (AQI 57) with a 0.75 fine-to-coarse ratio and 4 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 36 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 9 around 1 PM.
- Present
- AQI 36
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 12.3 µg/m³ (AQI 57) with a 0.75 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.75
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:52 PM
- Moonset
- 11:47 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Grand Island at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 68801, 68803
16-Day Forecast — Grand Island
- Sat87°69°12%
- Sun94°68°10%
- Mon94°71°0%
- Tue94°70°4%
- Wed91°67°40%
- Thu88°65°40%
- Fri90°67°16%
- Sat85°67°8%
- Sun87°63°5%
- Mon91°66°2%
- Tue100°69°3%
- Wed103°70°7%
- Thu112°72°16%
- Fri104°74°14%
- Sat110°76°24%
- Sun93°71°12%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Grand Island
Right now in the garden
Peak growing season
As of July 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 Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3NONENo severe 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.
ZIP codes in Grand Island
- 68803
- 68801