Arthur, Nebraska Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Arthur weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast26%—87°62°—
- SundayJul 5Clear——90°63°+3°
- MondayJul 6Overcast17%—93°63°+3°
- TuesdayJul 7Light Showers45%0.21″96°69°+3°
- WednesdayJul 8Light Showers45%—86°66°-10°
- ThursdayJul 9Overcast35%—91°66°+5°
- FridayJul 10Overcast35%—85°67°-6°
AQI 66 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 13.1 µg/m³ (AQI 58) with a 0.81 fine-to-coarse ratio and 6 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 49 now. With UV 0.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 12 around 1 PM.
- Present
- AQI 49
- UV peak
- 0.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 12
PM × Wind × Precip
PM2.5 at 13.1 µg/m³ (AQI 58) with a 0.81 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.81
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:06 PM
- Moonset
- 11:01 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Arthur at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 69121
16-Day Forecast — Arthur
- Sat87°62°26%
- Sun90°61°1%
- Mon93°63°17%
- Tue96°69°45%
- Wed86°66°45%
- Thu91°66°35%
- Fri85°67°35%
- Sat88°65°7%
- Sun90°67°5%
- Mon97°66°5%
- Tue99°70°14%
- Wed105°75°14%
- Thu106°78°13%
- Fri97°77°13%
- Sat103°74°16%
- Sun82°68°13%
Forecast data from Open-Meteo (CC BY 4.0).
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 — Arthur
SPC has placed Arthur in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
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 Arthur
- 69121