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Extreme Heat Warning

◍ West Polk · USA · updated 7/13/2026, 1:15:00 AM

⏱ In effect until 4:15 AM UTC-5

Severity score

65/100

Confidence

High

Why this matters

* WHAT...Dangerously hot conditions with heat index values near 100 to as high as 110 expected. Actual high temperatures mid 90s to low 100s. * WHERE...Portions of central, north central, northwest, and west central Minnesota and northeast and southeast North Dakota. * WHEN...Until 1 AM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity

Key stats

Severity

Severe

Certainty

Likely

Urgency

Expected

Severity over time

Timeline

Extreme Heat Warning
7/13/2026, 1:15:00 AM
Extreme Heat Warning issued July 12 at 8:15PM CDT until July 14 at 1:00AM CDT by NWS Grand Forks ND

Sources & attribution

OfficialNWS NWS Grand Forks NDupdated 7/13/2026, 1:15:00 AM

OfficialNWS NWS Gaylord MIupdated 7/12/2026, 7:17:00 PM

OfficialNWS NWS Denver COupdated 7/12/2026, 7:11:00 PM

OfficialNWS NWS San Diego CAupdated 7/12/2026, 7:00:00 PM

OfficialNWS NWS Boise IDupdated 7/12/2026, 6:47:00 PM

OfficialNWS NWS La Crosse WIupdated 7/12/2026, 6:33:00 PM

OfficialNWS NWS Green Bay WIupdated 7/12/2026, 6:33:00 PM

OfficialNWS NWS Marquette MIupdated 7/12/2026, 6:31:00 PM

OfficialNWS NWS Elko NVupdated 7/12/2026, 2:11:00 PM

OfficialNWS NWS Salt Lake City UTupdated 7/9/2026, 4:55:00 PM

⚠This is an informational severity score, not an official warning. Follow guidance from NWS/NOAA, FEMA (ready.gov), and local emergency management.