Observed 3:15 AM CDT at KAUH

Hordville, NE weather

Clear and 64°18°, jacket by 8 PM.

Mostly agree

Now 64°18°

Clear

Wind: 13 mph21 km/hgusts 20 mph32 km/h; From the south. 1016–15 mph24 km/h through 3 PM
Dew point: 48°9°; Comfortable
UV index: 0Low; Moderate 12–3 PM · peak 4
Pressure: 30.07 inHg1018 hPa; Rising slowly · +0.02 inHg+0.6 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (62°17° then, 64°18° now)

Good hours for

Gusts to 29 mph47 km/h until 7 AM
High 68°20° today at noon
Below 60°16° tonight after 6 PM
Rain tomorrow night from 7 PM (70%, 0.92 in23 mm)

TonightNear 64°18° · rain chance 10% · gusts to 29 mph47 km/h · Mostly cloudy
This morningUp to 67°19° by 11 AM · rain chance 20% · gusts to 26 mph42 km/h · Mostly cloudy
This afternoonDown to 62°17° by 4 PM · rain chance 10% · Cloudy
TonightDown to 47°8° by 5 AM · Mostly cloudy
Tomorrow morningUp to 56°13° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 67°19° by 5 PM · rain chance 20% · Mostly cloudy
Tomorrow nightDown to 55°13° by 1 AM · Rain 7 PM–3 AM (70%)

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 3a	Cloudy	65°18° (likely 65°18° to 66°19°)	65°18°	5%	15 mph24 km/h from S, gusts 27 mph43 km/h	54%	74%	0
Sat 4a	Cloudy	63°17° (likely 63°17° to 66°19°)	63°17°	10%	15 mph24 km/h from S, gusts 27 mph43 km/h	60%	76%	0
Sat 5a	Cloudy	62°17° (likely 62°17° to 65°18°)	62°17°	10%	15 mph24 km/h from S, gusts 29 mph46 km/h	62%	76%	0
Sat 6a	Cloudy	61°16° (likely 61°16° to 65°18°)	61°16°	20%	15 mph24 km/h from S, gusts 26 mph41 km/h	67%	88%	0
Sat 7a	Cloudy	61°16° (likely 61°16° to 65°18°)	61°16°	20%	15 mph24 km/h from S, gusts 23 mph37 km/h	67%	87%	0
Sat 8a	Cloudy	60°16° (likely 60°16° to 65°18°)	60°16°	20%	15 mph24 km/h from S, gusts 18 mph28 km/h	72%	74%	0
Sat 9a	Partly sunny	62°17° (likely 62°17° to 65°18°)	62°17°	10%	10 mph16 km/h from SSW, gusts 17 mph27 km/h	72%	74%	0
Sat 10a	Partly sunny	64°18° (likely 64°18° to 67°19°)	64°18°	10%	10 mph16 km/h from SSW, gusts 18 mph29 km/h	70%	75%	1
Sat 11a	Mostly cloudy	67°19° (likely 65°18° to 70°21°)	67°19°	10%	10 mph16 km/h from WSW, gusts 14 mph22 km/h	65%	86%	2
Sat 12p	Cloudy	68°20° (likely 63°17° to 71°22°)	68°20°	10%	10 mph16 km/h from NW, gusts 16 mph25 km/h	63%	96%	4
Sat 1p	Cloudy	67°19° (likely 60°16° to 71°22°)	67°19°	5%	10 mph16 km/h from NNW, gusts 20 mph33 km/h	65%	100%	4
Sat 2p	Cloudy	66°19° (likely 58°14° to 68°20°)	66°19°	5%	15 mph24 km/h from N, gusts 24 mph38 km/h	63%	91%	4
Sat 3p	Cloudy	64°18° (likely 57°14° to 65°18°)	64°18°	5%	15 mph24 km/h from N, gusts 22 mph36 km/h	60%	80%	1
Sat 4p	Cloudy	62°17° (likely 56°13° to 63°17°)	62°17°	5%	15 mph24 km/h from N, gusts 21 mph34 km/h	60%	78%	2
Sat 5p	Cloudy	62°17° (likely 55°13° to 62°17°)	62°17°	5%	15 mph24 km/h from N, gusts 21 mph34 km/h	60%	80%	2
Sat 6p	Cloudy	58°14° (likely 53°12° to 58°14°)	58°14°	5%	15 mph24 km/h from N, gusts 21 mph34 km/h	67%	80%	1
Sat 7p	Cloudy	56°13° (likely 51°11° to 56°13°)	56°13°	5%	10 mph16 km/h from N, gusts 21 mph34 km/h	69%	78%	0
Sat 8p	Cloudy	53°12° (likely 50°10° to 53°12°)	53°12°	5%	10 mph16 km/h from N, gusts 20 mph32 km/h	74%	74%	0
Sat 9p	Cloudy	52°11° (likely 49°9° to 52°11°)	52°11°	5%	10 mph16 km/h from N, gusts 20 mph32 km/h	77%	68%	0
Sat 10p	Cloudy	51°11° (likely 49°9° to 51°11°)	51°11°	10%	10 mph16 km/h from NNE, gusts 17 mph28 km/h	80%	63%	0
Sat 11p	Cloudy	50°10° (likely 48°9° to 51°11°)	47°8°	5%	10 mph16 km/h from NNE, gusts 16 mph26 km/h	83%	57%	0
Sun 12a	Mostly cloudy	49°9° (likely 48°9° to 50°10°)	46°8°	5%	5 mph8 km/h from NNE, gusts 15 mph24 km/h	86%	35%	0
Sun 1a	Mostly cloudy	49°9° (likely 47°8° to 50°10°)	47°8°	5%	5 mph8 km/h from NNE, gusts 14 mph23 km/h	86%	57%	0
Sun 2a	Cloudy	48°9° (likely 47°8° to 49°9°)	45°7°	5%	5 mph8 km/h from NNE, gusts 14 mph23 km/h	89%	69%	0
Sun 3a	Mostly cloudy	48°9° (likely 46°8° to 49°9°)	45°7°	5%	5 mph8 km/h from NNE, gusts 14 mph22 km/h	89%	43%	0
Sun 4a	Cloudy	48°9° (likely 46°8° to 48°9°)	45°7°	5%	5 mph8 km/h from NNE, gusts 13 mph22 km/h	89%	74%	0
Sun 5a	Cloudy	47°8° (likely 46°8° to 49°9°)	44°7°	5%	5 mph8 km/h from NNE, gusts 12 mph20 km/h	93%	76%	0
Sun 6a	Cloudy	46°8° (likely 45°7° to 49°9°)	43°6°	5%	5 mph8 km/h from NNE, gusts 12 mph20 km/h	96%	79%	0
Sun 7a	Cloudy	46°8° (likely 45°7° to 50°10°)	43°6°	5%	5 mph8 km/h from NE, gusts 12 mph19 km/h	96%	75%	0
Sun 8a	Partly sunny	45°7° (likely 45°7° to 49°9°)	43°6°	5%	5 mph8 km/h from NE, gusts 12 mph19 km/h	100%	63%	0
Sun 9a	Cloudy	48°9° (likely 47°8° to 50°10°)	45°7°	5%	5 mph8 km/h from ENE, gusts 12 mph20 km/h	96%	87%	0
Sun 10a	Cloudy	53°12° (likely 49°9° to 53°12°)	53°12°	0%	5 mph8 km/h from ENE, gusts 11 mph17 km/h	86%	79%	1
Sun 11a	Cloudy	56°13° (likely 51°11° to 58°14°)	56°13°	0%	5 mph8 km/h from ENE, gusts 10 mph17 km/h	80%	85%	2
Sun 12p	Cloudy	59°15° (likely 54°12° to 62°17°)	59°15°	5%	5 mph8 km/h from E, gusts 11 mph17 km/h	72%	91%	4
Sun 1p	Cloudy	62°17° (likely 56°13° to 66°19°)	62°17°	10%, 0.01 in0.3 mm	5 mph8 km/h from E, gusts 10 mph17 km/h	67%	80%	4
Sun 2p	Cloudy	64°18° (likely 59°15° to 69°21°)	64°18°	10%, 0.01 in0.3 mm	5 mph8 km/h from E, gusts 12 mph19 km/h	65%	78%	4
Sun 3p	Cloudy	66°19° (likely 60°16° to 71°22°)	66°19°	10%, 0.01 in0.3 mm	5 mph8 km/h from E, gusts 12 mph19 km/h	61%	81%	4
Sun 4p	Cloudy	66°19° (likely 61°16° to 72°22°)	66°19°	20%, 0.01 in0.3 mm	5 mph8 km/h from E, gusts 13 mph20 km/h	63%	83%	3
Sun 5p	Cloudy	67°19° (likely 61°16° to 71°22°)	67°19°	20%, 0.01 in0.3 mm	5 mph8 km/h from E, gusts 14 mph23 km/h	61%	97%	2
Sun 6p	Cloudy	65°18° (likely 60°16° to 70°21°)	65°18°	30%, 0.01 in0.3 mm	5 mph8 km/h from ENE, gusts 15 mph24 km/h	68%	99%	0
Sun 7p	Cloudy	63°17° (likely 57°14° to 68°20°)	63°17°	50%, 0.09 in2.3 mm	5 mph8 km/h from ENE, gusts 16 mph25 km/h	70%	98%	0
Sun 8p	Cloudy	60°16° (likely 55°13° to 67°19°)	60°16°	50%, 0.09 in2.3 mm	5 mph8 km/h from ENE, gusts 18 mph28 km/h	78%	90%	0
Sun 9p	Showers	58°14° (likely 54°12° to 65°18°)	58°14°	50%, 0.09 in2.3 mm	10 mph16 km/h from ENE, gusts 18 mph29 km/h	83%	96%	0
Sun 10p	Cloudy	57°14° (likely 53°12° to 64°18°)	57°14°	50%, 0.09 in2.3 mm	10 mph16 km/h from ENE, gusts 18 mph28 km/h	86%	95%	0
Sun 11p	Cloudy	56°13° (likely 52°11° to 63°17°)	56°13°	50%, 0.09 in2.3 mm	10 mph16 km/h from ENE, gusts 16 mph26 km/h	90%	100%	0
Mon 12a	Showers	56°13° (likely 51°11° to 63°17°)	56°13°	50%, 0.09 in2.3 mm	5 mph8 km/h from E, gusts 16 mph26 km/h	90%	95%	0
Mon 1a	Cloudy	55°13° (likely 51°11° to 61°16°)	55°13°	70%, 0.19 in4.8 mm	5 mph8 km/h from E, gusts 13 mph21 km/h	93%	98%	0
Mon 2a	Showers	55°13° (likely 54°12° to 62°17°)	55°13°	70%, 0.19 in4.8 mm	5 mph8 km/h from E, gusts 10 mph16 km/h	93%	97%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Mostly cloudy. High 68°20°, low 60°16°. Typical 61°16° / 36°2°. Rain 0.02 in0.5 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 60°16°
  20% chance
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Mostly cloudy, 47°8°
  Dry
Official NWS forecast
Today: A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms between 7am and 9am. Mostly cloudy. High near 68, with temperatures falling to around 62 in the afternoon. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight: Mostly cloudy, with a low around 60. South wind around 15 mph, with gusts as high as 25 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–72°22°
Low, likely
47°8°–60°16°
Typical high / low
61°16° / 36°2°
Wind
20 mph33 km/h, gusts 34 mph54 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 67°19°, low 51°11°. Typical 61°16° / 36°2°. Rain 0.03 in0.8 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  20% chance · 0.05 in1.3 mm
3. Evening
  6 PM–midnight
  Showers, 60°16°
  50% chance · 0.46 in12 mm
4. Overnight
  midnight–6 AM
  Showers, 55°13°
  70% chance · 0.53 in13 mm
Official NWS forecast
Day: A slight chance of rain showers after 4pm. Mostly cloudy, with a high near 67. East northeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Night: Rain showers likely. Mostly cloudy, with a low around 51. East northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
62°17°–72°22°
Low, likely
45°7°–51°11°
Typical high / low
61°16° / 36°2°
Wind
14 mph22 km/h, gusts 24 mph39 km/h
UV peak
4
Monday, Oct 26. Showers. High 64°18°, low 45°7°. Typical 60°16° / 35°2°. Rain 0.26 in6.6 mm, 70% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  60% chance · 0.02 in0.4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 66°19°
  50% chance · 0.05 in1.4 mm
3. Evening
  6 PM–midnight
  Drizzle, 63°17°
  60% chance · 0.03 in0.7 mm
4. Overnight
  midnight–6 AM
  Partly cloudy, 47°8°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain showers likely. Cloudy, with a high near 64. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Night: Rain showers likely before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
61°16°–70°21°
Low, likely
45°7°–57°14°
Typical high / low
60°16° / 35°2°
Wind
18 mph29 km/h, gusts 31 mph50 km/h
UV peak
3
Tuesday, Oct 27. Mostly cloudy. High 64°18°, low 49°9°. Typical 60°16° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 63°17°
  20% chance · 0.04 in1.1 mm
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  30% chance · 0.11 in2.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 64.
Night: A chance of rain showers after 7pm. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–68°20°
Low, likely
43°6°–50°10°
Typical high / low
60°16° / 35°2°
Wind
21 mph33 km/h, gusts 36 mph58 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 67°19°, low 43°6°. Typical 59°15° / 34°1°. Rain 0.15 in3.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 57°14°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers before 7am. Mostly sunny, with a high near 67. Chance of precipitation is 30%.
Night: Mostly clear, with a low around 43.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
64°18°–74°23°
Low, likely
43°6°–57°14°
Typical high / low
59°15° / 34°1°
Wind
17 mph27 km/h, gusts 35 mph56 km/h
UV peak
3
Thursday, Oct 29. Partly sunny. High 67°19°, low 49°9°. Typical 59°15° / 34°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 60°16°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 67.
Night: A chance of rain showers after 7pm. Partly cloudy, with a low around 49. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–72°22°
Low, likely
47°8°–60°16°
Typical high / low
59°15° / 34°1°
Wind
16 mph26 km/h, gusts 35 mph56 km/h
UV peak
3
Friday, Oct 30. Showers. High 65°18°, low 60°16°. Typical 58°14° / 33°1°. Rain 0.21 in5.3 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 61°16°
  Dry
2. Afternoon
  noon–6 PM
  Showers, 71°22°
  20% chance · 0.1 in2.6 mm
3. Evening
  6 PM–midnight
  Rain, 68°20°
  30% chance · 0.1 in2.4 mm
4. Overnight
  midnight–6 AM
  Drizzle, 61°16°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Mostly cloudy, with a high near 65. Chance of precipitation is 40%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
64°18°–77°25°
Low, likely
56°13°–63°17°
Typical high / low
58°14° / 33°1°
Wind
21 mph34 km/h, gusts 36 mph58 km/h
Saturday, Oct 31. Cloudy. High 68°20°, low 59°15°. Typical 58°14° / 33°1°. Rain 0.09 in2.3 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 61°16°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  30% chance
3. Evening
  6 PM–midnight
  Cloudy, 66°19°
  30% chance
4. Overnight
  midnight–6 AM
  Mostly clear, 59°15°
  20% chance · 0.18 in4.6 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–72°22°
Low, likely
54°12°–63°17°
Typical high / low
58°14° / 33°1°
Wind
20 mph32 km/h, gusts 34 mph54 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 64°18°, low 48°9°. Typical 57°14° / 32°0°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 45°7°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–67°19°
Low, likely
44°7°–54°12°
Typical high / low
57°14° / 32°0°
Wind
20 mph32 km/h, gusts 39 mph63 km/h
UV peak
3
Monday, Nov 2. Rain. High 56°13°, low 44°7°. Typical 57°14° / 32°0°. Rain 0.26 in6.6 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  30% chance · 0.04 in1 mm
3. Evening
  6 PM–midnight
  Clear, 46°8°
  30% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
55°13°–58°14°
Low, likely
43°6°–46°8°
Typical high / low
57°14° / 32°0°
Wind
24 mph38 km/h, gusts 37 mph60 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 68°, low 60°.
Tomorrow
Dry, high 67°, low 51°.
Monday
74% chance of rain, high 64°, low 45°, cooling off.
Rest of week
Mostly dry, highs 56–68°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (GID) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Warm Slough near Central City

9.8 mi

Below flood stage

Level: 2.1 ft

Reading from Sat 1:45 AM · NWS gauge page

Silver Creek near Silver Creek

18 mi

Below flood stage

Level: 4.4 ft
Flow: 11 cfs

Reading from Sat 1:45 AM · NWS gauge page

Prairie Creek near Silver Creek

21 mi

Below flood stage

Level: 2.1 ft
Flow: 7 cfs

Reading from Sat 1:45 AM · NWS gauge page

Cedar River near Fullerton

23 mi

Below flood stage

Level: 2.1 ft
Flow: 210 cfs

Reading from Sat 1:45 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 88% less heating than a typical week.

This week 15Typical 125

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 4
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 48°F).

Open the windows?

Today, 4:00 AM–5:00 AM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Central City · official normals 1991–2020 · records 1878–2026

Oct 24, today vs a typical year

Today’s expected high is 7°4° warmer than typical.

Last 7 days vs normal

—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

Hordville weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 44 min; Losing 2 min 30 s a day; shortest Dec 21, 1 h 31 min less
Golden hour: 5:59–6:54 PM; Morning 7:36–8:31 AM
Blue hour: 6:54–7:05 PM; Morning 7:25–7:36 AM; first light 7:25 AM

Stars tonight? Poor

Clouds most of the night (about 80% cover).

Moon

Waxing gibbous

96% lit · growing

Today: sets 6:08 AM · rises 5:36 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Hordville. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Hordville, NE weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Warm Slough near Central City

Silver Creek near Silver Creek

Prairie Creek near Silver Creek

Cedar River near Fullerton

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Poor

Moon