Shell Lake, WY Weather Forecast & Current Conditions

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Shell Lake Weather Map
UTC Time: 9/17/2026, 22:45
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Shell Lake, WY Regional Weather

Expires:202609172300;;624059
ASUS45 KCYS 172210
RWRWY 

WYOMING REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHEYENNE WY
400 PM MDT THU SEP 17 2026

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


WYZ002>013-054>058-071-098>099-172300-
...NORTHERN WYOMING...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
JACKSON        PTSUNNY   54  50  86 CALM      30.31F                  
CODY           CLOUDY    64  48  56 W23G35    30.22R                  
GREYBULL       CLOUDY    72  43  35 SE5       30.11F                  
WORLAND        CLOUDY    74  46  36 NE7       30.12F                  
SHERIDAN       CLOUDY    71  43  36 NW3       30.12F                  
BUFFALO        LGT RAIN  69  51  52 S16       30.16R                  
GILLETTE       LGT RAIN  63  59  87 S16       30.20R                  
HULETT         LGT RAIN  64  59  82 MISG      30.23S                  
NEWCASTLE      CLOUDY    66  54  63 SE9       30.22S                  

$$

SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Shell Lake, WY

Afternoon
Thunderstorms
62°/ 52° 17°/ 11°
30%
Friday
Thunderstorms
68°/ 45° 20°/
100%
Saturday
Thunderstorms
55°/ 42° 13°/
90%
Sunday
Thunderstorms
52°/ 42° 11°/
90%
Monday
Cloudy
58°/ 45° 14°/
0%
Tuesday
Cloudy
62°/ 45° 17°/
20%
Wednesday
Sunny
65°18°
0%

Day: Mostly cloudy with scattered showers with isolated thunderstorms. Near steady temperature in the lower 60s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 30 percent.

Night: Partly cloudy. Lows in the lower 50s. South winds around 10 mph with gusts up to 20 mph, becoming southeast after midnight.

Basin, WY

Afternoon
Thunderstorms
75°/ 52° 24°/ 11°
30%
Friday
Thunderstorms
80°/ 52° 27°/ 11°
90%
Saturday
Thunderstorms
65°/ 48° 18°/
90%
Sunday
Thunderstorms
65°/ 48° 18°/
70%
Monday
Cloudy
72°/ 50° 22°/ 10°
0%
Tuesday
Sunny
75°/ 50° 24°/ 10°
0%
Wednesday
Sunny
78°26°
0%

Day: Mostly cloudy with scattered showers with isolated thunderstorms. Highs in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.

Night: Partly cloudy in the evening, then clearing. Lows in the lower 50s. South winds around 10 mph. Gusts up to 25 mph in the evening.

Sheridan, WY

Tonight
Partly Cloudy
52°11°
0%
Friday
Thunderstorms
80°/ 52° 27°/ 11°
90%
Saturday
Thunderstorms
65°/ 48° 18°/
100%
Sunday
Thunderstorms
65°/ 45° 18°/
90%
Monday
Rain Showers
72°/ 45° 22°/
20%
Tuesday
Sunny
78°/ 45° 26°/
0%
Wednesday
Rain Showers
78°/ 45° 26°/
20%
Thursday
Sunny
78°26°
0%

Night: Decreasing clouds. Patchy fog overnight. Lows in the lower 50s. South winds 5 to 10 mph.

Buffalo, WY

Afternoon
Thunderstorms
75°/ 55° 24°/ 13°
60%
Friday
Thunderstorms
80°/ 55° 27°/ 13°
90%
Saturday
Thunderstorms
68°/ 50° 20°/ 10°
90%
Sunday
Thunderstorms
62°/ 50° 17°/ 10°
90%
Monday
Cloudy
72°/ 50° 22°/ 10°
0%
Tuesday
Sunny
75°/ 50° 24°/ 10°
20%
Wednesday
Sunny
78°26°
0%

Day: Cloudy with numerous showers with isolated thunderstorms. Breezy with highs in the mid 70s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 60 percent.

Night: Partly cloudy and breezy. Lows in the mid 50s. Southeast winds 15 to 20 mph with gusts up to 30 mph, becoming south around 10 mph with gusts up to 20 mph after midnight.

Burgess Jct, WY

Tonight
Cloudy
45°
0%
Friday
Thunderstorms
65°/ 42° 18°/
100%
Saturday
Thunderstorms
52°/ 38° 11°/
90%
Sunday
Thunderstorms
52°/ 35° 11°/
100%
Monday
Rain Showers
58°/ 38° 14°/
20%
Tuesday
Sunny
62°/ 38° 17°/
20%
Wednesday
Rain Showers
62°/ 38° 17°/
20%
Thursday
Sunny
65°18°
0%

Night: Partly cloudy. Patchy fog after 3 am. Lows in the mid 40s. Southwest winds 5 to 15 mph.

Ten Sleep, WY

Afternoon
Thunderstorms
75°/ 55° 24°/ 13°
30%
Friday
Thunderstorms
80°/ 52° 27°/ 11°
80%
Saturday
Thunderstorms
68°/ 48° 20°/
80%
Sunday
Thunderstorms
65°/ 45° 18°/
80%
Monday
Cloudy
72°/ 50° 22°/ 10°
0%
Tuesday
Cloudy
75°/ 50° 24°/ 10°
0%
Wednesday
Sunny
78°26°
0%

Day: Mostly cloudy with scattered showers with isolated thunderstorms. Highs in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.

Night: Partly cloudy. Lows in the mid 50s. Southeast winds around 10 mph with gusts up to 20 mph in the evening.

Pryor, MT

Tonight
Partly Cloudy
55°13°
0%
Friday
Thunderstorms
82°/ 55° 28°/ 13°
90%
Saturday
Thunderstorms
68°/ 50° 20°/ 10°
100%
Sunday
Thunderstorms
68°/ 48° 20°/
90%
Monday
Partly Cloudy
75°/ 45° 24°/
0%
Tuesday
Sunny
80°/ 48° 27°/
0%
Wednesday
Rain Showers
78°/ 48° 26°/
20%
Thursday
Sunny
82°28°
0%

Night: Decreasing clouds. Patchy fog overnight. Lows in the mid 50s. Southeast winds 5 to 10 mph.

Kaycee, WY

Afternoon
Thunderstorms
72°/ 52° 22°/ 11°
60%
Friday
Thunderstorms
78°/ 52° 26°/ 11°
90%
Saturday
Thunderstorms
70°/ 50° 21°/ 10°
80%
Sunday
Thunderstorms
65°/ 48° 18°/
90%
Monday
Cloudy
72°/ 50° 22°/ 10°
0%
Tuesday
Cloudy
78°/ 50° 26°/ 10°
20%
Wednesday
Sunny
78°26°
0%

Day: Numerous showers with isolated thunderstorms. Breezy with highs in the lower 70s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 60 percent.

Night: Partly cloudy. Lows in the lower 50s. South winds around 10 mph, becoming southwest after midnight.

Thermopolis, WY

Afternoon
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Friday
Thunderstorms
80°/ 52° 27°/ 11°
80%
Saturday
Thunderstorms
65°/ 48° 18°/
90%
Sunday
Thunderstorms
65°/ 45° 18°/
70%
Monday
Sunny
70°/ 48° 21°/
0%
Tuesday
Cloudy
75°/ 48° 24°/
0%
Wednesday
Sunny
75°24°
0%

Day: Mostly cloudy. Highs in the lower 70s. South winds 10 to 15 mph.

Night: Partly cloudy. Lows in the mid 50s. Southwest winds around 10 mph.

Lame Deer, MT

Tonight
Partly Cloudy
55°13°
0%
Friday
Thunderstorms
85°/ 58° 29°/ 14°
80%
Saturday
Thunderstorms
68°/ 52° 20°/ 11°
90%
Sunday
Thunderstorms
65°/ 48° 18°/
90%
Monday
Partly Cloudy
75°/ 48° 24°/
0%
Tuesday
Sunny
82°/ 50° 28°/ 10°
0%
Wednesday
Sunny
82°/ 48° 28°/
0%
Thursday
Sunny
82°28°
0%

Night: Decreasing clouds. Patchy fog overnight. Lows in the mid 50s. South winds 5 to 15 mph.

Broadus, MT

Tonight
Thunderstorms
55°13°
40%
Friday
Rain Showers
82°/ 58° 28°/ 14°
70%
Saturday
Thunderstorms
68°/ 52° 20°/ 11°
90%
Sunday
Thunderstorms
65°/ 52° 18°/ 11°
90%
Monday
Rain Showers
72°/ 52° 22°/ 11°
20%
Tuesday
Sunny
78°/ 52° 26°/ 11°
20%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
80°27°
0%

Night: Mostly cloudy. Chance of rain showers and isolated thunderstorms in the evening. Patchy fog overnight. Warmer. Lows in the mid 50s. Southeast winds 5 to 15 mph. Chance of precipitation 40 percent.

Hardin, MT

Tonight
Partly Cloudy
55°13°
0%
Friday
Thunderstorms
82°/ 55° 28°/ 13°
90%
Saturday
Thunderstorms
65°/ 52° 18°/ 11°
100%
Sunday
Thunderstorms
70°/ 48° 21°/
80%
Monday
Partly Cloudy
75°/ 48° 24°/
0%
Tuesday
Sunny
78°/ 45° 26°/
0%
Wednesday
Sunny
78°/ 45° 26°/
0%
Thursday
Sunny
80°27°
0%

Night: Decreasing clouds. Patchy fog after 3 am. Lows in the mid 50s. South winds 5 to 10 mph.

Bridger, MT

Tonight
Thunderstorms
55°13°
30%
Friday
Thunderstorms
78°/ 55° 26°/ 13°
90%
Saturday
Thunderstorms
62°/ 50° 17°/ 10°
90%
Sunday
Thunderstorms
68°/ 48° 20°/
70%
Monday
Sunny
72°/ 52° 22°/ 11°
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
78°/ 50° 26°/ 10°
0%
Thursday
Sunny
78°26°
0%

Night: Mostly cloudy with chance of rain showers and isolated thunderstorms early in the evening, then partly cloudy in the late evening and overnight. Warmer. Lows in the mid 50s. South winds 5 to 15 mph. Chance of precipitation 30 percent.

Clark, WY

Afternoon
Thunderstorms
68°/ 55° 20°/ 13°
60%
Friday
Thunderstorms
72°/ 52° 22°/ 11°
90%
Saturday
Thunderstorms
60°/ 48° 16°/
90%
Sunday
Thunderstorms
62°/ 45° 17°/
70%
Monday
Thunderstorms
68°/ 50° 20°/ 10°
20%
Tuesday
Thunderstorms
72°/ 50° 22°/ 10°
20%
Wednesday
Sunny
72°22°
0%

Day: Mostly cloudy with numerous showers and scattered thunderstorms. Near steady temperature in the upper 60s. South winds 10 to 15 mph. Chance of rain 60 percent.

Night: Partly cloudy in the evening, then clearing. Lows in the mid 50s. Southwest winds around 10 mph with gusts up to 20 mph.

Gillette, WY

Late Afternoon
Rain Showers
78°/ 52° 26°/ 11°
90%
Friday
Cloudy
82°/ 55° 28°/ 13°
70%
Saturday
Thunderstorms
70°/ 52° 21°/ 11°
90%
Sunday
Thunderstorms
65°/ 48° 18°/
70%
Monday
Rain Showers
72°/ 50° 22°/ 10°
20%
Tuesday
Rain Showers
78°/ 52° 26°/ 11°
20%
Wednesday
Rain Showers
78°/ 50° 26°/ 10°
20%
Thursday
Sunny
80°27°
0%

Day: Showers. Highs in the upper 70s. South winds 10 to 20 mph with gusts up to 40 mph. Chance of rain 90 percent.

Night: Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

Riverton, WY

Afternoon
Thunderstorms
70°/ 52° 21°/ 11°
30%
Friday
Thunderstorms
78°/ 50° 26°/ 10°
80%
Saturday
Thunderstorms
68°/ 45° 20°/
80%
Sunday
Thunderstorms
62°/ 45° 17°/
60%
Monday
Sunny
70°/ 48° 21°/
0%
Tuesday
Rain Showers
75°/ 50° 24°/ 10°
20%
Wednesday
Sunny
75°24°
0%

Day: Partly cloudy with scattered showers with isolated thunderstorms. Highs around 70. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 30 percent.

Night: Partly cloudy. Scattered showers and thunderstorms in the evening. Lows in the lower 50s. West winds around 10 mph. Chance of rain 30 percent.

Casper, WY

Afternoon
Thunderstorms
68°/ 50° 20°/ 10°
60%
Friday
Thunderstorms
78°/ 50° 26°/ 10°
80%
Saturday
Thunderstorms
70°/ 45° 21°/
70%
Sunday
Thunderstorms
62°/ 42° 17°/
60%
Monday
Cloudy
72°/ 45° 22°/
0%
Tuesday
Thunderstorms
75°/ 48° 24°/
30%
Wednesday
Sunny
78°26°
0%

Day: Mostly cloudy with numerous showers with isolated thunderstorms. Highs in the upper 60s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 60 percent.

Night: Partly cloudy. Scattered showers in the evening. Lows around 50. Southwest winds around 10 mph with gusts up to 20 mph after midnight. Chance of rain 30 percent.

Joliet, MT

Tonight
Thunderstorms
55°13°
30%
Friday
Thunderstorms
78°/ 55° 26°/ 13°
90%
Saturday
Thunderstorms
62°/ 48° 17°/
90%
Sunday
Thunderstorms
68°/ 45° 20°/
70%
Monday
Sunny
72°/ 48° 22°/
0%
Tuesday
Sunny
75°/ 48° 24°/
0%
Wednesday
Sunny
75°/ 48° 24°/
0%
Thursday
Sunny
75°24°
0%

Night: Mostly cloudy with chance of rain showers and isolated thunderstorms early in the evening, then partly cloudy in the late evening and overnight. Warmer. Lows in the mid 50s. Southwest winds 5 to 15 mph. Chance of precipitation 30 percent.

Red Lodge, MT

Tonight
Thunderstorms
55°13°
20%
Friday
Thunderstorms
72°/ 52° 22°/ 11°
90%
Saturday
Thunderstorms
58°/ 48° 14°/
100%
Sunday
Thunderstorms
62°/ 45° 17°/
70%
Monday
Sunny
68°/ 50° 20°/ 10°
0%
Tuesday
Sunny
72°/ 50° 22°/ 10°
0%
Wednesday
Sunny
70°/ 50° 21°/ 10°
0%
Thursday
Sunny
72°22°
0%

Night: Mostly cloudy with slight chance of rain showers and isolated thunderstorms early in the evening, then mostly clear in the late evening and overnight. Lows in the mid 50s. Southwest winds 5 to 15 mph. Chance of precipitation 20 percent.

Colstrip, MT

Tonight
Mostly Cloudy
58°14°
0%
Friday
Rain Showers
82°/ 58° 28°/ 14°
70%
Saturday
Thunderstorms
65°/ 52° 18°/ 11°
90%
Sunday
Thunderstorms
65°/ 52° 18°/ 11°
80%
Monday
Partly Cloudy
75°/ 50° 24°/ 10°
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
78°/ 50° 26°/ 10°
0%
Thursday
Sunny
80°27°
0%

Night: Mostly cloudy. Warmer. Patchy fog after 3 am. Lows in the upper 50s. Southeast winds 5 to 15 mph.

Names listed above may include county names.

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