Johnson, Nebraska Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Johnson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——83°63°—
- ThursdayJun 4Showers47%1.8″78°65°-5°
- FridayJun 5Thunderstorm63%0.35″86°67°+8°
- SaturdayJun 6Thunderstorm63%0.06″88°67°+2°
- SundayJun 7Showers57%0.40″81°68°-7°
- MondayJun 8Showers34%0.27″81°66°0°
- TuesdayJun 9Thunderstorm15%—92°71°+11°
Ozone at AQI 36. AQI up 6 over the last 6 hours (gradual rise). Overcast through the UV peak window (cloud cover ~100%) — 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 36. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 36
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
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
- 4:54 AM
- Moonset
- 2:25 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Johnson at a glance
- Today vs. normal: 74°F — typical for the season
- Last frost: April 18 (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 — Johnson
SPC has placed Johnson in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3SLGTSlight Risk
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.