Cheyenne, Wyoming

Regional Weather Alerts


     

Alert: Freeze Warning
Area(s): Scotts Bluff; North Sioux; South Sioux; Niobrara County; Central Laramie Range and Southwest Platte County; East Platte County; Goshen County; South Laramie Range Foothills; Central Laramie County; East Laramie County
Effective: 2026-05-19 @ 1:42 am -> 2026-05-19 @ 11:00 am
Onset: 2026-05-19 @ 1:42 am -> 2026-05-19 @ 11:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2026-05-19 @ 1:42 am
Headline: Freeze Warning issued May 19 at 12:42AM MDT until May 19 at 10:00AM MDT by NWS Cheyenne WY
Description: * WHAT...Sub-freezing temperatures as low as 24 degrees.

* WHERE...In Nebraska, Northern Sioux County, Scotts Bluff County,
and Southern Sioux County. In Wyoming, Niobrara County, Central
Laramie County, Central Laramie Range and Southwest Platte County,
East Laramie County, East Platte County, Goshen County, and South
Laramie Range Foothills.

* WHEN...Until 10 AM MDT this morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

Alert: Freeze Warning
Area(s): Converse County Lower Elevations; Laramie Valley
Effective: 2026-05-19 @ 1:42 am -> 2026-05-19 @ 4:00 pm
Onset: 2026-05-19 @ 1:42 am -> 2026-05-19 @ 11:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2026-05-19 @ 1:42 am
Headline: Freeze Warning issued May 19 at 12:42AM MDT until May 19 at 10:00AM MDT by NWS Cheyenne WY
Description: ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY MORNING...

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as
15 degrees. For the Freeze Watch, sub-freezing temperatures as low
as 20 possible.

* WHERE...Converse County Lower Elevations and Laramie Valley.

* WHEN...For the Freeze Warning, until 10 AM MDT this morning. For
the Freeze Watch, from late tonight through Wednesday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

Alert: Freeze Warning
Area(s): South Laramie Range
Effective: 2026-05-19 @ 1:42 am -> 2026-05-19 @ 4:00 pm
Onset: 2026-05-19 @ 1:42 am -> 2026-05-19 @ 11:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2026-05-19 @ 1:42 am
Headline: Freeze Warning issued May 19 at 12:42AM MDT until May 19 at 10:00AM MDT by NWS Cheyenne WY
Description: ...FREEZE WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
WEDNESDAY MORNING...

* WHAT...For the Freeze Warning tonight, sub-freezing temperatures
as low as 12 degrees above zero expected. For the Freeze Watch
Tuesday night, sub-freezing temperatures as low as 23 possible.

* WHERE...South Laramie Range.

* WHEN...For the Freeze Warning, until 10 AM MDT this morning. For
the Freeze Watch, from this evening through Wednesday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

Alert: Freeze Warning
Area(s): Upper North Platte River Basin
Effective: 2026-05-19 @ 1:42 am -> 2026-05-19 @ 4:00 pm
Onset: 2026-05-19 @ 1:42 am -> 2026-05-19 @ 11:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2026-05-19 @ 1:42 am
Headline: Freeze Warning issued May 19 at 12:42AM MDT until May 19 at 10:00AM MDT by NWS Cheyenne WY
Description: ...FREEZE WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
WEDNESDAY MORNING...

* WHAT...For the Freeze Warning tonight, sub-freezing temperatures
as low as 18 degrees expected. For the Freeze Watch Tuesday night,
sub-freezing temperatures as low as 20 possible.

* WHERE...Upper North Platte River Basin.

* WHEN...For the Freeze Warning, until 10 AM MDT this morning. For
the Freeze Watch, from this evening through Wednesday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

Alert: Freeze Warning
Area(s): Ferris/Seminoe/Shirley Mountains; Shirley Basin; Central Carbon County; North Snowy Range Foothills; Southwest Carbon County
Effective: 2026-05-19 @ 1:42 am -> 2026-05-19 @ 4:00 pm
Onset: 2026-05-19 @ 1:42 am -> 2026-05-19 @ 1:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Cheyenne WY on 2026-05-19 @ 1:42 am
Headline: Freeze Warning issued May 19 at 12:42AM MDT until May 19 at 12:00PM MDT by NWS Cheyenne WY
Description: ...FREEZE WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
WEDNESDAY MORNING...

* WHAT...For the Freeze Warning tonight, sub-freezing temperatures
as low as 12 degrees above zero expected. For the Freeze Watch
Tuesday night, sub-freezing temperatures as low as 18 possible.

* WHERE...Central Carbon County, Ferris/Seminoe/Shirley Mountains,
North Snowy Range Foothills, Shirley Basin, and Southwest Carbon
County.

* WHEN...For the Freeze Warning, until noon MDT today. For the
Freeze Watch, from this evening through Wednesday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

Alert: Freeze Watch
Area(s): Converse County Lower Elevations; Laramie Valley
Effective: 2026-05-19 @ 1:42 am -> 2026-05-19 @ 4:00 pm
Onset: 2026-05-20 @ 1:00 am -> 2026-05-20 @ 9:00 am
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Cheyenne WY on 2026-05-19 @ 1:42 am
Headline: Freeze Watch issued May 19 at 12:42AM MDT until May 20 at 8:00AM MDT by NWS Cheyenne WY
Description: ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY MORNING...

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as
15 degrees. For the Freeze Watch, sub-freezing temperatures as low
as 20 possible.

* WHERE...Converse County Lower Elevations and Laramie Valley.

* WHEN...For the Freeze Warning, until 10 AM MDT this morning. For
the Freeze Watch, from late tonight through Wednesday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

Alert: Freeze Watch
Area(s): South Laramie Range
Effective: 2026-05-19 @ 1:42 am -> 2026-05-19 @ 4:00 pm
Onset: 2026-05-19 @ 10:00 pm -> 2026-05-20 @ 11:00 am
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Cheyenne WY on 2026-05-19 @ 1:42 am
Headline: Freeze Watch issued May 19 at 12:42AM MDT until May 20 at 10:00AM MDT by NWS Cheyenne WY
Description: ...FREEZE WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
WEDNESDAY MORNING...

* WHAT...For the Freeze Warning tonight, sub-freezing temperatures
as low as 12 degrees above zero expected. For the Freeze Watch
Tuesday night, sub-freezing temperatures as low as 23 possible.

* WHERE...South Laramie Range.

* WHEN...For the Freeze Warning, until 10 AM MDT this morning. For
the Freeze Watch, from this evening through Wednesday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

Alert: Freeze Watch
Area(s): Ferris/Seminoe/Shirley Mountains; Shirley Basin; Central Carbon County; North Snowy Range Foothills; Southwest Carbon County
Effective: 2026-05-19 @ 1:42 am -> 2026-05-19 @ 4:00 pm
Onset: 2026-05-19 @ 10:00 pm -> 2026-05-20 @ 11:00 am
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Cheyenne WY on 2026-05-19 @ 1:42 am
Headline: Freeze Watch issued May 19 at 12:42AM MDT until May 20 at 10:00AM MDT by NWS Cheyenne WY
Description: ...FREEZE WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
WEDNESDAY MORNING...

* WHAT...For the Freeze Warning tonight, sub-freezing temperatures
as low as 12 degrees above zero expected. For the Freeze Watch
Tuesday night, sub-freezing temperatures as low as 18 possible.

* WHERE...Central Carbon County, Ferris/Seminoe/Shirley Mountains,
North Snowy Range Foothills, Shirley Basin, and Southwest Carbon
County.

* WHEN...For the Freeze Warning, until noon MDT today. For the
Freeze Watch, from this evening through Wednesday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

Alert: Freeze Watch
Area(s): Upper North Platte River Basin
Effective: 2026-05-19 @ 1:42 am -> 2026-05-19 @ 4:00 pm
Onset: 2026-05-19 @ 10:00 pm -> 2026-05-20 @ 11:00 am
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Cheyenne WY on 2026-05-19 @ 1:42 am
Headline: Freeze Watch issued May 19 at 12:42AM MDT until May 20 at 10:00AM MDT by NWS Cheyenne WY
Description: ...FREEZE WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
WEDNESDAY MORNING...

* WHAT...For the Freeze Warning tonight, sub-freezing temperatures
as low as 18 degrees expected. For the Freeze Watch Tuesday night,
sub-freezing temperatures as low as 20 possible.

* WHERE...Upper North Platte River Basin.

* WHEN...For the Freeze Warning, until 10 AM MDT this morning. For
the Freeze Watch, from this evening through Wednesday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.