Perry, SD Warnings, Watches and Advisories
SAFETY and DATA MESSAGE
Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.
Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Perry.
Use the Radar Maps link provided to understand the trajectory of a storm.
NWS Active Alerts for SD - Map View
Frost Advisory
Corson; Campbell; McPherson; Walworth; Edmunds; Dewey; Potter; Stanley; Sully; Hughes; Jones
Frost Advisory issued May 18 at 1:26PM CDT until May 19 at 9:00AM CDT by NWS Aberdeen SD
* WHAT...Temperatures from 33 to 36 degrees may result in frost formation. * WHERE...Portions of central and north central South Dakota. * WHEN...From 4 AM CDT /3 AM MDT/ to 9 AM CDT /8 AM MDT/ Tuesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Minor
Likely
Expected
May 18th, 2026 01:26:00 pm CDT
May 18th, 2026 01:26:00 pm CDT
May 18th, 2026 11:30:00 pm CDT
Frost Advisory
Mellette; Todd
Frost Advisory issued May 18 at 11:49AM MDT until May 19 at 9:00AM MDT by NWS Rapid City SD
* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Mellette and Todd. * WHEN...From 1 AM to 10 AM CDT Tuesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Minor
Likely
Expected
May 18th, 2026 11:49:00 am MDT
May 18th, 2026 11:49:00 am MDT
May 19th, 2026 03:00:00 am MDT
Freeze Warning
Harding; Northern Perkins; Butte; Northern Meade Co Plains; Ziebach; Northern Foothills; Rapid City; Southern Foothills; Custer Co Plains; Pennington Co Plains; Haakon; Western Fall River; Northern Oglala Lakota; Northern Jackson; Bennett; Sturgis/Piedmont Foothills; Southern Meade Co Plains; Hermosa Foothills; Eastern Fall River; Southern Oglala Lakota; Southern Jackson; Southern Perkins; Northern Campbell; Southern Campbell; Western Crook; Weston County Plains; Newcastle; Northeastern Crook
Freeze Warning issued May 18 at 11:49AM MDT until May 19 at 9:00AM MDT by NWS Rapid City SD
* WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Portions of northwestern and southwestern South Dakota and northeast Wyoming. * WHEN...From midnight tonight to 9 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Moderate
Likely
Expected
May 18th, 2026 11:49:00 am MDT
May 18th, 2026 11:49:00 am MDT
May 19th, 2026 03:00:00 am MDT
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Currently
 |
54°F |
29.79 inHg.
Barometer 93%
Humidity N 14.8 mph Wind |
| Light Drizzle | ||