#ABR #SDwx 584
CDUS43 KABR 172224
CLIATY

CLIMATE REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
524 PM CDT SUN MAY 17 2026

...................................

...THE WATERTOWN SD CLIMATE SUMMARY FOR MAY 17 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1898 TO 2026

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
https://mesonet.agron.iastate.edu/p.php?pid=202605172224-KABR-CDUS43-CLIATY

#ABR #SDwx 581
CDUS43 KABR 172224
CLIPIR

CLIMATE REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
524 PM CDT SUN MAY 17 2026

...................................

...THE PIERRE SD CLIMATE SUMMARY FOR MAY 17 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1892 TO 2026

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
https://mesonet.agron.iastate.edu/p.php?pid=202605172224-KABR-CDUS43-CLIPIR

#ABR #SDwx 583
CDUS43 KABR 172224
CLIABR

CLIMATE REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
524 PM CDT SUN MAY 17 2026

...................................

...THE ABERDEEN SD CLIMATE SUMMARY FOR MAY 17 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2026

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
https://mesonet.agron.iastate.edu/p.php?pid=202605172224-KABR-CDUS43-CLIABR

#ABR #SDwx 582
CDUS43 KABR 172224
CLI8D3

CLIMATE REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
524 PM CDT SUN MAY 17 2026

...................................

...THE SISSETON SD CLIMATE SUMMARY FOR MAY 17 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1932 TO 2026

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
https://mesonet.agron.iastate.edu/p.php?pid=202605172224-KABR-CDUS43-CLI8D3

#ABR #SDwx 580
CDUS43 KABR 172224
CLIMBG

CLIMATE REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
524 PM CDT SUN MAY 17 2026

...................................

...THE MOBRIDGE SD CLIMATE SUMMARY FOR MAY 17 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1911 TO 2026

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
https://mesonet.agron.iastate.edu/p.php?pid=202605172224-KABR-CDUS43-CLIMBG

#ABR #SDwx 955
WUUS01 KWNS 172003
PTSDY1

DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE
NWS STORM PREDICTION CENTER NORMAN OK
0302 PM CDT SUN MAY 17 2026

VALID TIME 172000Z - 181200Z

PROBABILISTIC OUTLOOK POINTS DAY 1

... TORNADO ...

0.02 38899947 39049983 38680078 38210189 38240366 38680409
39170415 39500398 39730368 40380155 41870015 43129875
44699788 45359667 45939494 45749272 45329159 44649111
44199057 44038855 44428613 44468456 44318308 4394824 https://www.spc.noaa.gov/products/outlook/archive/2026/day1otlk_20260517_2000.html

#ABR #SDwx 252
FNUS63 KABR 171944 AAA
RFDABR

Rangeland Fire Danger Statement...UPDATED
National Weather Service Aberdeen SD
244 PM CDT Sun May 17 2026

.DISCUSSION...

Showers and thunderstorms will become more widespread across central
and parts of northeast South Dakota the first half of this afternoon
and then shift east into most of northeast South Dakota and west
central Minnesota later this afternoon into this evening. Some of
this activity will be contain m https://mesonet.agron.iastate.edu/p.php?pid=202605171944-KABR-FNUS63-RFDABR-AAA

#ABR #SDwx 961
WWUS20 KWNS 171839
SEL3
SPC WW 171839
IAZ000-MNZ000-NEZ000-SDZ000-180300-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 213
NWS Storm Prediction Center Norman OK
140 PM CDT Sun May 17 2026

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of
Northwest Iowa
Far Southwest Minnesota
Northeast Nebraska
Southeast South Dakota

* Effective this Sunday afternoon and evening from 140 PM until
1000 PM CDT.

* https://www.spc.noaa.gov/products/watch/2026/ww0213.html

#ABR #SDwx 131
FXUS63 KABR 171829
AFDABR

Area Forecast Discussion
National Weather Service Aberdeen SD
129 PM CDT Sun May 17 2026

.KEY MESSAGES...

- Slight Risk for severe weather (2 of 5) focused across far
northeast South Dakota and west central Minnesota this
afternoon/evening. Marginal Risk for severe weather (1 of 5)
includes parts of the northeast and central South Dakota.
Main threats are large hail, damaging winds and an isolated
tornado or two.
https://mesonet.agron.iastate.edu/p.php?pid=202605171829-KABR-FXUS63-AFDABR

#ABR #SDwx 316
ACUS11 KWNS 171659
SWOMCD
SPC MCD 171658
SDZ000-NEZ000-171830-

Mesoscale Discussion 0748
NWS Storm Prediction Center Norman OK
1158 AM CDT Sun May 17 2026

Areas affected...south-central SD into north-central NE

Concerning...Severe potential...Watch possible

Valid 171658Z - 171830Z

Probability of Watch Issuance...60 percent

SUMMARY...Severe thunderstorm potential will increase through early
afternoon downstream from ongoing elevated convection acr https://www.spc.noaa.gov/products/md/2026/md0748.html