#BYZ #MTwx 775
FXUS65 KBYZ 171135
AFDBYZ

Area Forecast Discussion...Updated
National Weather Service Billings MT
535 AM MDT Sun May 17 2026

.KEY MESSAGES...

- Cooler and breezy with occasional chances of precipitation today
into Monday.

- Wet snow accumulations possible along the Beartooth and Red
Lodge foothills this evening into Monday. Rain/snow mix with
little accumulation over north-central Wyoming and south-eastern
Montana Monday. Minor travel impa https://mesonet.agron.iastate.edu/p.php?pid=202605171135-KBYZ-FXUS65-AFDBYZ

#BYZ #MTwx 735
CDUS45 KBYZ 170931
CLILVM

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
331 AM MDT SUN MAY 17 2026

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

...THE LIVINGSTON MT CLIMATE SUMMARY FOR MAY 16 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1948 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=202605170931-KBYZ-CDUS45-CLILVM

#BYZ #MTwx 736
CDUS45 KBYZ 170931
CLIMLS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
331 AM MDT SUN MAY 17 2026

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

...THE MILES CITY MT CLIMATE SUMMARY FOR MAY 16 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1937 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=202605170931-KBYZ-CDUS45-CLIMLS

#BYZ #MTwx 739
CDUS45 KBYZ 170931
CLISHR

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
331 AM MDT SUN MAY 17 2026

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

...THE SHERIDAN WY CLIMATE SUMMARY FOR MAY 16 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1907 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=202605170931-KBYZ-CDUS45-CLISHR

#BYZ #MTwx 737
CDUS45 KBYZ 170931
CLIBIL

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
331 AM MDT SUN MAY 17 2026

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

...THE BILLINGS MT CLIMATE SUMMARY FOR MAY 16 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1934 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=202605170931-KBYZ-CDUS45-CLIBIL

#BYZ #MTwx 926
FXUS65 KBYZ 170707
AFDBYZ

Area Forecast Discussion
National Weather Service Billings MT
107 AM MDT Sun May 17 2026

.KEY MESSAGES...

- Cooler and breezy with occasional chances of precipitation today
into Monday.

- Wet snow accumulations possible along the Beartooth and Red
Lodge foothills this evening into Monday. Rain/snow mix with
little accumulation over north-central Wyoming and south-eastern
Montana Monday. Minor travel impacts possib https://mesonet.agron.iastate.edu/p.php?pid=202605170707-KBYZ-FXUS65-AFDBYZ

#BYZ #MTwx 947
WWUS45 KBYZ 170704
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
104 AM MDT Sun May 17 2026

MTZ056-066-180715-
/O.CON.KBYZ.WW.Y.0018.260518T0000Z-260518T1800Z/
Red Lodge Foothills-Beartooth Foothills-
Including the locations of Roberts, Fishtail, Roscoe, McLeod, Nye,
and Red Lodge
104 AM MDT Sun May 17 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON MDT MONDAY...

* WHAT...Snow and blowing https://mesonet.agron.iastate.edu/vtec/f/2026-O-CON-KBYZ-WW-Y-0018_2026-05-18T00:00Z

#BYZ #MTwx 203
NWUS55 KBYZ 170557
LSRBYZ

Preliminary Local Storm Report
National Weather Service Billings MT
1157 PM MDT Sat May 16 2026

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1013 PM Non-Tstm Wnd Gst 2 SSW Sheridan 44.77N 106.97W
05/16/2026 M62 MPH Sheridan WY ASOS

ASOS station KSHR Sheri https://mesonet.agron.iastate.edu/lsr/?by=wfo&wfo=BYZ&sts=202605170413&ets=202605170413

#BYZ #MTwx 203
NWUS55 KBYZ 170557
LSRBYZ

Preliminary Local Storm Report
National Weather Service Billings MT
1157 PM MDT Sat May 16 2026

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1013 PM Non-Tstm Wnd Gst 2 SSW Sheridan 44.77N 106.97W
05/16/2026 M62 MPH Sheridan WY ASOS

ASOS station KSHR Sheri https://mesonet.agron.iastate.edu/lsr/?by=wfo&wfo=BYZ&sts=202605170530&ets=202605170530