Weather StoryAlmanac, microseasons, and the day's weather story.

Gretna, Nebraska Weather

Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →

Gretna weather forecast — hour by hour, 7-day outlook, NOAA radar

Gretna, NE
Saturday, July 4 at 10:09 PM
74
°
Clear
Feels like
79°
Humidity
74%
Wind
2 mph
Sunrise
12:58 AM
Sunset
4:00 PM
Gretna, NE
Hour by hour · 24h
24-Hour ForecastGretna, NE: 24-hour forecast. Temperatures range from 67 to 89 degrees Fahrenheit.
L 67°H 89°
Gretna, NE
7-day forecast
  1. Today
    Jul 4
    Heavy Drizzle
    67%
    0.05″
    80°68°
  2. Sunday
    Jul 5
    Overcast
    89°67°+9°
  3. Monday
    Jul 6
    Overcast
    90°70°+1°
  4. Tuesday
    Jul 7
    Overcast
    89°68°-1°
  5. Wednesday
    Jul 8
    Light Drizzle
    46%
    92°69°+3°
  6. Thursday
    Jul 9
    Drizzle
    46%
    83°66°-9°
  7. Friday
    Jul 10
    Mostly Clear
    21%
    89°66°+6°
Gretna, NE
Anemometer · 24h winds · from true
NESW
From · True
S
180° · veering 72°
Direction
S
180°
Sustained
2
mph
Gust
2
mph
Peak 24h
23
avg 6
Beaufort · 1 · LIGHT AIR
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 6 · pk 23 @ 8:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 135SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Gretna, NE
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
970.6
+0.8 mb in 3h · rising · 28.66 inHg
Now
970.6
mb
3h
+0.8
mb
12h
-2.4
mb
24h
+1.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 968973
960965970975980-21h-18h-15h-12h-9h-6h-3h-24hNOW973.0967.6970.6
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Gretna, NE
Air quality
49
AQI
Good
+4 in 6h

AQI 49 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 9.0 µg/m³ (AQI 50) with a 0.84 fine-to-coarse ratio and 2 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.

PM 2.5DRIVERGood
9.0μg/m³
PM 10Good
11μg/m³
NO₂Good
11μg/m³
OzoneModerate
70μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 33 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 8 around 1 PM.

Present
AQI 33
UV peak
0.0 at 1 PM
Sky at peak
clear
Projected peak
AQI 8

PM × Wind × Precip

PM2.5 at 9.0 µg/m³ (AQI 50) with a 0.84 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.84
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
Gretna, NE
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
42.6mi
UNLIMITED
50 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
03:09 UTC · Gretna, NE · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
03:09 UTC · Gretna, NE · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Gretna, NE
Satellite · infrared · animated
Gretna, NE
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Gretna, NE
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:25 AM
Sunrise
12:58 AM
Daylight
15h 02m
Sunset
4:00 PM
Civil dusk
9:35 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Gretna, NE
The moon
Waning Gibbous
76% illuminated
Moonrise
11:44 PM
Moonset
11:38 AM
In sign
♓︎ Pisces
Gretna, NE
Microseason
Jul 1–5

Cicadas claim the afternoon

weather
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Gretna at a glance

  • Today vs. normal: 3°F above the seasonal normal for this latitude
  • Last frost: April 23 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 68028

16-Day Forecast — Gretna

  1. Sat80°68°67%
  2. Sun89°67°3%
  3. Mon90°70°2%
  4. Tue89°68°2%
  5. Wed92°69°46%
  6. Thu83°66°46%
  7. Fri89°66°21%
  8. Sat83°67°5%
  9. Sun81°61°4%
  10. Mon90°64°3%
  11. Tue96°69°4%
  12. Wed93°70°5%
  13. Thu109°72°9%
  14. Fri97°75°10%
  15. Sat98°75°13%
  16. Sun93°72°17%

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 — Gretna

SPC has placed Gretna in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • 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 Gretna

  • 68028
  • 68138

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.