Alert archive / Minnesota / Frost Advisories in 2026
Frost Advisory 2, NWS Twin Cities, MN
NWS Twin Cities, MN issued this frost advisory at Apr 30, 2026, 1:46 PM CDT for 15 counties in Minnesota; Pepin County, Pierce County, Wisconsin. It took effect at May 1, 2026, 12:00 AM CDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Apr 30, 2026, 1:46 PM CDT (18:46 UTC)
- In effect from
- May 1, 2026, 12:00 AM CDT
- Expired
- May 1, 2026, 8:00 AM CDT
- In force
- 8 hr
- Issued by
- NWS Twin Cities, MN
Counties Anoka County, MN, Chippewa County, MN, Dakota County, MN, Goodhue County, MN, Isanti County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, McLeod County, MN, Meeker County, MN, Redwood County, MN, Renville County, MN, Sherburne County, MN, Washington County, MN, Wright County, MN, Yellow Medicine County, MN, Pepin County, WI, Pierce County, WI
The radar
The Minneapolis radar (KMPX), 40 km from the middle of the area, began a volume at 18:50 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, 6.8 hours before the alert went out and 38 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1287 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
250 WWUS73 KMPX 301846 NPWMPX URGENT - WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 146 PM CDT Thu Apr 30 2026 MNZ053-WIZ014>016-023-025-027-028-010700- /O.NEW.KMPX.FZ.W.0002.260501T0500Z-260501T1300Z/ Chisago-Polk-Barron-Rusk-St. Croix-Dunn-Chippewa-Eau Claire- Including the cities of Ladysmith, Center City, Eau Claire, Chippewa Falls, Menomonie, Rice Lake, Osceola, and Hudson 146 PM CDT Thu Apr 30 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT FRIDAY... * WHAT...Sub-freezing temperatures of 28 to 32 degrees expected. * WHERE...In Minnesota, Chisago County. In Wisconsin, Barron, Polk, Rusk, Chippewa, Dunn, Eau Claire, and St. Croix Counties. * WHEN...From midnight tonight to 8 AM CDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ MNZ051-052-054-056>059-061-063>066-070-073-078-WIZ024-026-010700- /O.NEW.KMPX.FR.Y.0002.260501T0500Z-260501T1300Z/ Sherburne-Isanti-Lac Qui Parle-Chippewa-Kandiyohi-Meeker-Wright- Anoka-Washington-Yellow Medicine-Renville-McLeod-Dakota-Redwood- Goodhue-Pierce-Pepin- Including the cities of Madison, Olivia, Blaine, Stillwater, Red Wing, River Falls, Montevideo, Hutchinson, Hastings, Redwood Falls, Cambridge, Monticello, Granite Falls, Litchfield, Elk River, Durand, and Willmar 146 PM CDT Thu Apr 30 2026 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT FRIDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Portions of central, east central, southeast, southwest, and west central Minnesota and west central Wisconsin. * WHEN...From midnight tonight to 8 AM CDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ BED
1 follow-up statement
150 WWUS73 KMPX 010154 NPWMPX URGENT - WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 854 PM CDT Thu Apr 30 2026 MNZ053-WIZ014>016-023-025-027-028-011200- /O.CON.KMPX.FZ.W.0002.260501T0500Z-260501T1300Z/ Chisago-Polk-Barron-Rusk-St. Croix-Dunn-Chippewa-Eau Claire- Including the cities of Center City, Rice Lake, Hudson, Chippewa Falls, Ladysmith, Osceola, Eau Claire, and Menomonie 854 PM CDT Thu Apr 30 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT FRIDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...In Minnesota, Chisago County. In Wisconsin, Barron, Polk, Rusk, Chippewa, Dunn, Eau Claire, and St. Croix Counties. * WHEN...From midnight tonight to 8 AM CDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ MNZ051-052-054-056>059-061-063>066-070-073-078-WIZ024-026-011200- /O.CON.KMPX.FR.Y.0002.260501T0500Z-260501T1300Z/ Sherburne-Isanti-Lac Qui Parle-Chippewa-Kandiyohi-Meeker-Wright- Anoka-Washington-Yellow Medicine-Renville-McLeod-Dakota-Redwood- Goodhue-Pierce-Pepin- Including the cities of Olivia, Blaine, Redwood Falls, Durand, Stillwater, Madison, Hutchinson, Cambridge, Monticello, Red Wing, Elk River, Granite Falls, Montevideo, Hastings, Willmar, River Falls, and Litchfield 854 PM CDT Thu Apr 30 2026 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT FRIDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of central, east central, southeast, southwest, and west central Minnesota and west central Wisconsin. * WHEN...From midnight tonight to 8 AM CDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Strus
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 1:46 PM CDT | Freeze Warning | MPX | Chisago | 18 hr |
Nearby
Frost Advisories in Minnesota, 2026Frost Advisories in Wisconsin, 2026Every frost advisory in 2026
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.