Regional Weather Roundup
Issued by NWS

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660
ASUS45 KCYS 200910
RWRWY

WYOMING REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHEYENNE WY
300 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.

WYZ001-201000-
YELLOWSTONE NATIONAL PARK

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LK YELLOWSTONE   N/A     39  38  96 NW3       30.31S
W YELLOWSTONE  NOT AVBL

$$
WYZ002>013-054>058-071-098>099-201000-
NORTHERN WYOMING

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
JACKSON        CLOUDY    41  39  93 NE3       30.26S
CODY           MOCLDY    48  46  93 CALM      30.22S
GREYBULL       CLOUDY    54  48  80 NW13      30.14S
WORLAND        CLOUDY    54  47  77 NW10      30.14F
SHERIDAN       CLOUDY    53  51  93 NW12      30.12F
BUFFALO        CLOUDY    52  50  93 NW6       30.14S
GILLETTE       CLOUDY    52  50  93 W6        30.12F
NEWCASTLE      RAIN      54  52  94 E6        30.13F
THERMOPOLIS    CLOUDY    51  45  81 NW7       30.17F
POWELL         MOCLDY    46  45  93 N20G25    30.16F
LOVELL         LGT RAIN  52  52 100 NW13      30.16S

$$
WYZ014>020-022>026-101>103-201000-
CENTRAL WYOMING

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BIG PINEY      MOCLDY    40  38  93 NW8       30.26R WCI  34
PINEDALE       MOCLDY    43  41  93 CALM      30.26F
DUBOIS         MOCLDY    41  37  87 W6        30.23S
LANDER         LGT RAIN  47  46  97 E3        30.19S
RIVERTON       RAIN      48  47  96 W5        30.20S FOG
CASPER         CLOUDY    52  51  97 NW6       30.15S
DOUGLAS        CLOUDY    53  51  93 NW5       30.14S

$$
WYZ021-027>030-104>119-201000-
SOUTHERN WYOMING

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
EVANSTON       FAIR      42  35  76 SE5       30.26F
KEMMERER       FAIR      39  36  87 N8        30.27S WCI  34
ROCK SPRINGS   FAIR      43  39  86 SW6       30.25S
RAWLINS        FAIR      42  41  96 CALM      30.23S
SARATOGA       MOCLDY    45  45 100 CALM      30.24S
LARAMIE        FAIR      45  40  82 S6        30.21S
CHEYENNE       MOCLDY    54  41  61 NE7       30.16S
TORRINGTON     FAIR      57  55  93 N7        30.07S
PINE BLUFFS    FAIR      52  48  89 SW5       30.14F

$$