Iiyama

Nagano, Japan · 311 m · Sun 25 Oct, 21:44 GMT+9GFS run 18 UTC · 3 days old (older run)
13°
RainFeels like 13°Today 12° – 15°
Sun 01:00· nowor click any hour below

Cloudy this morning; heavy rain until 17:00 (about 21.9 mm). Tomorrow wet and 3° warmer, up to 18°.

Right now

model value for 01:00, not a measurement
Wind1 m/s SSW
Gusts2 m/s
Humidity99 %
Pressure1020 hPa →
Cloud cover100 %
Visibility2.3 km
UV index (CAMS)—
Air (US AQI, CAMS)—
Sun 58° below the horizon · sunrise 06:02 · sunset 16:57
We can’t check alerts for Iiyama right now.See all alerts ›
UmbrellaYes, nowRain until 17:00, 21.9 mm in all
Kite windowNot in 2 daysNo steady wind without rain or storms; today rain
Longest dry spell27 h from Fri 00:00Dry until Sat 03:00
TonightLow 13° at 01:00Rain, light wind; no frost

Next 24 hours

Click any hour: the sky, the panel, the sun chart and the planner follow it
hourly steps · GFS 18 UTC
16°14°11°
nowtemperature
TemperatureFeels likeWind m/sGustsRain mmClouds %
Sun 01:00 · Rain13°, feels like 13°
Wind 1 m/s from SSW, gusts 2 · 2.2 mm of rainClouds 100 % · humidity 99 %
Kite flying: AvoidRain

Sun height

Sun 25 Oct · computed from the coordinatesUV not in the CAMS run for 01:00
Sun 25 Oct21 June, longest day21 December, shortest daythe disc shows the chosen hour
civil twilightnauticalastronomicalnight60°30°0°−18°21 Jun · 76.6°21 Dec · 29.7°↑ 06:02↓ 16:5701:00 · −58.0°000306091215182124
Sunrise06:02
Sunset16:57
Daylight10 h 55 min2 min shorter than Saturday
Highest41.1°at 11:30
Civil dawn · dusk05:36 · 17:24

Moon

from the coordinates
99 %Waxing gibbouslit now, Sun 21:44Moonrise 16:05Moonset 04:43
Next phases
Full moonMon 26 Octin 1 day
Last quarterMon 2 Novin 8 days
New moonMon 9 Novin 15 days
First quarterTue 17 Novin 23 days

Outdoor planner

The next 24 hours rated for six activities by fixed rules from this forecast, not by AI
How we rate ›
Planner rules, per hour. Avoid: thunder; gusts from 17 m/s (kite 15, picnic 14); rain from 1.0 mm (kite, laundry, picnic, car wash: any rain; laundry also rain within 3 h). Poor: storms due within 2 h (kite 3 h); dark (sun below −6°) or after sunset; light rain; strong gusts; humid air (laundry 85 % and up); chilly (picnic under 12°); rain within 12 h (car wash). Excellent: running 8°–18° with wind under 7 and Good air; cycling 10°–24° with wind under 6; kite wind 4–8 with gusts under 11; laundry humidity under 70 % with a breeze; picnic 16° and up with wind under 6. Anything else: Good.
You are here (now)Kite flying, hour by hour · click a block
now04071013161922
ExcellentGoodPoorAvoidNo air quality model for this place
Best timeNo good hourPoor · Dark
AvoidSun 01:00 – 16:00Rain
At Sun 01:00AvoidRain

Air quality

US AQI · CAMS model

No CAMS air-quality run covers this place right now.

13 days

click a day for its details · high / low · rain
October – November 2026dashed: GFS only, read as a trend
MonTueWedThuFriSatSun
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13-day outlook

by each day’s icon
13days
Click a tile to light up those days. Sun 25 Oct – Fri 6 Nov come from GFS alone: a trend, not a promise.

Sunday 25 Oct

Today
15° / 12°Heavy rain
Rain21.8 mmStrongest gust4 m/sSunrise · sunset06:02 · 16:57Moon at noon99 % · waxing gibbous
GFS only: no comparisonSee its hours ›

Do the models agree?

daily high, °C
GFSICON (no run here)ECMWF (no run here)spread
7°14°20°SuMoTuWeThFrSaSuMoTuOnly GFS reaches this place and these days: no other model to compare with.

Rain radar

observed
Loading radar…DWD radar
Open radar ›

Places nearby

now · within 25 km
—Suzaka23 km—Nakano11 km—Myoko22 km—Arai21 km
About this forecastNOAA GFS · run Wed 18 UTC · grid point 15 km away, model height 666 m (real 311 m) · values of the nearest grid point, nothing filled in · model forecast, not an observation
Model
NOAA GFS, 0.25° global grid
Model run
Thu 22 Oct, 03:00 GMT+9 (3 days ago)
Covers until
Fri 06 Nov, 03:00 GMT+9
Grid point used
36.75° N, 138.25° E — 15 km from Iiyama, model terrain height 666 m
Air quality and UV
not available here
Compared with
no other model reaches this place
Method
Values of the nearest model grid point; nothing is interpolated or filled in. Sun and moon computed from the coordinates.

Iiyama

Nagano · 311 m · Sun 25 Oct, 21:44 GMT+9
GFS run 18 UTC · 3 days old (older run)
13°
RainFeels like 13°Today 12° – 15°
Sun 01:00· now

Cloudy this morning; heavy rain until 17:00 (about 21.9 mm). Tomorrow wet and 3° warmer, up to 18°.

Wind1 SSWGusts2 m/sRain2.2 mmAir (AQI)—
We can’t check alerts for Iiyama right now.See all alerts ›
UmbrellaYes, nowuntil 17:00, 21.9 mm
Kite windowNot in 2 daysrain
Dry spell27 h from Fri 00:00until Sat 03:00
TonightLow 13° at 01:00rain, no frost

Next 24 hours

swipe sideways · tap an hour
Temperature, 11° to 16° · hourly GFS steps
Rows: time · sky · °C · feels like · wind m/s · gusts (orange from 14) · rain mm · clouds %. Shaded: night.
Sun 01:00 · Rain13°, feels like 13°
Kite flying: AvoidRain
Wind1 m/s SSWGusts2 m/sHumidity99 %Pressure1020 hPa →Clouds100 %Visibility2.3 kmUV (CAMS)—US AQI—
model value for 01:00, not a measurement

Sun height

Sun 25 Oct
UV not in the CAMS run for 01:00
Sun 25 Oct21 June21 December
twilight and night60°30°0°21 Jun 76.6°21 Dec 29.7°↑06:02↓16:5701:00 · −58.0°0006121824
Sunrise · sunset06:02 · 16:57
Daylight10 h 55 min
Highest41.1° at 11:30
Civil dawn · dusk05:36 · 17:24

Outdoor planner

next 24 h, rated by fixed rules from this forecast
How we rate ›
Planner rules, per hour. Avoid: thunder; gusts from 17 m/s (kite 15, picnic 14); rain from 1.0 mm (kite, laundry, picnic, car wash: any rain; laundry also rain within 3 h). Poor: storms due within 2 h (kite 3 h); dark (sun below −6°) or after sunset; light rain; strong gusts; humid air (laundry 85 % and up); chilly (picnic under 12°); rain within 12 h (car wash). Excellent: running 8°–18° with wind under 7 and Good air; cycling 10°–24° with wind under 6; kite wind 4–8 with gusts under 11; laundry humidity under 70 % with a breeze; picnic 16° and up with wind under 6. Anything else: Good.
You are hereKite flying, hour by hour
now071319
ExcellentGoodPoorAvoid
Best timeNo good hourPoor · Dark
AvoidSun 01:00 – 16:00Rain
At Sun 01:00AvoidRain

Air quality

US AQI · CAMS model

No CAMS air-quality run covers this place right now.

Moon

from the coordinates
99 %Waxing gibbouslit now, Sun 21:44Rise 16:05 · set 04:43
Next phases
Full moonMon 26 Octin 1 day
Last quarterMon 2 Novin 8 days
New moonMon 9 Novin 15 days
First quarterTue 17 Novin 23 days

13 days

tap a day for its details
October – November 2026dashed: GFS only · – no forecast yet
MoTuWeThFrSaSu
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Sunday 25 Oct · TodayHeavy rain
15° 12°
Rain21.8 mmGusts4Sun ↑ ↓06:02 16:57Moon99 %
GFS only: no comparisonIts hours ›

13-day outlook

by each day’s icon
13days
Tap a tile to light up those days above. Sun 25 Oct – Fri 6 Nov come from GFS alone: a trend.

Do the models agree?

daily high
GFSICONECMWFspread
7°14°20°SuMoTuWeThFrSaSuMoTuOnly GFS reaches this place and these days: no other model to compare with.

Rain radar

observed
Loading radar…DWD radar
Open ›

Places nearby

now · within 25 km
—Suzaka23 km—Nakano11 km—Myoko22 km—Arai21 km
About this forecastNOAA GFS, run Wed 18 UTC · model forecast, not an observation
Model
NOAA GFS, 0.25° global grid
Model run
Thu 22 Oct, 03:00 GMT+9 (3 days ago)
Covers until
Fri 06 Nov, 03:00 GMT+9
Grid point used
36.75° N, 138.25° E — 15 km from Iiyama, model terrain height 666 m
Air quality and UV
not available here
Compared with
no other model reaches this place
Method
Values of the nearest model grid point; nothing is interpolated or filled in. Sun and moon computed from the coordinates.