Official Meteorological TelemetryMeteoAlarm Advisory

MeteoAlarm Advisory: Heavy Precipitation Ahead

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

Netherlands•Randstad & Coastal•Elev: 5m

Leiden South

Monday, September 28, 2026

21°C
OvercastFeels like 22°
H: 23°•L: 14°•Rain: 75%
Meteorological Synthesis

Overcast with highs near 23°C.

Precipitation expected over the coming days with variable skies.

Wind
8.6 km/h
Humidity
76%
UV Index
0.7 / 11
Pressure
1016 hPa

24-Hour Forecast & Meteogram

24 Hours Ahead
22°
1%
7k
15:00
21°
10%
8k
16:00
21°
16%
10k
17:00
20°
16%
8k
18:00
20°
13%
10k
19:00
19°
10%
9k
20:00
18°
7%
8k
21:00
18°
3%
8k
22:00
17°
0%
6k
23:00
17°
0%
5k
00:00
16°
0%
4k
01:00
15°
0%
2k
02:00
15°
0%
1k
03:00
14°
0%
2k
04:00
14°
0%
4k
05:00
14°
0%
4k
06:00
14°
0%
5k
07:00
14°
0%
5k
08:00
15°
0%
6k
09:00
18°
0%
3k
10:00
22°
0%
11k
11:00
23°
0%
10k
12:00
24°
0%
13k
13:00
26°
0%
12k
14:00

Air Quality (AQI)

Fair
26EAQI Index

Sensitive individuals should limit prolonged outdoor exertion.

PM2.5
7.8 µg/m³
PM10
12.6 µg/m³
NO₂
7 µg/m³

UV Index

Max 3.2
0.7/ 11 (Moderate)

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

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

Wind

10m AGL
8.6km/h

Gusts up to 16.6 km/h.

Direction: 4°
Gentle Breeze

Solar Cycle

Daylight: 12h
Sunrise
07:35
Sunset
19:24
Twilight and solar zenith calculated based on WGS84 geographic coordinate telemetry.

Pressure

Stable High
1019hPa (MSL)
Surface Pressure1016 hPa
Cloud Cover100%

Humidity & Moisture

RH Ratio
76%
Current Rain0 mm
24h Rain Accumulation0.8 mm

14-Day Detailed Outlook

14-Day Deterministic Model
Today
Sep 28
75%
14°
23°
Tomorrow
Sep 29
-
14°
28°
Wed
Sep 30
73%
17°
27°
Thu
Oct 1
82%
13°
20°
Fri
Oct 2
-
10°
20°
Sat
Oct 3
14%
9°
19°
Sun
Oct 4
14%
11°
16°
Mon
Oct 5
-
7°
17°
Tue
Oct 6
-
6°
19°
Wed
Oct 7
17%
7°
18°
Thu
Oct 8
16%
8°
15°
Fri
Oct 9
14%
6°
15°
Sat
Oct 10
16%
8°
16°
Sun
Oct 11
16%
10°
17°

Live Weather Radar — Pan-European Doppler Radar

Past -60m•Now•+120m Outlook

Nearby Cities & Stations in Netherlands

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
Leiden South
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

Recommended Guides & Related Dispatches • Leiden South

Comprehensive, 1,500+ word guides exploring culinary heritage, historic landmarks, walking routes, and seasonal climate telemetry across all 44 European sovereign nations.

All