Regional Weather Roundup
Issued by NWS

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343
ASUS45 KCYS 201410
RWRWY

WYOMING REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHEYENNE WY
800 AM MDT SUN SEP 20 2026

NOTE:  "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET
WITH NO SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

WYZ001-201500-
...YELLOWSTONE NATIONAL PARK...

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LK YELLOWSTONE   N/A     37  37 100 CALM      30.34R
W YELLOWSTONE  NOT AVBL

$$
WYZ002>013-054>058-071-098>099-201500-
...NORTHERN WYOMING...

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
JACKSON        FOG       40  40 100 S6        30.29R VSB 1/4
CODY           CLOUDY    48  46  93 CALM      30.24R
GREYBULL       LGT RAIN  53  51  93 NW6       30.17R
WORLAND        LGT RAIN  52  50  93 W7        30.18R FOG
SHERIDAN       CLOUDY    54  51  90 NW16G22   30.14R
BUFFALO        CLOUDY    51  49  92 N5        30.16R
GILLETTE       CLOUDY    52  50  93 NW5       30.15R
HULETT         NOT AVBL
NEWCASTLE      CLOUDY    52  52 100 CALM      30.16R

$$
WYZ014>020-022>026-101>103-201500-
...CENTRAL WYOMING...

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BIG PINEY      CLOUDY    42  38  85 VRB5      30.30R
PINEDALE       PTCLDY    36  34  93 NW5       30.31R FOG     WCI  32
DUBOIS         MOCLDY    45  36  70 NW7       30.26R
LANDER         CLOUDY    47  45  93 NW5       30.22R
RIVERTON       PTSUNNY   46  45  96 S6        30.22S
CASPER         CLOUDY    50  46  86 W8        30.19R
DOUGLAS        MOSUNNY   51  49  92 NW5       30.17R

$$
WYZ021-027>030-104>119-201500-
...SOUTHERN WYOMING...

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
EVANSTON       CLEAR     38  33  82 SE5       30.30R WCI  34
KEMMERER       CLEAR     37  36  93 NW5       30.31R WCI  34
FORT BRIDGER   NOT AVBL
ROCK SPRINGS   FOG       37  36  96 CALM      30.29R VSB<1/4
DIXON          NOT AVBL
RAWLINS        CLOUDY    44  42  93 SW9       30.26R
SARATOGA       MOSUNNY   43  43 100 SE5       30.29R
LARAMIE        MOSUNNY   44  42  93 N7        30.25R
CHEYENNE       RAIN      50  47  89 N6        30.20R
TORRINGTON     PTSUNNY   55  53  93 NW8       30.14R
PINE BLUFFS    PTSUNNY   53  52  95 NW5       30.17F

$$