Weather Warnings for Iowa

Current Watches, Warnings and Advisories for Iowa Issued by the National Weather Service
Alerts Updated: October 21, 2021, 3:24 am  UTC


Frost Advisory issued October 21 at 3:24AM CDT until October 22 at 9:00AM CDT by NWS

Summary: ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT FRIDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Buchanan, Delaware, Dubuque, Benton, Linn and Iowa Counties. * WHEN...From 1 AM to 9 AM CDT Friday.
Severity:  Minor    Effective:  October 22, 2021, 1:00 am      Expires:  October 22, 2021, 9:00 am
Area:  Benton; Buchanan; Delaware; Dubuque; Iowa; Linn


Freeze Warning issued October 21 at 3:12AM CDT until October 22 at 10:00AM CDT by NWS

Summary: ...FREEZE WARNING IN EFFECT FROM 1 AM TO 10 AM CDT FRIDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of east central and northeast Nebraska and southwest and west central Iowa. * WHEN...From 1 AM to 10 AM CDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other
Severity:  Moderate    Effective:  October 22, 2021, 1:00 am      Expires:  October 22, 2021, 10:00 am
Area:  Harrison; Monona; Shelby


Frost Advisory issued October 21 at 3:12AM CDT until October 22 at 10:00AM CDT by NWS

Summary: ...FROST ADVISORY IN EFFECT FROM 1 AM TO 10 AM CDT FRIDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Portions of east central and southeast Nebraska and southwest Iowa. * WHEN...From 1 AM to 10 AM CDT Friday.
Severity:  Minor    Effective:  October 22, 2021, 1:00 am      Expires:  October 22, 2021, 10:00 am
Area:  Fremont; Mills; Montgomery; Page; Pottawattamie


Freeze Warning issued October 21 at 3:07AM CDT until October 22 at 9:00AM CDT by NWS

Summary: ...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM CDT FRIDAY... * WHAT...Temperatures will fall to around 30 late tonight. This will result in freeze which may end the growing season. * WHERE...Portions of west central Wisconsin, north central and northeast Iowa and southeast Minnesota. * WHEN...From 1 AM to 9 AM CDT Friday.
Severity:  Moderate    Effective:  October 22, 2021, 1:00 am      Expires:  October 22, 2021, 9:00 am
Area:  Chickasaw; Fayette; Floyd; Howard; Mitchell; Winneshiek


Frost Advisory issued October 21 at 3:07AM CDT until October 22 at 9:00AM CDT by NWS

Summary: ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT FRIDAY... * WHAT...Temperatures will fall to around freezing late tonight. This will result in frost formation. * WHERE...In Wisconsin, La Crosse, Vernon, Crawford, Richland and Grant Counties. In Iowa, Allamakee and Clayton Counties. In Minnesota, Houston County.
Severity:  Minor    Effective:  October 22, 2021, 1:00 am      Expires:  October 22, 2021, 9:00 am
Area:  Allamakee; Clayton


Freeze Warning issued October 21 at 2:49AM CDT until October 22 at 9:00AM CDT by NWS

Summary: ...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM CDT FRIDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Northern and Central Iowa. * WHEN...From 1 AM to 9 AM CDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor
Severity:  Moderate    Effective:  October 22, 2021, 1:00 am      Expires:  October 22, 2021, 9:00 am
Area:  Adair; Audubon; Black Hawk; Boone; Bremer; Butler; Calhoun; Carroll; Cass; Cerro Gordo; Crawford; Emmet; Franklin; Greene; Grundy; Guthrie; Hamilton; Hancock; Hardin; Humboldt; Kossuth; Marshall; Palo Alto; Pocahontas; Sac; Story; Webster; Winnebago; Worth; Wright


Frost Advisory issued October 21 at 2:49AM CDT until October 22 at 9:00AM CDT by NWS

Summary: ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT FRIDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Central and Southwestern Iowa. * WHEN...From 1 AM to 9 AM CDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left
Severity:  Minor    Effective:  October 22, 2021, 1:00 am      Expires:  October 22, 2021, 9:00 am
Area:  Adams; Dallas; Jasper; Madison; Mahaska; Marion; Polk; Poweshiek; Ringgold; Tama; Taylor; Union; Warren