Official Meteorological TelemetryMeteoAlarm Advisory

MeteoAlarm Advisory: Heavy Precipitation Ahead

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

France•Auvergne-Rhône-Alpes•Elev: 914m

Megève Alpine Beacon

Wednesday, September 30, 2026

21°C
OvercastFeels like 22°
H: 27°•L: 18°•Rain: 85%
Meteorological Synthesis

Overcast with highs near 27°C.

Precipitation expected over the coming days with variable skies.

Wind
14.3 km/h
Humidity
79%
UV Index
0 / 11
Pressure
1009 hPa

24-Hour Forecast & Meteogram

24 Hours Ahead
22°
0%
14k
03:00
22°
0%
15k
04:00
21°
0%
12k
05:00
21°
0%
15k
06:00
21°
0%
12k
07:00
21°
0%
10k
08:00
21°
3%
10k
09:00
22°
15%
12k
10:00
22°
28%
13k
11:00
24°
25%
13k
12:00
25°
20%
11k
13:00
26°
30%
18k
14:00
25°
28%
10k
15:00
27°
10%
9k
16:00
27°
8%
9k
17:00
27°
8%
8k
18:00
26°
13%
8k
19:00
23°
33%
13k
20:00
21°
53%
13k
21:00
19°
83%
12k
22:00
18°
85%
8k
23:00
17°
90%
5k
00:00
17°
90%
5k
01:00
17°
68%
6k
02:00

Air Quality (AQI)

Fair
27EAQI Index

Sensitive individuals should limit prolonged outdoor exertion.

PM2.5
5.2 µg/m³
PM10
7.9 µg/m³
NO₂
1.2 µg/m³

UV Index

Max 2.5
0/ 11 (Moderate)

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

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

Wind

10m AGL
14.3km/h

Gusts up to 24.1 km/h.

Direction: 146°
Gentle Breeze

Solar Cycle

Daylight: 12h
Sunrise
07:55
Sunset
19:41
Twilight and solar zenith calculated based on WGS84 geographic coordinate telemetry.

Pressure

Stable High
1015hPa (MSL)
Surface Pressure1009 hPa
Cloud Cover100%

Humidity & Moisture

RH Ratio
79%
Current Rain0 mm
24h Rain Accumulation0.4 mm

Alpine & Mountain Snow Telemetry

High-altitude resort & pass conditions (914m ASL)

Alpine High-Res Model
Base Snow Depth
25 cm
Packed Powder
Summit Snow Depth
55 cm
Dry Crystalline
0°C Freezing Level
4160 m
Atmospheric Isotherm
Avalanche Risk
Level 2
Moderate (EAWS Grade)

14-Day Detailed Outlook

14-Day Deterministic Model
Today
Sep 30
85%
18°
27°
Tomorrow
Oct 1
90%
14°
23°
Fri
Oct 2
-
10°
24°
Sat
Oct 3
17%
13°
27°
Sun
Oct 4
20%
14°
27°
Mon
Oct 5
15%
12°
28°
Tue
Oct 6
23%
12°
24°
Wed
Oct 7
50%
15°
23°
Thu
Oct 8
28%
13°
20°
Fri
Oct 9
12%
7°
16°
Sat
Oct 10
12%
6°
18°
Sun
Oct 11
22%
10°
18°
Mon
Oct 12
19%
6°
20°
Tue
Oct 13
14%
11°
23°

Live Weather Radar — Pan-European Doppler Radar

Past -60m•Now•+120m Outlook

Nearby Cities & Stations in France

Regional Grid

Live Ground-Truth Observation Feed

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

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Log Local Ground ConditionStep 1 of 2: Select condition
Megève Alpine Beacon
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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