Official Meteorological TelemetryMeteoAlarm Advisory

MeteoAlarm Advisory: Heavy Precipitation Ahead

Significant moisture corridor approaching. Probability of localized street runoff and reduced visibility on transit corridors.

Luxembourg•Cantons of Luxembourg•Elev: 686m

Vianden Old Town & District

Tuesday, September 29, 2026

20°C
Partly CloudyFeels like 19°
H: 23°•L: 16°•Rain: 0%
Meteorological Synthesis

Partly Cloudy with highs near 23°C.

Precipitation expected over the coming days with variable skies.

Wind
13 km/h
Humidity
54%
UV Index
1.05 / 11
Pressure
993 hPa

24-Hour Forecast & Meteogram

24 Hours Ahead
18°
0%
13k
08:00
19°
0%
12k
09:00
20°
0%
13k
10:00
22°
0%
14k
11:00
22°
0%
15k
12:00
23°
0%
14k
13:00
23°
0%
13k
14:00
23°
0%
13k
15:00
23°
0%
13k
16:00
23°
0%
14k
17:00
23°
0%
13k
18:00
22°
0%
14k
19:00
21°
0%
16k
20:00
22°
0%
17k
21:00
21°
0%
17k
22:00
21°
0%
16k
23:00
20°
0%
15k
00:00
20°
0%
16k
01:00
20°
0%
16k
02:00
19°
0%
15k
03:00
19°
0%
13k
04:00
19°
0%
13k
05:00
19°
0%
13k
06:00
19°
0%
13k
07:00

Air Quality (AQI)

Fair
27EAQI Index

Sensitive individuals should limit prolonged outdoor exertion.

PM2.5
8.3 µg/m³
PM10
14.4 µg/m³
NO₂
6.6 µg/m³

UV Index

Max 3
1.05/ 11 (Moderate)

Low to moderate exposure. Sunglasses recommended during peak afternoon hours.

0 (Low)6 (High)11+ (Extreme)

Wind

10m AGL
13km/h

Gusts up to 26.6 km/h.

Direction: 154°
Gentle Breeze

Solar Cycle

Daylight: 12h
Sunrise
07:28
Sunset
19:13
Twilight and solar zenith calculated based on WGS84 geographic coordinate telemetry.

Pressure

Stable High
1019hPa (MSL)
Surface Pressure993 hPa
Cloud Cover73%

Humidity & Moisture

RH Ratio
54%
Current Rain0 mm
24h Rain Accumulation0 mm

14-Day Detailed Outlook

14-Day Deterministic Model
Today
Sep 29
-
16°
23°
Tomorrow
Sep 30
-
19°
26°
Thu
Oct 1
82%
14°
22°
Fri
Oct 2
56%
12°
18°
Sat
Oct 3
22%
10°
20°
Sun
Oct 4
20%
12°
19°
Mon
Oct 5
-
10°
17°
Tue
Oct 6
16%
12°
17°
Wed
Oct 7
16%
11°
19°
Thu
Oct 8
25%
8°
13°
Fri
Oct 9
18%
8°
12°
Sat
Oct 10
25%
8°
13°
Sun
Oct 11
25%
9°
14°
Mon
Oct 12
33%
6°
9°

Live Weather Radar — Pan-European Doppler Radar

Past -60m•Now•+120m Outlook

Live Ground-Truth Observation Feed

Peer-verified reports logged by spotters and automated PWS stations across Europe

Real-time Ingestion
Log Local Ground ConditionStep 1 of 2: Select condition
Vianden Old Town & District
Ground Temp:°C

Observations undergo peer verification by regional spotters and enrich city telemetry.

Filter:
6 reports
S
Stefan MüllerAlpine Master SpotterAlps
Garmisch-Partenkirchen, Germany•Recent
15°C•Partly Cloudy

“Crisp morning air around Zugspitze valley station, golden sun breaking through light morning mountain mist. Zero wind, visibility > 35km.”

Ground-Truth Telemetry
C
Chloé DuboisCoastal Maritime SpotterAtlantic
Le Havre, France•Recent
14°C•Rain / Showers

“Fresh Atlantic westerly gale picking up, moderate sea swell (2.2m). Light intermittent drizzle across the harbor piers.”

Ground-Truth Telemetry
D
Dr. Alessandro RivaHigh Alpine ObserverAlps
Cortina d’Ampezzo, Italy•Recent
9°C•Clear Sky

“First seasonal frost dusting on peaks above 2,600m. Crisp alpine sky with cirrus uncinus approaching from the west.”

Ground-Truth Telemetry
M
Matteo RossiMediterranean SpotterMediterranean
Rome, Italy•Recent
22°C•Clear Sky

“Warm evening breeze across Piazza Navona. Pleasant 22°C with dry conditions and comfortable humidity around 48%.”

Ground-Truth Telemetry
E
Emre KayaBosporus Weather StationMediterranean
Istanbul, Turkey•Recent
21°C•Partly Cloudy

“Bosphorus breeze is cool and refreshing from the Black Sea. Crystal blue sky with passing white cumulus clouds at 1,200m.”

Ground-Truth Telemetry
A
Astrid LindholmFjord Atmospheric LabNordic
Bergen, Norway•Recent
11°C•Dense Fog

“Low scud clouds drifting over Mount Fløyen. Typical Atlantic marine layer with fine mist and 98% relative humidity.”

Ground-Truth Telemetry

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