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Kearney

40.700° N   99.082° W  ·  662 M
62 /100
PEAK
Worth setting up — 2 hours of workable sky from 04:00.
BEST WINDOW 04:00–06:00 · ASTRO DARK 23:00–06:00 · MOON 1%
Transparency
0.45
Seeing
0.83
Cloud
5%
Moon
1%

Good tonight

Hour by hour, local to Kearney. Colour encodes the score and nothing else; every other measurement is luminance.

Sky state
Lighter = daylight and twilight  ·  unshaded = astronomical dark
Score
21
22
23
00
01
02
03
04
05
06
07
0
16
20
4
15
11
28
59
62
2
0
BEST WINDOW
Low cloud
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Mid cloud
44%
34%
23%
94%
52%
68%
29%
0%
4%
99%
45%
High cloud
99%
99%
100%
100%
88%
98%
70%
10%
1%
0%
0%
Transparency
0.72
0.45
0.10
0.10
0.10
0.21
0.20
0.21
0.23
0.27
0.35
Seeing
0.65
0.62
0.41
0.55
0.51
0.65
0.69
0.65
0.75
0.83
0.95
Moon clear
down
down
down
down
down
down
down
down
down
down
down
Inspect

Cloud tracks show clear sky — a longer bar is better. The figure inside each track is the raw measurement.

Why this hour scored what it did
21 Clouded out · 0/100
Starting from
100
Cloud
−72
Transparency
−3
Seeing
−2
Moonlight
−0
Darkness
−22
Score
0
CLOUD 100% LOW 0% MID 44% HIGH 99% SUN -4.5° MOON -0.4° / 0% WIND 6 TEMP 28°
Excellent 75+ Good 55+ Fair 35+ Poor 15+ Not worth it Seeing is estimated from surface wind — see how we score.
Tonight's limiting factor
When a clear gap is worth driving for

Ask how long the gap is relative to your setup time and your exposure length. A two-hour gap is a real session for a visual observer and close to worthless for someone doing four-minute subs on a target that needs three hours.

What are you doing tonight?

The same forecast, weighted for the target. Planetary work barely cares about moonlight; long exposures die on high cloud a visual observer would never notice.

SET UP 03:30 · OBSERVE 04:00–06:00 · 2H · MEAN 64

Darkness and moonlight dominate. Faint fuzzies need a genuinely dark sky more than they need steady air.

212301030507
HIGH CLOUD CLEARS 04:00CLOUD RETURNS 06:00
SET UP 03:30 · OBSERVE 04:00–06:00 · 2H · MEAN 69

Seeing is everything and moonlight is irrelevant. Bright targets punch through twilight, so darkness barely counts.

212301030507
HIGH CLOUD CLEARS 04:00CLOUD RETURNS 06:00MOONLIGHT IGNORED FOR THIS TARGET
SET UP 03:30 · OBSERVE 04:00–06:00 · 2H · MEAN 59

Tolerates soft seeing, but high cloud wrecks a wide frame and moonlight raises the background everywhere.

212301030507
HIGH CLOUD CLEARS 04:00CLOUD RETURNS 06:00
SET UP 03:30 · OBSERVE 04:00–06:00 · 2H · MEAN 49

Needs conditions to hold still for hours. Sustained transparency matters more than any single good hour.

212301030507
HIGH CLOUD CLEARS 04:00CLOUD RETURNS 06:00
SET UP 03:30 · OBSERVE 04:00–06:00 · 2H · MEAN 70

Naked eye, whole sky. Total cloud and moonlight are the only things that count.

212301030507
HIGH CLOUD CLEARS 04:00CLOUD RETURNS 06:00
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The next week of nights

Tonight · 12 Aug
62
Good
MOON 0%
04:00–06:00
Tomorrow · 13 Aug
30
Poor
MOON 3%
Friday · 14 Aug
30
Poor
MOON 7%
Saturday · 15 Aug
28
Poor
MOON 15%
Sunday · 16 Aug
32
Poor
MOON 23%
Monday · 17 Aug
70
Good
MOON 32%
01:00–02:00
Tuesday · 18 Aug
85
Excellent
MOON 42%
01:00–02:00
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Nearby locations

About this forecast

Conditions for Kearney, Nebraska, United States are computed from the MET Norway forecast model for these exact coordinates, combined with sun and moon positions we calculate directly. The score weighs cloud cover by layer, atmospheric transparency, estimated seeing, moonlight and how dark the sky actually gets. Read the full method →