Hallam, Nebraska Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Hallam weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Heavy Showers79%1.6″72°67°—
- FridayJun 5Thunderstorm21%—81°65°+9°
- SaturdayJun 6Thunderstorm31%—89°69°+8°
- SundayJun 7Overcast59%—79°66°-10°
- MondayJun 8Thunderstorm32%—92°66°+13°
- TuesdayJun 9Thunderstorm32%—100°76°+8°
- WednesdayJun 10Mostly Clear12%—99°77°-1°
Ozone at AQI 39. AQI flat over the last 6 hours (within ±3 points). Overcast through the UV peak window (cloud cover ~83%) — 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 39. Overcast through the UV peak window (cloud cover ~83%) — afternoon ozone should stay flat.
- Present
- AQI 39
- UV peak
- 3.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 8
PM × Wind × Precip
PM scrubbed by 5 hours of recent rain — PM2.5 down to 5.4 µg/m³, PM10 to 5.7 µg/m³.
- PM2.5/PM10
- 0.95
- Wind
- light
- Recent rain
- 5h in last 6h
- Pattern
- washed out
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
- 4:58 AM
- Moonset
- 2:28 PM
- In sign
- ♒︎ Aquarius
Fireflies pulse through the magnolias
Hallam at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: April 19 (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 — Hallam
SPC has placed Hallam in the Slight Risk category for severe thunderstorms tomorrow.
- TODAYMRGLMarginal Risk
- 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.