🌡️
Extreme Heat Warning
◍ Lyon · USA · updated 7/25/2026, 9:30:00 PM
⏱ In effect until 2:30 AM UTC-5
Severity score
65/100
Confidence
High
Why this matters
* WHAT...Dangerously hot conditions with heat index values up to 110. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, and east central and southeast South Dakota. * WHEN...Until 8 PM CDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Key stats
Severity
Severe
Certainty
Likely
Urgency
Expected
Timeline
- Extreme Heat Warning7/25/2026, 9:30:00 PMExtreme Heat Warning issued July 25 at 4:30PM CDT until July 26 at 8:00PM CDT by NWS Sioux Falls SD
Sources & attribution
OfficialNWS NWS Sioux Falls SDupdated 7/25/2026, 9:30:00 PM
OfficialNWS NWS Sioux Falls SDupdated 7/25/2026, 9:30:00 PM
OfficialNWS NWS Elko NVupdated 7/25/2026, 8:04:00 PM
OfficialNWS NWS Elko NVupdated 7/25/2026, 8:04:00 PM
OfficialNWS NWS Wichita KSupdated 7/25/2026, 7:11:00 PM
OfficialNWS NWS Wichita KSupdated 7/25/2026, 7:11:00 PM
OfficialNWS NWS Topeka KSupdated 7/25/2026, 6:29:00 PM
OfficialNWS NWS Chicago ILupdated 7/25/2026, 6:04:00 PM
OfficialNWS NWS Milwaukee/Sullivan WIupdated 7/25/2026, 5:55:00 PM
OfficialNWS NWS La Crosse WIupdated 7/25/2026, 5:41:00 PM
OfficialNWS NWS Fort Worth TXupdated 7/25/2026, 5:19:00 PM
OfficialNWS NWS Fort Worth TXupdated 7/25/2026, 5:19:00 PM
OfficialNWS NWS Tulsa OKupdated 7/25/2026, 5:13:00 PM
OfficialNWS NWS Tulsa OKupdated 7/25/2026, 5:13:00 PM
OfficialNWS NWS Tulsa OKupdated 7/25/2026, 5:13:00 PM
OfficialNWS NWS Tulsa OKupdated 7/25/2026, 5:13:00 PM
OfficialNWS NWS Tulsa OKupdated 7/25/2026, 5:13:00 PM
OfficialNWS NWS Tulsa OKupdated 7/25/2026, 5:13:00 PM
OfficialNWS NWS Norman OKupdated 7/25/2026, 5:12:00 PM
OfficialNWS NWS Norman OKupdated 7/25/2026, 5:12:00 PM
OfficialNWS NWS Omaha/Valley NEupdated 7/25/2026, 5:06:00 PM
OfficialNWS NWS Shreveport LAupdated 7/25/2026, 5:01:00 PM
OfficialNWS NWS Duluth MNupdated 7/25/2026, 4:52:00 PM
OfficialNWS NWS Billings MTupdated 7/25/2026, 4:52:00 PM
OfficialNWS NWS Duluth MNupdated 7/25/2026, 4:52:00 PM
OfficialNWS NWS Grand Forks NDupdated 7/25/2026, 4:50:00 PM
OfficialNWS NWS Rapid City SDupdated 7/25/2026, 4:46:00 PM
OfficialNWS NWS Jackson MSupdated 7/25/2026, 4:36:00 PM
OfficialNWS NWS Jackson MSupdated 7/25/2026, 4:36:00 PM
OfficialNWS NWS Memphis TNupdated 7/25/2026, 4:17:00 PM
OfficialNWS NWS Memphis TNupdated 7/25/2026, 4:17:00 PM
OfficialNWS NWS Little Rock ARupdated 7/25/2026, 4:14:00 PM
OfficialNWS NWS Little Rock ARupdated 7/25/2026, 4:14:00 PM
OfficialNWS NWS Little Rock ARupdated 7/25/2026, 4:14:00 PM
OfficialNWS NWS Little Rock ARupdated 7/25/2026, 4:14:00 PM
OfficialNWS NWS Salt Lake City UTupdated 7/25/2026, 3:31:00 PM
OfficialNWS NWS Salt Lake City UTupdated 7/25/2026, 3:31:00 PM
OfficialNWS NWS Goodland KSupdated 7/25/2026, 3:14:00 PM
OfficialNWS NWS Las Vegas NVupdated 7/25/2026, 12:12:00 PM
OfficialNWS NWS Flagstaff AZupdated 7/25/2026, 7:47:00 AM
OfficialNWS NWS Twin Cities/Chanhassen MNupdated 7/25/2026, 7:37:00 AM
OfficialNWS NWS Twin Cities/Chanhassen MNupdated 7/25/2026, 7:37:00 AM
OfficialNWS NWS Twin Cities/Chanhassen MNupdated 7/25/2026, 7:37:00 AM
OfficialNWS NWS Springfield MOupdated 7/25/2026, 6:40:00 AM
OfficialNWS NWS Tampa Bay Ruskin FLupdated 7/25/2026, 5:22:00 AM
OfficialNWS NWS Tallahassee FLupdated 7/25/2026, 4:59:00 AM
OfficialNWS NWS Melbourne FLupdated 7/25/2026, 3:56:00 AM
OfficialNWS NWS Jacksonville FLupdated 7/25/2026, 3:52:00 AM
OfficialNWS NWS Los Angeles/Oxnard CAupdated 7/24/2026, 11:11:00 AM
OfficialNWS NWS Los Angeles/Oxnard CAupdated 7/24/2026, 11:11:00 AM
OfficialNWS NWS Los Angeles/Oxnard CAupdated 7/24/2026, 11:11:00 AM
⚠This is an informational severity score, not an official warning. Follow guidance from NWS/NOAA, FEMA (ready.gov), and local emergency management.