Category: Cold spells affecting United States

25 cold spells identified in United States since 2020

Cold spell occuring from June 14 2026 to June 30 2026 at 57.5°N 181.0°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 17 days

Time span: June 14 2026 to June 30 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 4.1 °C
  • Minimum temperature anomaly: -4.9 °C
  • Minimum temperature: 1.8 °C

Event center: 57.5°N 181.0°E

Area affected: 1345302 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: Cold_spell_2026-Jun-14_to_2026-Jun-30_181.0_57.5

Cold spell occuring from June 13 2026 to June 30 2026 at 47.5°N 275.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 18 days

Time span: June 13 2026 to June 30 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -6.0 °C
  • Mean temperature: 5.8 °C
  • Minimum temperature anomaly: -10.4 °C
  • Minimum temperature: 1.8 °C

Event center: 47.5°N 275.0°E

Area affected: 93928 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: Cold_spell_2026-Jun-13_to_2026-Jun-30_275.0_47.5

Cold spell occuring from June 05 2026 to June 10 2026 at 66.5°N 203.0°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 6 days

Time span: June 05 2026 to June 10 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -5.5 °C
  • Mean temperature: 3.0 °C
  • Minimum temperature anomaly: -10.1 °C
  • Minimum temperature: -2.2 °C

Event center: 66.5°N 203.0°E

Area affected: 116684 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: Cold_spell_2026-Jun-05_to_2026-Jun-10_203.0_66.5

Cold spell occuring from May 31 2026 to June 03 2026 at 51.5°N 246.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 4 days

Time span: May 31 2026 to June 03 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -5.2 °C
  • Mean temperature: 8.1 °C
  • Minimum temperature anomaly: -8.8 °C
  • Minimum temperature: 2.7 °C

Event center: 51.5°N 246.5°E

Area affected: 125140 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: Cold_spell_2026-May-31_to_2026-Jun-03_246.5_51.5

Cold spell occuring from May 27 2026 to June 06 2026 at 41.0°N 299.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 11 days

Time span: May 27 2026 to June 06 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 6.6 °C
  • Minimum temperature anomaly: -7.9 °C
  • Minimum temperature: 2.2 °C

Event center: 41.0°N 299.0°E

Area affected: 710141 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: Cold_spell_2026-May-27_to_2026-Jun-06_299.0_41.0

Cold spell occuring from May 27 2026 to May 30 2026 at 33.0°N 245.0°E

Download data: JSON

Event type: Cold spell

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

  • Mexico
  • United States

Duration: 4 days

Time span: May 27 2026 to May 30 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 22.0 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: 11.8 °C

Event center: 33.0°N 245.0°E

Area affected: 142066 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: Cold_spell_2026-May-27_to_2026-May-30_245.0_33.0

Cold spell occuring from May 27 2026 to May 30 2026 at 36.5°N 242.5°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 4 days

Time span: May 27 2026 to May 30 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -7.0 °C
  • Mean temperature: 11.7 °C
  • Minimum temperature anomaly: -9.6 °C
  • Minimum temperature: -1.9 °C

Event center: 36.5°N 242.5°E

Area affected: 144157 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: Cold_spell_2026-May-27_to_2026-May-30_242.5_36.5

Cold spell occuring from May 24 2026 to June 19 2026 at 80.5°N 197.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Russian Federation
  • United States

Duration: 27 days

Time span: May 24 2026 to June 19 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: -3.0 °C
  • Minimum temperature anomaly: -12.5 °C
  • Minimum temperature: -14.3 °C

Event center: 80.5°N 197.0°E

Area affected: 5946999 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: Cold_spell_2026-May-24_to_2026-Jun-19_197.0_80.5

Cold spell occuring from May 18 2026 to May 20 2026 at 44.0°N 260.5°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 3 days

Time span: May 18 2026 to May 20 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -7.2 °C
  • Mean temperature: 8.4 °C
  • Minimum temperature anomaly: -8.9 °C
  • Minimum temperature: 5.7 °C

Event center: 44.0°N 260.5°E

Area affected: 157355 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: Cold_spell_2026-May-18_to_2026-May-20_260.5_44.0

Cold spell occuring from May 18 2026 to June 02 2026 at 77.0°N 213.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 16 days

Time span: May 18 2026 to June 02 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: -6.3 °C
  • Minimum temperature anomaly: -11.0 °C
  • Minimum temperature: -15.9 °C

Event center: 77.0°N 213.0°E

Area affected: 2463140 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: Cold_spell_2026-May-18_to_2026-Jun-02_213.0_77.0