Alert archive / Minnesota / Heat Advisories in 2025

Heat Advisory 1, NWS Twin Cities, MN

June 19, 20259 counties in Minnesota

NWS Twin Cities, MN issued this heat advisory at Jun 19, 2025, 2:45 PM CDT for 9 counties in Minnesota. It took effect at Jun 20, 2025, 2:00 PM CDT. It was in force for 22 hr.

The area

The counties it named.

The facts

Issued: Jun 19, 2025, 2:45 PM CDT (19:45 UTC)
In effect from: Jun 20, 2025, 2:00 PM CDT
Expired: Jun 21, 2025, 12:00 PM CDT
In force: 22 hr
Issued by: NWS Twin Cities, MN

Counties Freeborn County, MN, Kandiyohi County, MN, Le Sueur County, MN, McLeod County, MN, Meeker County, MN, Sibley County, MN, Stevens County, MN, Swift County, MN, Waseca County, MN

The radar

The Minneapolis radar (KMPX), 74 km from the middle of the area, began a volume at 19:45 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 7.8 hours before the alert went out and 71 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 92 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 1682 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 99 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Twin Cities, MN wrote its last area forecast discussion before this heat advisory went out at Jun 19, 12:41 PM CDT, 2 hours 4 minutes earlier.

Area forecast discussion, Jun 19, 12:41 PM CDT, 2 hours 4 minutes before

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Hazardous weather outlook, Jun 19, 4:03 AM CDT, 10 hours 42 minutes before

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The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 19, 2:45 PM CDT	Extreme Heat Warning	MPX	Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more	3 days
Jun 19, 6:58 PM CDT	Severe Thunderstorm Warning	MPX	Chisago	32 min

Nearby

Heat Advisories in Minnesota, 2025 Every heat advisory in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.