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•West & Brittany•Elev: 422m

Saint-Brieuc

Monday, September 28, 2026

24°C
OvercastFeels like 22°
H: 28°•L: 19°•Rain: 3%
Meteorological Synthesis

Overcast with highs near 28°C.

Precipitation expected over the coming days with variable skies.

Wind
20.7 km/h
Humidity
54%
UV Index
2.85 / 11
Pressure
983 hPa

24-Hour Forecast & Meteogram

24 Hours Ahead
20°
0%
22k
10:00
22°
0%
24k
11:00
23°
0%
21k
12:00
25°
0%
21k
13:00
26°
0%
19k
14:00
27°
0%
22k
15:00
28°
0%
21k
16:00
27°
0%
19k
17:00
26°
0%
20k
18:00
25°
0%
19k
19:00
23°
0%
19k
20:00
22°
0%
20k
21:00
21°
3%
22k
22:00
21°
0%
22k
23:00
21°
3%
23k
00:00
20°
8%
22k
01:00
20°
0%
22k
02:00
20°
3%
23k
03:00
20°
3%
24k
04:00
20°
3%
24k
05:00
20°
10%
22k
06:00
20°
10%
19k
07:00
20°
33%
19k
08:00
20°
40%
23k
09:00

Air Quality (AQI)

Fair
31EAQI Index

Sensitive individuals should limit prolonged outdoor exertion.

PM2.5
3.7 µg/m³
PM10
6.6 µg/m³
NO₂
0.7 µg/m³

UV Index

Max 3.5
2.85/ 11 (Moderate)

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

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

Wind

10m AGL
20.7km/h

Gusts up to 41.4 km/h.

Direction: 131°
Moderate Gale

Solar Cycle

Daylight: 12h
Sunrise
07:46
Sunset
19:38
Twilight and solar zenith calculated based on WGS84 geographic coordinate telemetry.

Pressure

Stable High
1019hPa (MSL)
Surface Pressure983 hPa
Cloud Cover98%

Humidity & Moisture

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

14-Day Detailed Outlook

14-Day Deterministic Model
Today
Sep 28
-
19°
28°
Tomorrow
Sep 29
40%
20°
26°
Wed
Sep 30
68%
20°
25°
Thu
Oct 1
85%
16°
21°
Fri
Oct 2
-
14°
25°
Sat
Oct 3
18%
18°
25°
Sun
Oct 4
30%
16°
25°
Mon
Oct 5
37%
15°
25°
Tue
Oct 6
25%
17°
25°
Wed
Oct 7
37%
16°
23°
Thu
Oct 8
36%
13°
19°
Fri
Oct 9
22%
6°
17°
Sat
Oct 10
25%
9°
15°
Sun
Oct 11
20%
9°
16°

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

Real-time Ingestion
Log Local Ground ConditionStep 1 of 2: Select condition
Saint-Brieuc
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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