737
FXUS65 KBYZ 240709
AFDBYZ
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BILLINGS MT
109 AM MDT FRI APR 24 2026
KEY MESSAGES
- IMPACTFUL WEATHER SYSTEM CONTINUES TODAY. IMPACTS INCLUDE BREEZY
CONDITIONS, SOME PRECIPITATION (RAIN AND SNOW), AND COOLER
TEMPERATURES.
- THE WEATHER SYSTEM WILL IMPACT TRAVEL FOR PORTIONS OF THE
FOOTHILLS AND RECREATION IN THE HIGH COUNTRY. COOL AND WET
CONDITIONS WILL IMPACT YOUNG LIVESTOCK.
- COOL AND UNSETTLED CONDITIONS CONTINUE THROUGH THE WEEKEND AND INTO
NEXT WEEK.
DISCUSSION
THROUGH WEDNESDAY...
A LARGELY STATIONARY UPPER LOW OVER CANADA WILL BRING A CONTINUED
CHANCE OF PRECIPITATION INTO THE MOUNTAINS AND FOOTHILLS TODAY.
WINTER WEATHER HIGHLIGHTS REMAIN IN EFFECT UNTIL NOON FOR THE
CRAZIES, 6 PM FOR THE ABSAROKA/BEARTOOTHS THEIR FOOTHILLS AND THE
BIG HORNS AND PRYORS. UPSLOPE FLOW WILL FAVOR NORTH FACING
MOUNTAIN ASPECTS, WITH LOCALLY HIGHER TOTALS POSSIBLE (5-10
INCHES). THE MOST RECENT FORECAST HAS SEEN AMOUNTS TREND A BIT
HIGHER IN THE IMMEDIATE RED LODGE AND SHERIDAN FOOTHILLS. FOR RED
LODGE, THE LATEST FORECAST HAS 3-7 INCHES OF ADDITIONAL SNOWFALL
THROUGH THIS MORNING. REGARDLESS, PREPARE FOR SLICK AND HAZARDOUS
ROADS THROUGH THIS MORNING. THOUGH SNOW AMOUNTS (1-3" OF TOTAL
SNOWFALL) HAVE COME UP FOR SHERIDAN, THE RECENT WARMTH SHOULD
MITIGATE ACCUMULATIONS ON NON- GRASSY SURFACES.
LOOK FOR HIGH TEMPERATURES IN THE UPPER 30S TO MID 40SF TODAY,
ALONG WITH BREEZY NORTHWEST WINDS IN THE 20 TO 40 MPH RANGE,
STRONGEST OVER THE NORTHERN ZONES.
COOL AND UNSETTLED CONDITIONS WILL CONTINUE INTO NEXT WEEK AS THE
AFOREMENTIONED UPPER LOW REMAINS OVER SASKATCHEWAN, KEEPING LOWER
HEIGHTS OVER THE REGION. PERIODS OF RAIN/SNOW SHOWERS ARE
POSSIBLE MOST DAYS, AS DISTURBANCES MOVE THROUGH THE REGION.
SEVERAL DETERMINISTIC MODELS (ECMWF, CANADIAN, AND NAM) ARE
FAVORING SOUTHEAST MT ON SUNDAY WITH A MODERATE TO HIGH CHANCE FOR
PRECIP. MEANWHILE, THE GFS SHOWS A LOW CHANCE FOR PRECIPITATION
OVER THE MOUNTAINS AND LITTLE TO NOTHING OVER THE PLAINS.
UNCERTAINTY REMAINS ON THE EXTENT OF THESE DISTURBANCES SO STAY
TUNED TO THE FORECAST THROUGH THE WEEKEND. HIGH TEMPERATURES ARE
FORECAST TO RANGE FROM THE 40S SATURDAY, TO THE UPPER 30S TO 40S
SUNDAY, AND 40S TO 50S MONDAY THROUGH WEDNESDAY. PM/STP
AVIATION
PERIODS OF SNOW SHOWERS WILL AFFECT THE MOUNTAINS AND FOOTHILLS OF
SOUTHERN MONTANA AND NORTH CENTRAL WYOMING THROUGH FRIDAY AS
PERIODIC DISTURBANCES IN THE MAIN FLOW PATTERN ROTATE THROUGH THE
REGION. AREAS NEAR THE MOUNTAINS (IE KLVM/KRED/KSHR) WILL SEE
IFR/MVFR MOST FREQUENTLY. OTHER LOCATIONS AWAY FROM THE TERRAIN
WILL BE MOSTLY VFR TO LOCAL MVFR IN SCATTERED RAIN/SNOW SHOWERS.
MOUNTAINS WILL BE OBSCURED THROUGH THE PERIOD. LOOK FOR NORTHWEST
WINDS TO BECOME BRISK AGAIN AT MOST LOCATIONS TODAY (GUSTS 25-30
KTS POSSIBLE LOCALLY). BT
PRELIMINARY POINT TEMP/POPS
TDY SAT SUN MON TUE WED THU
-------------------------------------------------------
BIL 045 026/049 029/044 030/047 032/058 035/059 036/059
2/J 11/B 26/J 55/W 23/W 23/W 11/B
LVM 038 018/045 024/042 026/048 029/055 032/056 033/056
5/J 12/J 26/J 56/W 23/W 23/W 11/B
HDN 046 024/051 029/047 030/049 029/059 032/060 033/059
2/J 11/B 27/W 75/W 23/W 23/W 21/B
MLS 043 024/047 029/046 030/048 028/056 032/058 032/057
1/N 10/B 26/W 62/W 11/B 11/B 10/B
4BQ 045 024/047 031/045 030/045 028/054 032/057 033/056
2/J 11/B 48/W 73/W 12/W 12/W 11/B
BHK 044 021/047 027/045 028/045 025/052 028/054 029/054
1/N 10/B 37/W 63/J 11/B 11/B 11/B
SHR 040 019/045 025/045 026/046 025/054 029/054 030/054
5/J 33/W 38/W 75/W 34/T 24/W 33/W
BYZ WATCHES/WARNINGS/ADVISORIES
MT...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT TODAY FOR
ZONES 40-64-65.
WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MDT THIS EVENING
FOR ZONES 56-66-171.
WINTER STORM WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING
FOR ZONE 67.
WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT EARLY THIS
MORNING FOR ZONE 68.
WY...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MDT THIS EVENING
FOR ZONE 198.
WEATHER.GOV/BILLINGS
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