Public Safety Alerts

See official public safety alerts, emergency alerts, presidential alerts and weather warnings for every U.S. location.
Search all public safety alerts, or filter by severity or county.

Public Safety Alerts

Illinois, Missouri Minor Frost Advisory | Effective 10/16/2026 00:04

Frost Advisory issued October 16 at 2:04AM CDT until October 17 at 9:00AM CDT by NWS St Louis MO

Event: Frost Advisory

Desc: * WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...Portions of south central, southwest, and west central Illinois and central, east central, and northeast Missouri. * WHEN...From 1 AM to 9 AM CDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be...

Areas: Greene County IL, Macoupin County IL, Montgomery County IL, Adams County IL, Brown County IL, Pike County IL, Calhoun County IL, Jersey County IL, Knox County MO, Lewis County MO, Shelby County MO, Marion County MO, Monroe County MO, Ralls County MO, Pike County MO, Audrain County MO, Lincoln County MO

Severity: Minor

Urgency: Expected

Effective: Friday, October 16, 2026 - 00:04

Expires: Friday, October 16, 2026 - 15:15

Sender: w-nws.webmaster@noaa.gov

Illinois Minor Frost Advisory | Effective 10/15/2026 23:28

Frost Advisory issued October 16 at 1:28AM CDT until October 17 at 8:00AM CDT by NWS Chicago IL

Event: Frost Advisory

Desc: * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...La Salle and Kendall Counties. * WHEN...From 5 AM to 8 AM CDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Areas: LaSalle County IL, Kendall County IL

Severity: Minor

Urgency: Expected

Effective: Thursday, October 15, 2026 - 23:28

Expires: Friday, October 16, 2026 - 09:30

Sender: w-nws.webmaster@noaa.gov

Illinois Severe Freeze Warning | Effective 10/15/2026 23:28

Freeze Warning issued October 16 at 1:28AM CDT until October 17 at 8:00AM CDT by NWS Chicago IL

Event: Freeze Warning

Desc: * WHAT...Sub-freezing temperatures are expected. * WHERE...Boone, Ogle, and Winnebago Counties. * WHEN...From 5 AM to 8 AM CDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Areas: Winnebago County IL, Boone County IL, Ogle County IL

Severity: Severe

Urgency: Expected

Effective: Thursday, October 15, 2026 - 23:28

Expires: Friday, October 16, 2026 - 09:30

Sender: w-nws.webmaster@noaa.gov

Illinois Severe Freeze Warning | Effective 10/15/2026 23:28

Freeze Warning issued October 16 at 1:28AM CDT until October 17 at 8:00AM CDT by NWS Chicago IL

Event: Freeze Warning

Desc: * WHAT...Sub-freezing temperatures are expected. * WHERE...De Kalb, Lee, Kane, and McHenry Counties. * WHEN...From 5 AM to 8 AM CDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Areas: McHenry County IL, Lee County IL, DeKalb County IL, Kane County IL

Severity: Severe

Urgency: Expected

Effective: Thursday, October 15, 2026 - 23:28

Expires: Friday, October 16, 2026 - 09:30

Sender: w-nws.webmaster@noaa.gov

Illinois Minor Frost Advisory | Effective 10/15/2026 23:28

Frost Advisory issued October 16 at 1:28AM CDT until October 17 at 8:00AM CDT by NWS Chicago IL

Event: Frost Advisory

Desc: * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Lake IL County. * WHEN...From 5 AM to 8 AM CDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Areas: Lake County IL

Severity: Minor

Urgency: Expected

Effective: Thursday, October 15, 2026 - 23:28

Expires: Friday, October 16, 2026 - 09:30

Sender: w-nws.webmaster@noaa.gov

Illinois Minor Frost Advisory | Effective 10/15/2026 23:19

Frost Advisory issued October 16 at 1:19AM CDT until October 17 at 9:00AM CDT by NWS Lincoln IL

Event: Frost Advisory

Desc: * WHAT...Clear skies and light winds will allow temperatures to drop to between 33 and 35 degrees tonight. This will result in frost formation. * WHERE...Portions of central and west central Illinois. * WHEN...From 1 AM to 9 AM CDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may...

Areas: Knox County IL, Stark County IL, Peoria County IL, Marshall County IL, Woodford County IL, Fulton County IL, Tazewell County IL, Schuyler County IL, Mason County IL, Logan County IL, Cass County IL, Menard County IL, Scott County IL, Morgan County IL, Sangamon County IL, Christian County IL

Severity: Minor

Urgency: Expected

Effective: Thursday, October 15, 2026 - 23:19

Expires: Friday, October 16, 2026 - 13:15

Sender: w-nws.webmaster@noaa.gov

Iowa, Illinois Severe Freeze Warning | Effective 10/15/2026 23:11

Freeze Warning issued October 16 at 1:11AM CDT until October 17 at 9:00AM CDT by NWS Quad Cities IA IL

Event: Freeze Warning

Desc: * WHAT...Sub-freezing temperatures as low as 32 expected. * WHERE...In Illinois, Rock Island and Whiteside Counties. In Iowa, Muscatine, Scott, Jefferson, and Washington Counties. * WHEN...From 1 AM to 9 AM CDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage...

Areas: Muscatine County IA, Scott County IA, Washington County IA, Jefferson County IA, Whiteside County IL, Rock Island County IL

Severity: Severe

Urgency: Expected

Effective: Thursday, October 15, 2026 - 23:11

Expires: Friday, October 16, 2026 - 07:15

Sender: w-nws.webmaster@noaa.gov

Iowa, Illinois Severe Freeze Warning | Effective 10/15/2026 23:11

Freeze Warning issued October 16 at 1:11AM CDT until October 17 at 9:00AM CDT by NWS Quad Cities IA IL

Event: Freeze Warning

Desc: * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of northwest Illinois and east central, northeast, and southeast Iowa. * WHEN...From 1 AM to 9 AM CDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Areas: Buchanan County IA, Delaware County IA, Dubuque County IA, Benton County IA, Linn County IA, Jones County IA, Jackson County IA, Iowa County IA, Johnson County IA, Cedar County IA, Clinton County IA, Keokuk County IA, Jo Daviess County IL, Stephenson County IL, Carroll County IL

Severity: Severe

Urgency: Expected

Effective: Thursday, October 15, 2026 - 23:11

Expires: Friday, October 16, 2026 - 07:15

Sender: w-nws.webmaster@noaa.gov

Iowa, Illinois, Missouri Minor Frost Advisory | Effective 10/15/2026 23:11

Frost Advisory issued October 16 at 1:11AM CDT until October 17 at 9:00AM CDT by NWS Quad Cities IA IL

Event: Frost Advisory

Desc: * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Portions of north central, northwest, and west central Illinois, southeast Iowa, and northeast Missouri. * WHEN...From 1 AM to 9 AM CDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left...

Areas: Louisa County IA, Henry County IA, Des Moines County IA, Van Buren County IA, Lee County IA, Henry County IL, Bureau County IL, Putnam County IL, Mercer County IL, Henderson County IL, Warren County IL, Hancock County IL, McDonough County IL, Scotland County MO, Clark County MO

Severity: Minor

Urgency: Expected

Effective: Thursday, October 15, 2026 - 23:11

Expires: Friday, October 16, 2026 - 07:15

Sender: w-nws.webmaster@noaa.gov

Filter by Severity

Minor (5) Apply Minor filter
Severe (4) Apply Severe filter

Filter by urgency:

(-) Remove Expected filter Expected

View by Area

(-) Remove US filter US

Public Safety Alerts