Omaha, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Omaha weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast20%—92°70°—
- SundayJul 5Showers28%0.26″88°72°-4°
- MondayJul 6Overcast28%—88°71°0°
- TuesdayJul 7Overcast14%—84°69°-4°
- WednesdayJul 8Clear16%—88°66°+4°
- ThursdayJul 9Overcast31%—91°71°+3°
- FridayJul 10Thunderstorm45%0.47″87°71°-4°
AQI 53 (Moderate), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 46 now. With UV 7.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 46 around 1 PM.
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 46 now. With UV 7.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 46 around 1 PM.
- Present
- AQI 46
- UV peak
- 7.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 46
PM × Wind × Precip
PM2.5 at 6.5 µg/m³ (AQI 36) with a 0.93 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- 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
- 10:45 PM
- Moonset
- 10:02 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Omaha at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: April 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 62871
16-Day Forecast — Omaha
- Sat92°70°20%
- Sun88°72°28%
- Mon88°71°28%
- Tue84°69°14%
- Wed88°66°16%
- Thu91°71°31%
- Fri87°71°45%
- Sat89°71°34%
- Sun79°64°15%
- Mon74°59°9%
- Tue78°61°8%
- Wed82°63°10%
- Thu82°65°16%
- Fri78°71°14%
- Sat84°71°26%
- Sun90°72°26%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 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 — Omaha
SPC has placed Omaha in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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.
ZIP codes in Omaha
- 62871