957
FPUS55 KCYS 181538
ZFPCYS
ZONE FORECAST PRODUCT FOR SOUTHEAST WYOMING AND WESTERN NEBRASKA PANHANDLE
NATIONAL WEATHER SERVICE CHEYENNE WY
937 AM MDT MON MAY 18 2026
WYZ118-182300-
CENTRAL LARAMIE COUNTY-
INCLUDING THE CITY OF CHEYENNE
937 AM MDT MON MAY 18 2026
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY MORNING...
REST OF TODAY
SNOW SHOWERS. A SLIGHT CHANCE OF RAIN SHOWERS
AND THUNDERSTORMS THIS AFTERNOON. ADDITIONAL SNOW ACCUMULATION OF
1 TO 3 INCHES. TOTAL SNOW ACCUMULATION 2 TO 3 INCHES. MUCH
COOLER. NEAR STEADY TEMPERATURE IN THE LOWER 30S. NORTHEAST WINDS
15 TO 20 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF PRECIPITATION
NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS WITH A SLIGHT
CHANCE OF RAIN SHOWERS IN THE EVENING. WIDESPREAD FROST AFTER
MIDNIGHT. LITTLE OR NO ADDITIONAL SNOW ACCUMULATION. COLD WITH
LOWS IN THE MID 20S. NORTH WINDS 15 TO 20 MPH WITH GUSTS UP TO
30 MPH, BECOMING NORTHWEST 5 TO 10 MPH WITH GUSTS UP TO 20 MPH
AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
WIDESPREAD FROST IN THE MORNING. MOSTLY SUNNY. NOT AS
COOL WITH HIGHS IN THE MID 40S. WEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. COLD WITH LOWS IN THE LOWER 30S.
SOUTH WINDS 10 TO 15 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. NOT AS COOL WITH HIGHS IN THE UPPER 50S. SOUTHWEST
WINDS 15 TO 20 MPH. CHANCE OF RAIN 40 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE OF
RAIN 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE MID 30S. CHANCE OF RAIN 50 PERCENT.
FRIDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF RAIN 30 PERCENT.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
SATURDAY
SUNNY. HIGHS IN THE LOWER 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
SUNDAY
SUNNY. HIGHS IN THE UPPER 70S.
WYZ115-182300-
LARAMIE VALLEY-
INCLUDING THE CITIES OF BOSLER AND LARAMIE
937 AM MDT MON MAY 18 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY MORNING...
REST OF TODAY
SNOW SHOWERS LATE THIS MORNING, THEN SNOW
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON.
SNOW MAY BE HEAVY AT TIMES LATE THIS MORNING. ADDITIONAL SNOW
ACCUMULATION OF 1 TO 3 INCHES. MUCH COOLER. NEAR STEADY
TEMPERATURE AROUND 30. NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS UP
TO 30 MPH. CHANCE OF SNOW NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS, MAINLY IN THE
EVENING. ADDITIONAL SNOW ACCUMULATION UP TO 1 INCH POSSIBLE.
TOTAL SNOW ACCUMULATION 5 TO 11 INCHES. COLD WITH LOWS AROUND 20.
NORTH WINDS 10 TO 15 MPH, BECOMING WEST AROUND 5 MPH AFTER
MIDNIGHT. CHANCE OF SNOW 50 PERCENT.
TUESDAY
PARTLY SUNNY. WIDESPREAD FROST IN THE MORNING. A
CHANCE OF SNOW SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 30S.
SOUTHWEST WINDS AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
CHANCE OF SNOW 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. COLD WITH LOWS IN THE MID 20S.
SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. NOT AS COOL WITH HIGHS IN THE LOWER
50S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST IN THE
AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. COLD WITH LOWS IN THE UPPER
20S.
THURSDAY
MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 50S. CHANCE OF
RAIN 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. COLD WITH LOWS IN
THE LOWER 30S. CHANCE OF RAIN 40 PERCENT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS AROUND 60. LOWS
IN THE MID 30S.
SATURDAY
SUNNY. HIGHS IN THE MID 60S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S.
NEZ019-182300-
SCOTTS BLUFF COUNTY-
INCLUDING THE CITIES OF SCOTTSBLUFF AND GERING
937 AM MDT MON MAY 18 2026
...FREEZE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO
10 AM MDT TUESDAY...
REST OF TODAY
RAIN SHOWERS WITH A SLIGHT CHANCE OF SNOW
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON. SNOW
ACCUMULATION UP TO 1 INCH. MUCH COOLER. NEAR STEADY TEMPERATURE
IN THE UPPER 30S. NORTH WINDS 15 TO 20 MPH WITH GUSTS UP TO
30 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. WIDESPREAD FROST
AFTER MIDNIGHT. COLD WITH LOWS AROUND 30. NORTHWEST WINDS 15 TO
20 MPH WITH GUSTS UP TO 30 MPH, DIMINISHING TO 5 TO 10 MPH AFTER
MIDNIGHT. CHANCE OF RAIN 20 PERCENT.
TUESDAY
WIDESPREAD FROST IN THE MORNING. SUNNY. NOT AS COOL
WITH HIGHS IN THE UPPER 50S. WEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS IN THE MID 60S. SOUTH WINDS 10 TO 15 MPH WITH
GUSTS UP TO 30 MPH. CHANCE OF RAIN 30 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
THURSDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS AROUND 70. CHANCE OF RAIN 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS AROUND 40. CHANCE OF RAIN 50 PERCENT.
FRIDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE LOWER 70S. CHANCE OF RAIN 30 PERCENT.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SUNDAY
SUNNY, HOT WITH HIGHS IN THE MID 80S.
WYZ101-182300-
CONVERSE COUNTY LOWER ELEVATIONS-
INCLUDING THE CITIES OF BILL, DOUGLAS, DEER CREEK, AND GLENROCK
937 AM MDT MON MAY 18 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
...FREEZE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO
10 AM MDT TUESDAY...
REST OF TODAY
SNOW SHOWERS WITH A SLIGHT CHANCE OF RAIN
SHOWERS. ADDITIONAL SNOW ACCUMULATION AROUND AN INCH. TOTAL SNOW
ACCUMULATION 1 TO 7 INCHES. BREEZY AND MUCH COOLER WITH HIGHS IN
THE MID 30S. NORTH WINDS 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.
CHANCE OF PRECIPITATION NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
WIDESPREAD FROST AFTER MIDNIGHT. COLD WITH LOWS IN THE MID 20S.
NORTHWEST WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION 20 PERCENT.
TUESDAY
WIDESPREAD FROST IN THE MORNING. MOSTLY SUNNY. NOT AS
COOL WITH HIGHS IN THE UPPER 40S. WEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. COLD WITH LOWS IN THE UPPER 20S.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. NOT AS COOL WITH HIGHS IN THE LOWER 60S.
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE OF RAIN 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S.
FRIDAY
MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE MORNING.
HIGHS IN THE MID 60S. CHANCE OF RAIN 30 PERCENT.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE MID 70S.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE LOWER 40S.
SUNDAY
SUNNY. HIGHS IN THE UPPER 70S.
WYZ108-182300-
GOSHEN COUNTY-
INCLUDING THE CITY OF TORRINGTON
937 AM MDT MON MAY 18 2026
...FREEZE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO
10 AM MDT TUESDAY...
REST OF TODAY
RAIN AND SNOW SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS THIS AFTERNOON. SNOW ACCUMULATION AROUND AN INCH.
MUCH COOLER. NEAR STEADY TEMPERATURE IN THE MID 30S. NORTH WINDS
AROUND 15 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF PRECIPITATION
NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS
IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. WIDESPREAD
FROST AFTER MIDNIGHT. LITTLE OR NO ADDITIONAL SNOW ACCUMULATION.
COLD WITH LOWS IN THE UPPER 20S. NORTHWEST WINDS 10 TO 15 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
WIDESPREAD FROST IN THE MORNING. MOSTLY SUNNY. NOT AS
COOL WITH HIGHS IN THE LOWER 50S. WEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. WARMER WITH HIGHS IN THE MID 60S.
SOUTH WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER
30S. CHANCE OF RAIN 40 PERCENT.
FRIDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN 30 PERCENT.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SUNDAY
SUNNY. HIGHS IN THE MID 80S.
NEZ003-182300-
BOX BUTTE COUNTY-
INCLUDING THE CITIES OF ALLIANCE AND HEMINGFORD
937 AM MDT MON MAY 18 2026
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY MORNING...
REST OF TODAY
RAIN SHOWERS WITH A SLIGHT CHANCE OF SNOW
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON. LITTLE
OR NO SNOW ACCUMULATION. MUCH COOLER. NEAR STEADY TEMPERATURE IN
THE UPPER 30S. NORTH WINDS AROUND 20 MPH WITH GUSTS UP TO 35 MPH.
CHANCE OF PRECIPITATION NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. WIDESPREAD FROST
AFTER MIDNIGHT. COLD WITH LOWS IN THE UPPER 20S. NORTH WINDS
15 TO 20 MPH WITH GUSTS UP TO 30 MPH, BECOMING NORTHWEST 5 TO
10 MPH AFTER MIDNIGHT. CHANCE OF RAIN 20 PERCENT.
TUESDAY
WIDESPREAD FROST IN THE MORNING. MOSTLY SUNNY. NOT AS
COOL WITH HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. BREEZY WITH HIGHS IN THE LOWER 60S. SOUTH WINDS 15 TO
25 MPH WITH GUSTS UP TO 35 MPH. CHANCE OF RAIN 40 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 60S. CHANCE OF RAIN 50 PERCENT.
THURSDAY NIGHT
A CHANCE OF THUNDERSTORMS IN THE EVENING.
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE UPPER 30S.
CHANCE OF RAIN 50 PERCENT.
FRIDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS AROUND 70. CHANCE OF RAIN 40 PERCENT.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
SUNDAY
SUNNY, HOT WITH HIGHS IN THE MID 80S.
WYZ109-182300-
CENTRAL CARBON COUNTY-
INCLUDING THE CITY OF RAWLINS
937 AM MDT MON MAY 18 2026
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
...FREEZE WATCH REMAINS IN EFFECT FROM 9 PM MDT THIS EVENING
THROUGH TUESDAY MORNING...
REST OF TODAY
PATCHY BLOWING SNOW LATE THIS MORNING. SNOW
SHOWERS LATE THIS MORNING, THEN SNOW SHOWERS WITH A SLIGHT CHANCE
OF THUNDERSTORMS THIS AFTERNOON. SNOW MAY BE HEAVY AT TIMES LATE
THIS MORNING. ADDITIONAL SNOW ACCUMULATION OF 4 TO 6 INCHES. VERY
WINDY AND MUCH COLDER. NEAR STEADY TEMPERATURE IN THE UPPER 20S.
NORTHEAST WINDS 25 TO 35 MPH. GUSTS UP TO 60 MPH, DECREASING TO
50 MPH THIS AFTERNOON. CHANCE OF SNOW NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS, MAINLY IN THE
EVENING. WIDESPREAD FROST AFTER MIDNIGHT. ADDITIONAL SNOW
ACCUMULATION UP TO 1 INCH POSSIBLE. TOTAL SNOW ACCUMULATION 9 TO
18 INCHES. COLD WITH LOWS AROUND 19. NORTH WINDS 15 TO 20 MPH
WITH GUSTS UP TO 35 MPH, BECOMING NORTHWEST AROUND 5 MPH AFTER
MIDNIGHT. CHANCE OF SNOW 50 PERCENT.
TUESDAY
MOSTLY CLOUDY IN THE MORNING, THEN CLEARING.
WIDESPREAD FROST IN THE MORNING. HIGHS IN THE MID 30S. WEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. COLD WITH LOWS AROUND 19. SOUTH
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. NOT AS COOL WITH HIGHS IN THE UPPER 40S.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. NOT AS COLD WITH LOWS AROUND 30.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 50S. CHANCE OF
RAIN 40 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. COLD WITH LOWS IN THE LOWER 30S.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER 50S.
LOWS IN THE MID 30S.
SATURDAY
SUNNY. HIGHS IN THE MID 60S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S.
NEZ002-182300-
DAWES COUNTY-
INCLUDING THE CITIES OF CHADRON AND CHADRON ST PARK
937 AM MDT MON MAY 18 2026
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY MORNING...
REST OF TODAY
RAIN SHOWERS WITH A SLIGHT CHANCE OF SNOW
SHOWERS. SNOW ACCUMULATION UP TO 1 INCH. MUCH COOLER. NEAR STEADY
TEMPERATURE IN THE UPPER 30S. NORTH WINDS 15 TO 20 MPH WITH GUSTS
UP TO 30 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS WITH A
SLIGHT CHANCE OF SNOW SHOWERS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. WIDESPREAD FROST AFTER MIDNIGHT. LITTLE OR NO
SNOW ACCUMULATION. COLD WITH LOWS AROUND 30. NORTHWEST WINDS
15 TO 20 MPH, DIMINISHING TO AROUND 5 MPH AFTER MIDNIGHT. CHANCE
OF PRECIPITATION 50 PERCENT.
TUESDAY
WIDESPREAD FROST IN THE MORNING. MOSTLY SUNNY. NOT AS
COOL WITH HIGHS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS IN THE MID 60S. SOUTH WINDS 15 TO 20 MPH WITH
GUSTS UP TO 30 MPH. CHANCE OF RAIN 40 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE LOWER 40S.
THURSDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 60S. CHANCE OF RAIN 50 PERCENT.
THURSDAY NIGHT
A CHANCE OF THUNDERSTORMS IN THE EVENING.
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE UPPER 30S.
CHANCE OF RAIN 50 PERCENT.
FRIDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS AROUND 70. CHANCE OF RAIN 30 PERCENT.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE UPPER 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SUNDAY
SUNNY, HOT WITH HIGHS IN THE MID 80S.
NEZ055-182300-
CHEYENNE COUNTY-
INCLUDING THE CITIES OF SIDNEY AND BROWNSON
937 AM MDT MON MAY 18 2026
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY MORNING...
REST OF TODAY
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS THIS
AFTERNOON. BREEZY AND MUCH COOLER. NEAR STEADY TEMPERATURE AROUND
40. NORTHEAST WINDS 20 TO 25 MPH WITH GUSTS UP TO 35 MPH. CHANCE
OF RAIN NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. COLD WITH LOWS IN
THE UPPER 20S. NORTHWEST WINDS 15 TO 20 MPH. GUSTS UP TO 35 MPH
IN THE EVENING. CHANCE OF RAIN 20 PERCENT.
TUESDAY
MOSTLY SUNNY. NOT AS COOL WITH HIGHS IN THE MID 50S.
NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. EAST WINDS
AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS AROUND 60. SOUTH WINDS 15 TO 20 MPH WITH GUSTS
UP TO 30 MPH. CHANCE OF RAIN 30 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN
50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 30S. CHANCE OF RAIN 50 PERCENT.
FRIDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS AROUND 70. CHANCE OF RAIN 30 PERCENT.
FRIDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE LOWER 40S. CHANCE OF RAIN 30 PERCENT.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER
70S. LOWS IN THE MID 40S.
SUNDAY
SUNNY. HIGHS IN THE MID 80S.
NEZ054-182300-
KIMBALL COUNTY-
INCLUDING THE CITY OF KIMBALL
937 AM MDT MON MAY 18 2026
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY MORNING...
REST OF TODAY
RAIN SHOWERS. A SLIGHT CHANCE OF SNOW SHOWERS
LATE THIS MORNING, THEN SNOW SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS THIS AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH.
MUCH COOLER. NEAR STEADY TEMPERATURE IN THE UPPER 30S. NORTHEAST
WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. COLD
WITH LOWS IN THE UPPER 20S. NORTHWEST WINDS 15 TO 20 MPH. CHANCE
OF PRECIPITATION 20 PERCENT.
TUESDAY
WIDESPREAD FROST IN THE MORNING. MOSTLY SUNNY. NOT AS
COOL WITH HIGHS IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY
PARTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH
A CHANCE OF RAIN SHOWERS IN THE AFTERNOON. HIGHS AROUND 60. SOUTH
WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN
40 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER
30S. CHANCE OF RAIN 30 PERCENT.
THURSDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN
50 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE UPPER 30S. CHANCE OF RAIN 40 PERCENT.
FRIDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN 30 PERCENT.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
SATURDAY
SUNNY. HIGHS IN THE MID 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S.
WYZ107-182300-
EAST PLATTE COUNTY-
INCLUDING THE CITIES OF WHEATLAND AND GUERNSEY
937 AM MDT MON MAY 18 2026
...FREEZE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO
10 AM MDT TUESDAY...
REST OF TODAY
SNOW AND RAIN SHOWERS. ADDITIONAL SNOW
ACCUMULATION AROUND AN INCH. TOTAL SNOW ACCUMULATION 2 TO
4 INCHES. MUCH COOLER. NEAR STEADY TEMPERATURE IN THE MID 30S.
NORTH WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS
IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. WIDESPREAD
FROST AFTER MIDNIGHT. LITTLE OR NO ADDITIONAL SNOW ACCUMULATION.
COLD WITH LOWS IN THE UPPER 20S. NORTHWEST WINDS 15 TO 20 MPH
WITH GUSTS UP TO 30 MPH, DIMINISHING TO 5 TO 10 MPH AFTER
MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
WIDESPREAD FROST IN THE MORNING. MOSTLY SUNNY. NOT AS
COOL WITH HIGHS AROUND 50. WEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. COLD WITH LOWS IN THE LOWER 30S.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. NOT AS COOL WITH HIGHS IN THE LOWER
60S. SOUTH WINDS 5 TO 10 MPH, BECOMING WEST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF
RAIN 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE UPPER 30S. CHANCE OF RAIN 40 PERCENT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER 60S.
LOWS IN THE LOWER 40S.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID
70S. LOWS IN THE UPPER 40S.
SUNDAY
SUNNY. HIGHS AROUND 80.
WYZ102-182300-
NIOBRARA COUNTY-
INCLUDING THE CITIES OF LUSK AND REDBIRD
937 AM MDT MON MAY 18 2026
...FREEZE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO
10 AM MDT TUESDAY...
REST OF TODAY
RAIN AND SNOW SHOWERS. SNOW ACCUMULATION AROUND
AN INCH. TOTAL SNOW ACCUMULATION 1 TO 3 INCHES. BREEZY AND MUCH
COOLER. NEAR STEADY TEMPERATURE IN THE MID 30S. NORTH WINDS 15 TO
25 MPH WITH GUSTS UP TO 35 MPH. CHANCE OF PRECIPITATION NEAR
100 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS WITH A
SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. WIDESPREAD FROST AFTER MIDNIGHT. LITTLE OR NO
ADDITIONAL SNOW ACCUMULATION. COLD WITH LOWS IN THE UPPER 20S.
NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH, DIMINISHING
TO 5 TO 10 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION
50 PERCENT.
TUESDAY
WIDESPREAD FROST IN THE MORNING. MOSTLY SUNNY. NOT AS
COOL WITH HIGHS IN THE MID 50S. WEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. COLD WITH LOWS AROUND 30.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY, WARMER WITH HIGHS IN THE MID 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF RAIN 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE
EVENING. LOWS IN THE MID 30S. CHANCE OF RAIN 40 PERCENT.
FRIDAY
MOSTLY SUNNY WITH A CHANCE OF RAIN SHOWERS. HIGHS IN
THE MID 60S. CHANCE OF RAIN 30 PERCENT.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE MID 70S.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE MID 40S.
SUNDAY
SUNNY. HIGHS IN THE LOWER 80S.
WYZ113-182300-
UPPER NORTH PLATTE RIVER BASIN-
INCLUDING THE CITIES OF SARATOGA AND ENCAMPMENT
937 AM MDT MON MAY 18 2026
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY MORNING...
REST OF TODAY
A SLIGHT CHANCE OF THUNDERSTORMS. SNOW SHOWERS.
ADDITIONAL SNOW ACCUMULATION OF 2 TO 4 INCHES. BLUSTERY AND MUCH
COOLER WITH HIGHS IN THE MID 30S. NORTHEAST WINDS 15 TO 25 MPH
WITH GUSTS UP TO 40 MPH. CHANCE OF SNOW NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY. SNOW SHOWERS LIKELY, MAINLY IN THE
EVENING. ADDITIONAL SNOW ACCUMULATION UP TO 1 INCH. TOTAL SNOW
ACCUMULATION 3 TO 11 INCHES. COLDER WITH LOWS AROUND 20. NORTH
WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH, BECOMING WEST AROUND
5 MPH AFTER MIDNIGHT. CHANCE OF SNOW 70 PERCENT.
TUESDAY
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY
SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS IN THE UPPER 30S.
WEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. COLD WITH LOWS IN THE LOWER 20S.
SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. NOT AS COOL WITH HIGHS IN THE LOWER 50S.
SOUTHWEST WINDS AROUND 5 MPH, BECOMING WEST WITH GUSTS UP TO
20 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLD WITH LOWS IN THE UPPER 20S.
THURSDAY
MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 50S. CHANCE OF
RAIN 50 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY. LOWS IN THE LOWER
30S. HIGHS AROUND 60.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
UPPER 30S. HIGHS IN THE UPPER 60S.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S.
WYZ119-182300-
EAST LARAMIE COUNTY-
INCLUDING THE CITY OF PINE BLUFFS
937 AM MDT MON MAY 18 2026
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY MORNING...
REST OF TODAY
RAIN AND SNOW SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS THIS AFTERNOON. SNOW ACCUMULATION AROUND AN INCH.
MUCH COOLER. NEAR STEADY TEMPERATURE IN THE MID 30S. NORTHEAST
WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS IN
THE EVENING. WIDESPREAD FROST AFTER MIDNIGHT. LITTLE OR NO
ADDITIONAL SNOW ACCUMULATION. COLD WITH LOWS IN THE MID 20S.
NORTH WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH, BECOMING
NORTHWEST 5 TO 10 MPH WITH GUSTS UP TO 20 MPH AFTER MIDNIGHT.
CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
WIDESPREAD FROST IN THE MORNING. MOSTLY SUNNY. NOT AS
COOL WITH HIGHS AROUND 50. NORTHWEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
AROUND 5 MPH, INCREASING TO 10 TO 15 MPH AFTER MIDNIGHT.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. NOT AS COOL WITH HIGHS AROUND 60. SOUTH WINDS 15 TO
20 MPH. CHANCE OF RAIN 40 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF RAIN
50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE MID 30S. CHANCE OF RAIN 50 PERCENT.
FRIDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN 30 PERCENT.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40.
SATURDAY
SUNNY. HIGHS IN THE MID 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S.
SUNDAY
SUNNY. HIGHS AROUND 80.
WYZ111-182300-
SOUTHWEST CARBON COUNTY-
INCLUDING THE CITY OF BAGGS
937 AM MDT MON MAY 18 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
...FREEZE WATCH REMAINS IN EFFECT FROM 9 PM MDT THIS EVENING
THROUGH TUESDAY MORNING...
REST OF TODAY
A SLIGHT CHANCE OF THUNDERSTORMS. SNOW AND RAIN
SHOWERS LATE THIS MORNING, THEN SNOW SHOWERS THIS AFTERNOON. SNOW
MAY BE HEAVY AT TIMES LATE THIS MORNING. ADDITIONAL SNOW
ACCUMULATION OF 1 TO 3 INCHES. TOTAL SNOW ACCUMULATION 2 TO
7 INCHES. VERY WINDY AND MUCH COOLER WITH HIGHS IN THE MID 30S.
NORTHEAST WINDS 30 TO 40 MPH. GUSTS UP TO 60 MPH, DECREASING TO
50 MPH THIS AFTERNOON. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. WIDESPREAD FROST
AFTER MIDNIGHT. BLUSTERY, COLD WITH LOWS IN THE LOWER 20S. NORTH
WINDS 20 TO 25 MPH WITH GUSTS UP TO 40 MPH, DIMINISHING TO 5 TO
10 MPH AFTER MIDNIGHT. CHANCE OF SNOW 20 PERCENT.
TUESDAY
WIDESPREAD FROST IN THE MORNING. MOSTLY SUNNY. HIGHS
IN THE UPPER 30S. NORTH WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. COLD WITH LOWS IN THE LOWER 20S.
NORTHEAST WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. NOT AS COOL WITH HIGHS IN THE LOWER 50S. WEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
30S. HIGHS IN THE UPPER 50S.
THURSDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLD WITH LOWS IN THE LOWER 30S.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE LOWER 60S.
LOWS IN THE MID 30S.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
SUNDAY
SUNNY. HIGHS IN THE MID 70S.
WYZ117-182300-
SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF WHITAKER, FEDERAL, AND HORSE CREEK
937 AM MDT MON MAY 18 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY MORNING...
REST OF TODAY
SNOW SHOWERS LATE THIS MORNING, THEN SNOW
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON.
ADDITIONAL SNOW ACCUMULATION OF 1 TO 3 INCHES. TOTAL SNOW
ACCUMULATION 4 TO 6 INCHES. MUCH COOLER. NEAR STEADY TEMPERATURE
IN THE LOWER 30S. NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS UP TO
30 MPH. CHANCE OF SNOW NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING. WIDESPREAD FROST AFTER MIDNIGHT. LITTLE OR NO ADDITIONAL
SNOW ACCUMULATION. COLD WITH LOWS IN THE LOWER 20S. NORTH WINDS
15 TO 20 MPH WITH GUSTS UP TO 30 MPH, BECOMING NORTHWEST 5 TO
10 MPH AFTER MIDNIGHT. CHANCE OF SNOW 50 PERCENT.
TUESDAY
PARTLY SUNNY. WIDESPREAD FROST IN THE MORNING. NOT AS
COOL WITH HIGHS IN THE LOWER 40S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. COLD WITH LOWS AROUND 30. SOUTH WINDS 10 TO 15 MPH.
CHANCE OF RAIN 30 PERCENT.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. NOT AS COOL WITH HIGHS IN THE MID 50S. SOUTH WINDS
10 TO 15 MPH, BECOMING WEST 5 TO 10 MPH IN THE AFTERNOON. CHANCE
OF RAIN 50 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S.
THURSDAY
PARTLY SUNNY. RAIN SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60. CHANCE OF RAIN
60 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE MID
30S. CHANCE OF RAIN 40 PERCENT.
FRIDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE OF RAIN 30 PERCENT.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
SATURDAY
SUNNY. HIGHS IN THE UPPER 60S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
SUNDAY
SUNNY. HIGHS IN THE MID 70S.
NEZ021-182300-
MORRILL COUNTY-
INCLUDING THE CITIES OF ANGORA, BRIDGEPORT, BAYARD, AND REDINGTON
937 AM MDT MON MAY 18 2026
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY MORNING...
REST OF TODAY
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS THIS
AFTERNOON. BREEZY AND MUCH COOLER. NEAR STEADY TEMPERATURE AROUND
40. NORTH WINDS 20 TO 25 MPH WITH GUSTS UP TO 35 MPH. CHANCE OF
RAIN NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. WIDESPREAD FROST
AFTER MIDNIGHT. COLD WITH LOWS IN THE UPPER 20S. NORTH WINDS
15 TO 20 MPH WITH GUSTS UP TO 35 MPH, BECOMING NORTHWEST 5 TO
10 MPH AFTER MIDNIGHT. CHANCE OF RAIN 20 PERCENT.
TUESDAY
WIDESPREAD FROST IN THE MORNING. SUNNY. NOT AS COOL
WITH HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. BREEZY
WITH HIGHS IN THE LOWER 60S. SOUTH WINDS 15 TO 25 MPH WITH GUSTS
UP TO 35 MPH. CHANCE OF RAIN 30 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN
50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 30S. CHANCE OF RAIN 50 PERCENT.
FRIDAY
PARTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS AROUND 70. CHANCE OF RAIN 40 PERCENT.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE UPPER 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SUNDAY
SUNNY, HOT WITH HIGHS IN THE MID 80S.
NEZ095-182300-
NORTHERN SIOUX COUNTY-
INCLUDING THE CITY OF HARRISON
937 AM MDT MON MAY 18 2026
...FREEZE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO
10 AM MDT TUESDAY...
REST OF TODAY
RAIN AND SNOW SHOWERS. SNOW ACCUMULATION AROUND
AN INCH. MUCH COOLER. NEAR STEADY TEMPERATURE IN THE MID 30S.
NORTH WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS
IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. WIDESPREAD
FROST AFTER MIDNIGHT. LITTLE OR NO ADDITIONAL SNOW ACCUMULATION.
COLD WITH LOWS IN THE MID 20S. NORTHWEST WINDS 10 TO 15 MPH.
CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
WIDESPREAD FROST IN THE MORNING. SUNNY. NOT AS COOL
WITH HIGHS IN THE MID 50S. WEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. COLD WITH LOWS IN THE LOWER 30S.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WARMER WITH HIGHS IN THE MID 60S. SOUTH WINDS 15 TO
20 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN 40 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE MID
30S. CHANCE OF RAIN 40 PERCENT.
FRIDAY
MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN 30 PERCENT.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE UPPER 40S.
SUNDAY
SUNNY. HIGHS IN THE MID 80S.
WYZ116-182300-
SOUTH LARAMIE RANGE-
INCLUDING THE CITIES OF BUFORD, PUMPKIN VINE, AND VEDAUWOO
937 AM MDT MON MAY 18 2026
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY MORNING...
REST OF TODAY
SNOW SHOWERS LATE THIS MORNING, THEN SNOW
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON.
ADDITIONAL SNOW ACCUMULATION OF 2 TO 4 INCHES. BRISK AND MUCH
COLDER WITH HIGHS IN THE UPPER 20S. NORTHEAST WINDS 15 TO 25 MPH
WITH GUSTS UP TO 35 MPH. CHANCE OF SNOW NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS, MAINLY IN THE
EVENING. LITTLE OR NO ADDITIONAL SNOW ACCUMULATION. TOTAL SNOW
ACCUMULATION 7 TO 10 INCHES. COLD WITH LOWS AROUND 20. NORTH
WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH, BECOMING WEST AROUND
5 MPH AFTER MIDNIGHT. CHANCE OF SNOW 50 PERCENT.
TUESDAY
PARTLY SUNNY. WIDESPREAD FROST IN THE MORNING. A
CHANCE OF SNOW SHOWERS IN THE AFTERNOON. LITTLE OR NO SNOW
ACCUMULATION. HIGHS IN THE MID 30S. SOUTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTH IN THE AFTERNOON. CHANCE OF SNOW 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. COLD WITH LOWS IN THE UPPER 20S.
SOUTH WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY SUNNY. A CHANCE OF RAIN AND SNOW SHOWERS IN
THE AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. NOT AS COOL WITH
HIGHS IN THE UPPER 40S. SOUTHWEST WINDS 5 TO 10 MPH, BECOMING
NORTHWEST IN THE AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY. COLD WITH LOWS IN THE LOWER
30S.
THURSDAY
MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 50S. CHANCE OF
RAIN 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS IN
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE LOWER
30S. CHANCE OF RAIN 40 PERCENT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER 50S.
LOWS IN THE MID 30S.
SATURDAY
SUNNY. HIGHS IN THE LOWER 60S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S.
WYZ110-182300-
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF ARLINGTON AND ELK MOUNTAIN
937 AM MDT MON MAY 18 2026
..BLIZZARD WARNING IN EFFECT UNTIL 3 PM MDT THIS AFTERNOON
...FREEZE WATCH REMAINS IN EFFECT FROM 9 PM MDT THIS EVENING
THROUGH TUESDAY MORNING...
REST OF TODAY
PATCHY BLOWING SNOW LATE THIS MORNING. A SLIGHT
CHANCE OF THUNDERSTORMS. SNOW SHOWERS. SNOW MAY BE HEAVY AT TIMES
LATE THIS MORNING. ADDITIONAL SNOW ACCUMULATION OF 4 TO 6 INCHES.
BLUSTERY AND MUCH COLDER. NEAR STEADY TEMPERATURE IN THE UPPER
20S. NORTHEAST WINDS 15 TO 25 MPH. GUSTS UP TO 45 MPH, DECREASING
TO 35 MPH THIS AFTERNOON. CHANCE OF SNOW NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY. SNOW SHOWERS LIKELY, MAINLY IN THE
EVENING. ADDITIONAL SNOW ACCUMULATION UP TO 1 INCH. TOTAL SNOW
ACCUMULATION 9 TO 16 INCHES. COLD WITH LOWS AROUND 19. NORTH
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH, BECOMING WEST AROUND
5 MPH AFTER MIDNIGHT. CHANCE OF SNOW 70 PERCENT.
TUESDAY
MOSTLY SUNNY. WIDESPREAD FROST IN THE MORNING. HIGHS
IN THE MID 30S. WEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. COLD WITH LOWS IN THE LOWER 20S.
SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. NOT AS COOL WITH HIGHS IN THE UPPER 40S. WEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. COLD WITH LOWS IN THE UPPER
20S.
THURSDAY
MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 50S. CHANCE OF
RAIN 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE
EVENING. COLD WITH LOWS IN THE LOWER 30S. CHANCE OF RAIN
40 PERCENT.
FRIDAY
MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 50S. CHANCE OF
RAIN 30 PERCENT.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE MID 60S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
SUNDAY
SUNNY. HIGHS AROUND 70.
WYZ106-182300-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
INCLUDING THE CITY OF BORDEAUX
937 AM MDT MON MAY 18 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY MORNING...
REST OF TODAY
SNOW SHOWERS. RAIN SHOWERS WITH A SLIGHT CHANCE
OF THUNDERSTORMS THIS AFTERNOON. ADDITIONAL SNOW ACCUMULATION OF
1 TO 3 INCHES. TOTAL SNOW ACCUMULATION 4 TO 7 INCHES. MUCH
COOLER. NEAR STEADY TEMPERATURE IN THE LOWER 30S. NORTHEAST WINDS
15 TO 20 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF PRECIPITATION
NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW AND RAIN SHOWERS IN
THE EVENING, THEN A SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
WIDESPREAD FROST AFTER MIDNIGHT. LITTLE OR NO ADDITIONAL SNOW
ACCUMULATION. COLD WITH LOWS IN THE MID 20S. NORTHWEST WINDS
10 TO 15 MPH WITH GUSTS UP TO 25 MPH, BECOMING WEST 5 TO 10 MPH
AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
WIDESPREAD FROST IN THE MORNING. MOSTLY SUNNY. NOT AS
COOL WITH HIGHS IN THE LOWER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. COLD WITH LOWS AROUND 30.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. NOT AS COOL WITH HIGHS IN THE UPPER
50S. WEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE MID 30S.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60. CHANCE OF RAIN
50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE
EVENING. LOWS IN THE UPPER 30S. CHANCE OF RAIN 40 PERCENT.
FRIDAY
MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE OF
RAIN 30 PERCENT.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS AROUND 70.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SUNDAY
SUNNY. HIGHS IN THE MID 70S.
NEZ020-182300-
BANNER COUNTY-
INCLUDING THE CITY OF HARRISBURG
937 AM MDT MON MAY 18 2026
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY MORNING...
REST OF TODAY
RAIN SHOWERS WITH A SLIGHT CHANCE OF SNOW
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON. SNOW
ACCUMULATION AROUND AN INCH. MUCH COOLER. NEAR STEADY TEMPERATURE
IN THE UPPER 30S. NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS UP TO
30 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS WITH A
SLIGHT CHANCE OF SNOW SHOWERS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. WIDESPREAD FROST AFTER MIDNIGHT. LITTLE OR NO
ADDITIONAL SNOW ACCUMULATION. COLD WITH LOWS IN THE UPPER 20S.
NORTH WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH, BECOMING
NORTHWEST 5 TO 10 MPH WITH GUSTS UP TO 20 MPH AFTER MIDNIGHT.
CHANCE OF PRECIPITATION 40 PERCENT.
TUESDAY
WIDESPREAD FROST IN THE MORNING. MOSTLY SUNNY. NOT AS
COOL WITH HIGHS IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. HIGHS IN THE LOWER 60S. SOUTH WINDS 15 TO 20 MPH WITH
GUSTS UP TO 30 MPH. CHANCE OF RAIN 40 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN
50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE UPPER 30S. CHANCE OF RAIN 40 PERCENT.
FRIDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN 30 PERCENT.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SUNDAY
SUNNY. HIGHS IN THE MID 80S.
WYZ114-182300-
SNOWY RANGE-
INCLUDING THE CITIES OF CENTENNIAL AND ALBANY
937 AM MDT MON MAY 18 2026
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
REST OF TODAY
AREAS OF BLOWING SNOW LATE THIS MORNING. SNOW
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS. SNOW MAY BE HEAVY
AT TIMES. ADDITIONAL SNOW ACCUMULATION OF 4 TO 6 INCHES. BLUSTERY
AND MUCH COLDER. NEAR STEADY TEMPERATURE IN THE UPPER 20S.
NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. CHANCE OF
SNOW NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY. SNOW SHOWERS LIKELY, MAINLY IN THE
EVENING. ADDITIONAL SNOW ACCUMULATION AROUND AN INCH. TOTAL SNOW
ACCUMULATION 9 TO 19 INCHES. COLDER WITH LOWS 13 TO 19. NORTH
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH, BECOMING SOUTHWEST
AROUND 5 MPH AFTER MIDNIGHT. CHANCE OF SNOW 70 PERCENT.
TUESDAY
PARTLY SUNNY. WIDESPREAD FROST IN THE MORNING. A
CHANCE OF SNOW SHOWERS IN THE AFTERNOON. LITTLE OR NO ADDITIONAL
SNOW ACCUMULATION. HIGHS IN THE MID 30S. SOUTHWEST WINDS AROUND
5 MPH, BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON. CHANCE
OF SNOW 50 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLD WITH LOWS 16 TO 22. SOUTHEAST WINDS AROUND
5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
WEDNESDAY
MOSTLY SUNNY. NOT AS COOL WITH HIGHS IN THE UPPER
40S. WEST WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. COLD WITH LOWS IN THE MID 20S.
THURSDAY
MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS, THUNDERSTORMS
AND SNOW SHOWERS IN THE AFTERNOON. HIGHS IN THE LOWER 50S. CHANCE
OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW
SHOWERS IN THE EVENING. COLD WITH LOWS IN THE UPPER 20S. CHANCE
OF PRECIPITATION 40 PERCENT.
FRIDAY
MOSTLY SUNNY. A CHANCE OF SNOW SHOWERS IN THE
AFTERNOON. HIGHS IN THE MID 50S. CHANCE OF SNOW 30 PERCENT.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
LOWER 30S. HIGHS IN THE LOWER 60S.
SUNDAY
SUNNY. HIGHS IN THE MID 60S.
WYZ104-182300-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
INCLUDING THE CITY OF SEMINOE DAM
937 AM MDT MON MAY 18 2026
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
...FREEZE WATCH REMAINS IN EFFECT FROM 9 PM MDT THIS EVENING
THROUGH TUESDAY MORNING...
REST OF TODAY
PATCHY BLOWING SNOW LATE THIS MORNING. SNOW
SHOWERS. SNOW MAY BE HEAVY AT TIMES LATE THIS MORNING. ADDITIONAL
SNOW ACCUMULATION OF 4 TO 6 INCHES. TOTAL SNOW ACCUMULATION 12 TO
20 INCHES. WINDY AND MUCH COLDER. NEAR STEADY TEMPERATURE IN THE
UPPER 20S. NORTHEAST WINDS 20 TO 30 MPH. GUSTS UP TO 55 MPH,
DECREASING TO 45 MPH THIS AFTERNOON. CHANCE OF SNOW NEAR
100 PERCENT.
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING. WIDESPREAD FROST AFTER MIDNIGHT. LITTLE OR NO ADDITIONAL
SNOW ACCUMULATION. COLD WITH LOWS AROUND 20. NORTH WINDS 10 TO
15 MPH, BECOMING WEST AROUND 5 MPH AFTER MIDNIGHT. CHANCE OF SNOW
50 PERCENT.
TUESDAY
PARTLY SUNNY IN THE MORNING, THEN CLEARING. WIDESPREAD
FROST IN THE MORNING. HIGHS IN THE MID 30S. SOUTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. COLD WITH LOWS IN THE LOWER 20S.
SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. NOT AS COOL WITH HIGHS IN THE UPPER 40S.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. NOT AS COLD WITH LOWS IN THE
LOWER 30S.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS, THUNDERSTORMS
AND SNOW SHOWERS IN THE AFTERNOON. HIGHS IN THE LOWER 50S. CHANCE
OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE UPPER 50S.
LOWS IN THE MID 30S.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID
60S. LOWS IN THE LOWER 40S.
SUNDAY
SUNNY. HIGHS AROUND 70.
WYZ105-182300-
SHIRLEY BASIN-
INCLUDING THE CITIES OF MEDICINE BOW AND SHIRLEY BASIN
937 AM MDT MON MAY 18 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
...FREEZE WATCH REMAINS IN EFFECT FROM 9 PM MDT THIS EVENING
THROUGH TUESDAY MORNING...
REST OF TODAY
PATCHY BLOWING SNOW LATE THIS MORNING. SNOW
SHOWERS. SNOW MAY BE HEAVY AT TIMES LATE THIS MORNING. ADDITIONAL
SNOW ACCUMULATION OF 1 TO 3 INCHES. TOTAL SNOW ACCUMULATION 6 TO
11 INCHES. MUCH COLDER. NEAR STEADY TEMPERATURE AROUND 30.
NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS UP TO 35 MPH. CHANCE OF
SNOW NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE
EVENING. WIDESPREAD FROST AFTER MIDNIGHT. LITTLE OR NO ADDITIONAL
SNOW ACCUMULATION. COLD WITH LOWS AROUND 18. NORTH WINDS 10 TO
15 MPH, BECOMING NORTHWEST AROUND 5 MPH AFTER MIDNIGHT. CHANCE OF
SNOW 50 PERCENT.
TUESDAY
WIDESPREAD FROST IN THE MORNING. MOSTLY SUNNY. HIGHS
IN THE MID 30S. WEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLD WITH LOWS IN THE LOWER 20S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. NOT AS COOL WITH HIGHS AROUND 50.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLD WITH LOWS IN THE UPPER 20S.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 50S. CHANCE OF
RAIN 50 PERCENT.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY. LOWS IN THE LOWER
30S. HIGHS IN THE UPPER 50S.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 30S. HIGHS IN THE MID 60S.
SUNDAY
SUNNY. HIGHS IN THE LOWER 70S.
WYZ103-182300-
NORTH LARAMIE RANGE-
INCLUDING THE CITY OF GARRETT
937 AM MDT MON MAY 18 2026
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
REST OF TODAY
SNOW SHOWERS LATE THIS MORNING, THEN SNOW
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON.
SNOW MAY BE HEAVY AT TIMES LATE THIS MORNING. ADDITIONAL SNOW
ACCUMULATION OF 3 TO 5 INCHES. MUCH COLDER. NEAR STEADY
TEMPERATURE IN THE UPPER 20S. NORTH WINDS 15 TO 20 MPH WITH GUSTS
UP TO 35 MPH. CHANCE OF SNOW NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS IN THE
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. WIDESPREAD FROST
AFTER MIDNIGHT. LITTLE OR NO ADDITIONAL SNOW ACCUMULATION. TOTAL
SNOW ACCUMULATION 9 TO 17 INCHES. COLD WITH LOWS AROUND 20. NORTH
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH, BECOMING WEST 5 TO
10 MPH AFTER MIDNIGHT. CHANCE OF SNOW 50 PERCENT.
TUESDAY
WIDESPREAD FROST IN THE MORNING. MOSTLY SUNNY. NOT AS
COOL WITH HIGHS IN THE UPPER 30S. WEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. COLD WITH LOWS IN THE MID 20S.
SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. NOT AS COOL WITH HIGHS IN THE LOWER 50S. WEST
WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. COLD WITH LOWS IN THE LOWER 30S.
THURSDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS, THUNDERSTORMS
AND SNOW SHOWERS IN THE AFTERNOON. HIGHS IN THE MID 50S. CHANCE
OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW
SHOWERS IN THE EVENING. LOWS IN THE LOWER 30S. CHANCE OF
PRECIPITATION 30 PERCENT.
FRIDAY
MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 50S. CHANCE OF
RAIN 30 PERCENT.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE MID 60S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
SUNDAY
SUNNY. HIGHS AROUND 70.
WYZ112-182300-
SIERRA MADRE RANGE-
937 AM MDT MON MAY 18 2026
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...
REST OF TODAY
RAIN SHOWERS LATE THIS MORNING. SNOW SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS. SNOW MAY BE HEAVY AT
TIMES. ADDITIONAL SNOW ACCUMULATION OF 4 TO 8 INCHES. BLUSTERY
AND MUCH COOLER WITH HIGHS IN THE LOWER 30S. NORTHEAST WINDS
20 TO 25 MPH WITH GUSTS UP TO 50 MPH. CHANCE OF PRECIPITATION
NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS, MAINLY IN THE
EVENING. WIDESPREAD FROST AFTER MIDNIGHT. ADDITIONAL SNOW
ACCUMULATION AROUND AN INCH POSSIBLE. TOTAL SNOW ACCUMULATION
4 TO 18 INCHES. COLDER WITH LOWS 16 TO 22. NORTHEAST WINDS 15 TO
20 MPH WITH GUSTS UP TO 35 MPH, BECOMING EAST AROUND 5 MPH AFTER
MIDNIGHT. CHANCE OF SNOW 50 PERCENT.
TUESDAY
MOSTLY SUNNY. WIDESPREAD FROST IN THE MORNING. A
CHANCE OF SNOW SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 30S.
NORTHWEST WINDS AROUND 5 MPH. CHANCE OF SNOW 50 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. COLD WITH LOWS IN THE LOWER 20S.
NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. NOT AS COOL WITH HIGHS IN THE UPPER 40S. WEST
WINDS 5 TO 10 MPH WITH GUSTS UP TO 25 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. COLD WITH LOWS IN THE UPPER 20S.
THURSDAY
MOSTLY SUNNY. A CHANCE OF RAIN SHOWERS, THUNDERSTORMS
AND SNOW SHOWERS IN THE AFTERNOON. HIGHS IN THE MID 50S. CHANCE
OF PRECIPITATION 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. COLD WITH LOWS IN THE LOWER 30S.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE MID 50S.
LOWS IN THE MID 30S.
SATURDAY AND SATURDAY NIGHT
PARTLY CLOUDY. HIGHS IN THE LOWER
60S. LOWS IN THE UPPER 30S.
SUNDAY
SUNNY. HIGHS IN THE UPPER 60S.
NEZ096-182300-
SOUTHERN SIOUX COUNTY-
INCLUDING THE CITY OF AGATE
937 AM MDT MON MAY 18 2026
...FREEZE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO
10 AM MDT TUESDAY...
REST OF TODAY
RAIN SHOWERS WITH A SLIGHT CHANCE OF SNOW
SHOWERS. SNOW ACCUMULATION UP TO 1 INCH. MUCH COOLER. NEAR STEADY
TEMPERATURE IN THE UPPER 30S. NORTH WINDS 15 TO 20 MPH WITH GUSTS
UP TO 35 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.
TONIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS WITH A
SLIGHT CHANCE OF SNOW SHOWERS IN THE EVENING, THEN PARTLY CLOUDY
AFTER MIDNIGHT. WIDESPREAD FROST AFTER MIDNIGHT. LITTLE OR NO
SNOW ACCUMULATION. COLD WITH LOWS IN THE UPPER 20S. NORTH WINDS
15 TO 20 MPH WITH GUSTS UP TO 30 MPH, BECOMING NORTHWEST 5 TO
10 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
TUESDAY
WIDESPREAD FROST IN THE MORNING. MOSTLY SUNNY. NOT AS
COOL WITH HIGHS IN THE MID 50S. WEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY SUNNY. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WARMER WITH HIGHS IN THE MID 60S. SOUTH WINDS 10 TO
15 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN 40 PERCENT.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
THURSDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 60S. CHANCE OF RAIN 50 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE
EVENING. LOWS IN THE UPPER 30S. CHANCE OF RAIN 50 PERCENT.
FRIDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS AROUND 70. CHANCE OF RAIN 30 PERCENT.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
SATURDAY
SUNNY. HIGHS IN THE UPPER 70S.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
SUNDAY
SUNNY, HOT WITH HIGHS IN THE MID 80S.
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