As Europe recovers from an exceptional heatwave and meteorologists continue to monitor the potential for more heat, the PET map helps cities identify heat stress before it becomes a public health emergency.
Heatwaves are among Europe's most significant weather hazards, affecting millions of people as well as infrastructure, agriculture, and energy systems. But what actually causes a heatwave? Why do some persist for days or even weeks? And how do meteorologists forecast them?
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Icon
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°F
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50°
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51°
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52°
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55°
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58°
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61°
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58°
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55°
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°F
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44°
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44°
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44°
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46°
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50°
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54°
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54°
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52°
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NNW |
NNW |
NNW |
NNW |
NNW |
NNW |
NNW |
NNW |
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mph
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10-20
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11-23
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12-24
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13-25
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13-24
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12-23
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7-17
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5-11
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in
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-
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< 0.04
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-
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-
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-
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-
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-
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-
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%
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30%
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50%
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35%
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5%
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0%
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0%
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0%
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5%
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in
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12.4 mi
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Overnight into Friday it will be cloudy and rainy. No more rain in the morning but the sky remains overcast. Friday afternoon it is mostly cloudy. The sun will not be visible. Temperatures peaking at 61 °F. Overnight into Friday a gentle breeze is expected (8 to 12 mph). During the day expect a moderate breeze (12 to 18 mph). From time to time gusts could reach up to 25 mph. Winds blowing overnight from Northwest and by day from North. The weather forecast for Klyuchi for Friday is likely to be accurate.
Pressure: 1010 hPa
Timezone: MSK (UTC +03:00h)
By comparing today's temperatures to 40 years of historical data we can see whether today's forecast is unusually warm (red areas) or cold (blue areas). Coloured dots show observed actual temperatures from professional and private weather stations.
The location marker is placed on Klyuchi. This animation shows the precipitation radar for the selected time range, as well as a 2h forecast. Orange crosses indicate lightning. Data provided by nowcast.de (available in USA, Europe, Australia). Drizzle or light snow fall might be invisible for the radar. Precipitation intensity is colour coded, ranging from turquoise to red.
You can embed this meteogram into your own website. Customize it here.
The real-time satellite image combines visible light during daytime with infrared radiation during nighttime. At night, the image is not dark as infrared radiation can detect temperature differences. Unfortunately, low clouds and fog are difficult to distinguish from ground temperatures and thus can be almost invisible during the night. Meteosat satellite images for Europe are updated in real-time every 5 minutes. GOES-16/GOES-17 (North & South America) and Himawari (Asia) images update every 10 minutes.
Precipitation is estimated from radar and satellites. Precipitation estimates from satellites are less accurate at night than during daytime.
© 2026 meteoblue, NOAA Satellites GOES-16 and EUMETSAT. Lightning data provided by nowcast.
As Europe recovers from an exceptional heatwave and meteorologists continue to monitor the potential for more heat, the PET map helps cities identify heat stress before it becomes a public health emergency.
Heatwaves are among Europe's most significant weather hazards, affecting millions of people as well as infrastructure, agriculture, and energy systems. But what actually causes a heatwave? Why do some persist for days or even weeks? And how do meteorologists forecast them?
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