(ongoing) Heat wave occuring from April 24 2026 to May 03 2026 at 46.5°N 7.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Austria
  • France
  • Italy
  • Switzerland

Duration: 10 days

Time span: April 24 2026 to May 03 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 11.4 °C
  • Maximum temperature anomaly: 6.6 °C
  • Maximum temperature: 20.4 °C

Event center: 46.5°N 7.5°E

Area affected: 110213 km$^2$


Fig. 1: unavailable since event is ongoing.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Apr-24_to_2026-May-03_7.5_46.5

(ongoing) Heat wave occuring from April 02 2026 to May 03 2026 at 41.5°N 10.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Albania
  • Algeria
  • Andorra
  • Austria
  • Bosnia and Herzegovina
  • Canarias
  • Croatia
  • Denmark
  • Faroe Islands
  • Finland
  • France
  • Germany
  • Greece
  • Iceland
  • Ireland
  • Italy
  • Libya
  • Mauritania
  • Montenegro
  • Morocco
  • Netherlands
  • Norway
  • Portugal
  • Serbia
  • Slovenia
  • Spain
  • Sweden
  • Switzerland
  • Tunisia
  • United Kingdom

Duration: 32 days

Time span: April 02 2026 to May 03 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 14.9 °C
  • Maximum temperature anomaly: 12.0 °C
  • Maximum temperature: 31.2 °C

Event center: 41.5°N 370.0°E

Area affected: 7764994 km$^2$


Fig. 1: unavailable since event is ongoing.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Apr-02_to_2026-May-03_10.0_41.5

(ongoing) Heat wave occuring from October 16 2022 to May 03 2026 at 10.5°N 294.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Afghanistan
  • Albania
  • Algeria
  • Andorra
  • Angola
  • Antarctica
  • Argentina
  • Armenia
  • Aruba
  • Australia
  • Austria
  • Azerbaijan
  • Azores
  • Bahamas
  • Bahrain
  • Bangladesh
  • Belarus
  • Belgium
  • Belize
  • Benin
  • Bhutan
  • Bolivia
  • Bosnia and Herzegovina
  • Botswana
  • Brazil
  • Brunei Darussalam
  • Bulgaria
  • Burkina Faso
  • Burundi
  • Cabo Verde
  • Cambodia
  • Cameroon
  • Canada
  • Canarias
  • Central African Republic
  • Chad
  • Chile
  • China
  • Colombia
  • Congo
  • Congo DRC
  • Costa Rica
  • Croatia
  • Cuba
  • Cyprus
  • Czech Republic
  • Côte d’Ivoire
  • Denmark
  • Djibouti
  • Dominican Republic
  • Ecuador
  • Egypt
  • El Salvador
  • Equatorial Guinea
  • Eritrea
  • Estonia
  • Eswatini
  • Ethiopia
  • Falkland Islands
  • Faroe Islands
  • Fiji
  • Finland
  • France
  • French Guiana
  • French Southern Territories
  • Gabon
  • Gambia
  • Georgia
  • Germany
  • Ghana
  • Greece
  • Greenland
  • Guatemala
  • Guinea
  • Guinea-Bissau
  • Guyana
  • Haiti
  • Honduras
  • Hungary
  • Iceland
  • India
  • Indonesia
  • Iran
  • Iraq
  • Ireland
  • Israel
  • Italy
  • Jamaica
  • Japan
  • Jordan
  • Kazakhstan
  • Kenya
  • Kuwait
  • Kyrgyzstan
  • Laos
  • Latvia
  • Lebanon
  • Lesotho
  • Liberia
  • Libya
  • Lithuania
  • Luxembourg
  • Madagascar
  • Madeira
  • Malawi
  • Malaysia
  • Mali
  • Martinique
  • Mauritania
  • Mauritius
  • Mexico
  • Moldova
  • Mongolia
  • Montenegro
  • Morocco
  • Mozambique
  • Myanmar
  • Namibia
  • Nepal
  • Netherlands
  • New Caledonia
  • New Zealand
  • Nicaragua
  • Niger
  • Nigeria
  • North Korea
  • North Macedonia
  • Norway
  • Oman
  • Pakistan
  • Palau
  • Palestinian Territory
  • Panama
  • Papua New Guinea
  • Paraguay
  • Peru
  • Philippines
  • Poland
  • Portugal
  • Puerto Rico
  • Qatar
  • Romania
  • Russian Federation
  • Rwanda
  • Réunion
  • Saint Eustatius
  • Saint Lucia
  • Samoa
  • Saudi Arabia
  • Senegal
  • Serbia
  • Sierra Leone
  • Slovakia
  • Slovenia
  • Solomon Islands
  • Somalia
  • South Africa
  • South Georgia and the South Sandwich Islands
  • South Korea
  • South Sudan
  • Spain
  • Sri Lanka
  • Sudan
  • Suriname
  • Sweden
  • Switzerland
  • Syria
  • Tajikistan
  • Tanzania
  • Thailand
  • Timor-Leste
  • Togo
  • Tunisia
  • Turkiye
  • Turkmenistan
  • Turks and Caicos Islands
  • Uganda
  • Ukraine
  • United Arab Emirates
  • United Kingdom
  • United States
  • Uruguay
  • Uzbekistan
  • Vanuatu
  • Venezuela
  • Vietnam
  • Yemen
  • Zambia
  • Zimbabwe

Duration: 1296 days

Time span: October 16 2022 to May 03 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 18.1 °C
  • Maximum temperature anomaly: 33.2 °C
  • Maximum temperature: 46.7 °C

Event center: 10.5°N 294.0°E

Area affected: 509588681 km$^2$


Fig. 1: unavailable since event is ongoing.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2022-Oct-16_to_2026-May-03_294.0_10.5

Heat wave occuring from April 24 2026 to April 29 2026 at 43.5°N 14.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Italy

Duration: 6 days

Time span: April 24 2026 to April 29 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 17.6 °C
  • Maximum temperature anomaly: 3.6 °C
  • Maximum temperature: 18.7 °C

Event center: 43.5°N 14.0°E

Area affected: 92726 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Apr-24_to_2026-Apr-29_14.0_43.5

Heat wave occuring from March 09 2026 to March 19 2026 at 45.0°N 12.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Croatia
  • Italy

Duration: 11 days

Time span: March 09 2026 to March 19 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 13.3 °C
  • Maximum temperature anomaly: 3.9 °C
  • Maximum temperature: 14.4 °C

Event center: 45.0°N 12.5°E

Area affected: 71476 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Mar-09_to_2026-Mar-19_12.5_45.0

Heat wave occuring from February 23 2026 to April 16 2026 at 46.0°N 52.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Afghanistan
  • Austria
  • Azerbaijan
  • Belarus
  • Bhutan
  • China
  • Czech Republic
  • Denmark
  • Estonia
  • Finland
  • Georgia
  • Germany
  • Greenland
  • Hungary
  • India
  • Iran
  • Italy
  • Kazakhstan
  • Kyrgyzstan
  • Latvia
  • Lithuania
  • Mongolia
  • Nepal
  • Norway
  • Pakistan
  • Poland
  • Romania
  • Russian Federation
  • Slovakia
  • Sweden
  • Tajikistan
  • Turkiye
  • Turkmenistan
  • Ukraine
  • United Kingdom
  • Uzbekistan

Duration: 53 days

Time span: February 23 2026 to April 16 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 10.3 °C
  • Mean temperature: -4.0 °C
  • Maximum temperature anomaly: 22.3 °C
  • Maximum temperature: 27.7 °C

Event center: 46.0°N 52.0°E

Area affected: 23119180 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Feb-23_to_2026-Apr-16_52.0_46.0

Heat wave occuring from October 30 2025 to November 02 2025 at 46.5°N 16.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Austria
  • Bosnia and Herzegovina
  • Croatia
  • Hungary
  • Italy
  • Slovenia

Duration: 4 days

Time span: October 30 2025 to November 02 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.7 °C
  • Mean temperature: 13.8 °C
  • Maximum temperature anomaly: 7.9 °C
  • Maximum temperature: 17.7 °C

Event center: 46.5°N 16.0°E

Area affected: 85554 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Oct-30_to_2025-Nov-02_16.0_46.5

Heat wave occuring from February 20 2025 to February 26 2025 at 47.5°N 13.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Austria
  • Germany
  • Italy
  • Slovenia
  • Switzerland

Duration: 7 days

Time span: February 20 2025 to February 26 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.9 °C
  • Mean temperature: 3.0 °C
  • Maximum temperature anomaly: 7.7 °C
  • Maximum temperature: 9.8 °C

Event center: 47.5°N 13.0°E

Area affected: 50670 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Feb-20_to_2025-Feb-26_13.0_47.5

Heat wave occuring from February 08 2025 to February 13 2025 at 45.5°N 6.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Austria
  • France
  • Italy
  • Switzerland

Duration: 6 days

Time span: February 08 2025 to February 13 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.4 °C
  • Mean temperature: 2.0 °C
  • Maximum temperature anomaly: 7.8 °C
  • Maximum temperature: 11.2 °C

Event center: 45.5°N 6.0°E

Area affected: 84175 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Feb-08_to_2025-Feb-13_6.0_45.5

Heat wave occuring from January 17 2025 to January 20 2025 at 36.0°N 14.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Italy

Duration: 4 days

Time span: January 17 2025 to January 20 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 14.9 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 16.9 °C

Event center: 36.0°N 14.5°E

Area affected: 60803 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Jan-17_to_2025-Jan-20_14.5_36.0