Alta, WY Weather Forecast & Current Conditions

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Alta Weather Map
UTC Time: 10/12/2026, 09:47
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Alta, WY Regional Weather

Expires:202610121000;;962075
ASUS45 KCYS 120910
RWRWY 

WYOMING REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHEYENNE WY
300 AM MDT MON OCT 12 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>099-121000-
...NORTHERN WYOMING...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
JACKSON        CLOUDY    41  38  89 CALM      29.83R                  
CODY           CLOUDY    30  29  96 N13       29.93R WCI  20          
GREYBULL       CLOUDY    35  33  92 NW12      29.89R WCI  27          
WORLAND        CLOUDY    36  33  89 N9        29.89R WCI  29          
SHERIDAN       CLOUDY    36  34  92 NW14G23   29.81R WCI  27          
BUFFALO        CLOUDY    37  35  92 NW16G30   29.76R WCI  28          
GILLETTE       CLOUDY    46  45  96 NW5       29.75R FOG              
HULETT         FOG       45  45 100 NW3       29.76R VSB 1/4          
NEWCASTLE      CLOUDY    46  45  93 S8        29.75S                  

$$

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

Alta, WY

Tonight
Rain Showers
32°0°
30%
Monday
Thunderstorms
42°/ 32° 6°/ 0°
80%
Tuesday
Thunderstorms
42°/ 28° 6°/ -2°
70%
Wednesday
Cloudy
45°/ 25° 7°/ -4°
0%
Thursday
Sunny
48°/ 25° 9°/ -4°
0%
Friday
Sunny
52°/ 30° 11°/ -1°
0%
Saturday
Sunny
52°/ 32° 11°/ 0°
0%
Sunday
Sunny
52°11°
0%

Night: Cloudy with a 30 percent chance of rain showers. Lows in the lower 30s. Southwest winds around 10 mph.

Ashton, ID

Today
Rain
47°/ 27° 8°/ -3°
N/A
Tuesday
Snow
47°/ 25° 8°/ -4°
N/A
Wednesday
Sunny
53°/ 24° 12°/ -4°
0%
Thursday
Sunny
60°/ 25° 16°/ -4°
0%
Friday
Clear
63°17°
0%
Saturday
Clear
63°/ 27° 17°/ -3°
0%

Day: Rain. Highs 47 to 54.

Night: Mostly cloudy with a chance of rain. Lows 27 to 36.

Wayan, ID

Today
Thunderstorms
45°/ 29° 7°/ -2°
N/A
Tuesday
Thunderstorms
43°/ 27° 6°/ -3°
N/A
Wednesday
Sunny
47°/ 24° 8°/ -4°
0%
Thu Night
Clear
27°-3°
0%
Friday
Clear
27°-3°
0%
Saturday
Clear
27°/ 29° -3°/ -2°
0%

Day: Rain and a slight chance of snow in the morning...then rain showers likely and a slight chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Little or no snow accumulation. Highs 45 to 54.

Night: Mostly cloudy. A chance of rain and a slight chance of snow in the evening...then a chance of rain and snow after midnight. Little or no snow accumulation. Lows 29 to 37.

Jackson, WY

Tonight
Rain Showers
35°2°
30%
Monday
Thunderstorms
50°/ 28° 10°/ -2°
90%
Tuesday
Thunderstorms
50°/ 28° 10°/ -2°
70%
Wednesday
Cloudy
52°/ 25° 11°/ -4°
0%
Thursday
Sunny
58°/ 25° 14°/ -4°
0%
Friday
Sunny
60°/ 25° 16°/ -4°
0%
Saturday
Sunny
60°/ 28° 16°/ -2°
0%
Sunday
Sunny
60°16°
0%

Night: Mostly cloudy with a 30 percent chance of rain showers. Lows in the mid 30s. Southwest winds around 10 mph.

Idaho Falls, ID

Today
Rain
44°/ 30° 7°/ -1°
50%
Tuesday
Rain
47°/ 26° 8°/ -3°
20%
Wednesday
Sunny
50°/ 27° 10°/ -3°
0%
Thursday
Clear
56°13°
0%
Friday
Clear
56°13°
0%
Saturday
Clear
56°/ 30° 13°/ -1°
0%

Day: Cloudy. A chance of rain in the morning...then a slight chance of rain in the afternoon. Highs 44 to 51. West winds up to 10 mph.

Night: Mostly cloudy. A chance of rain in the evening...then a slight chance of rain after midnight. Lows 30 to 38. Light and variable winds. Chance of precipitation 50 percent.

Island Park, ID

Today
Snow
42°/ 24° 6°/ -4°
N/A
Tuesday
Partly Cloudy
46°/ 22° 8°/ -6°
0%
Wednesday
Sunny
49°/ 24° 9°/ -4°
0%
Thursday
Clear
53°12°
0%
Friday
Clear
53°12°
0%
Saturday
Clear
53°/ 26° 12°/ -3°
0%

Day: Snow and rain in the morning...then a chance of rain and snow in the afternoon. Snow accumulation up to 2 inches. Snow level 7300 feet. Highs 42 to 52.

Night: Mostly cloudy with a slight chance of rain and snow. Lows 24 to 34.

Afton, WY

Tonight
Rain Showers
35°2°
30%
Monday
Thunderstorms
52°/ 32° 11°/ 0°
80%
Tuesday
Thunderstorms
50°/ 28° 10°/ -2°
80%
Wednesday
Snow Showers
52°/ 25° 11°/ -4°
20%
Thursday
Sunny
60°/ 25° 16°/ -4°
0%
Friday
Sunny
62°/ 28° 17°/ -2°
0%
Saturday
Sunny
62°/ 28° 17°/ -2°
0%
Sunday
Sunny
62°17°
0%

Night: Cloudy with a 30 percent chance of showers. Lows in the mid 30s.

Grace, ID

Today
Snow
43°/ 28° 6°/ -2°
N/A
Tuesday
Snow
42°/ 25° 6°/ -4°
N/A
Wednesday
Sunny
46°/ 25° 8°/ -4°
0%
Thursday
Clear
54°12°
0%
Friday
Clear
54°12°
0%
Saturday
Clear
54°/ 29° 12°/ -2°
0%

Day: Rain and a slight chance of snow in the morning...then a chance of rain in the afternoon. No snow accumulation. Highs 43 to 53.

Night: Mostly cloudy. A chance of rain in the evening...then a chance of rain and snow after midnight. No snow accumulation. Lows 28 to 38.

Pinedale, WY

Tonight
Rain Showers
38°3°
30%
Monday
Thunderstorms
50°/ 30° 10°/ -1°
80%
Tuesday
Thunderstorms
50°/ 28° 10°/ -2°
80%
Wednesday
Snow Showers
50°/ 25° 10°/ -4°
30%
Thursday
Sunny
52°/ 25° 11°/ -4°
0%
Friday
Sunny
55°/ 25° 13°/ -4°
0%
Saturday
Sunny
60°/ 28° 16°/ -2°
0%
Sunday
Sunny
60°16°
0%

Night: Cloudy with a 30 percent chance of rain showers. Lows in the upper 30s. West winds around 10 mph.

Mud Lake, ID

Today
Rain
44°/ 27° 7°/ -3°
40%
Tuesday
Snow
50°/ 24° 10°/ -4°
20%
Wednesday
Sunny
52°/ 26° 11°/ -3°
0%
Thursday
Clear
56°13°
0%
Friday
Clear
56°13°
0%
Saturday
Clear
56°/ 28° 13°/ -2°
0%

Day: Rain in the morning...then a slight chance of rain in the afternoon. Highs 44 to 51. North winds around 10 mph... shifting to southwest up to 10 mph in the afternoon.

Night: Mostly cloudy. A slight chance of rain in the evening...then a chance of rain and snow after midnight. Lows 27 to 34. West winds up to 10 mph...shifting to north after midnight. Chance of precipitation 40 percent.

Pocatello, ID

Today
Rain
47°/ 27° 8°/ -3°
50%
Tuesday
Snow
45°/ 25° 7°/ -4°
50%
Wednesday
Sunny
50°/ 25° 10°/ -4°
0%
Thursday
Clear
57°14°
0%
Friday
Clear
57°14°
0%
Saturday
Clear
57°/ 29° 14°/ -2°
0%

Day: Cloudy. A chance of rain in the morning...then a slight chance of rain in the afternoon. Highs around 47. West winds up to 10 mph.

Night: Cloudy with a chance of rain. Lows 27 to 35. West winds up to 10 mph. Chance of precipitation 50 percent.

Lake, WY

Tonight
Snow Showers
32°0°
40%
Monday
Thunderstorms
45°/ 28° 7°/ -2°
80%
Tuesday
Thunderstorms
45°/ 22° 7°/ -6°
40%
Wednesday
Cloudy
48°/ 25° 9°/ -4°
0%
Thursday
Sunny
48°/ 25° 9°/ -4°
0%
Friday
Sunny
55°/ 28° 13°/ -2°
0%
Saturday
Sunny
55°/ 28° 13°/ -2°
0%
Sunday
Sunny
55°13°
0%

Night: Cloudy with a chance of rain and snow showers. Near steady temperature in the lower 30s. West winds around 10 mph. Chance of precipitation 40 percent.

Dubois, WY

Tonight
Rain Showers
38°3°
30%
Monday
Thunderstorms
48°/ 32° 9°/ 0°
90%
Tuesday
Thunderstorms
45°/ 32° 7°/ 0°
80%
Wednesday
Snow Showers
50°/ 30° 10°/ -1°
50%
Thursday
Sunny
50°/ 28° 10°/ -2°
0%
Friday
Sunny
58°/ 32° 14°/ 0°
0%
Saturday
Sunny
62°/ 35° 17°/ 2°
0%
Sunday
Sunny
62°17°
0%

Night: Mostly cloudy with a 30 percent chance of rain showers. Lows in the upper 30s. Northwest winds around 10 mph with gusts up to 20 mph.

Absaroka Mountains, WY

Tonight
Snow Showers
28°-2°
60%
Monday
Thunderstorms
38°/ 30° 3°/ -1°
80%
Tuesday
Thunderstorms
38°/ 28° 3°/ -2°
80%
Wednesday
Snow Showers
42°/ 28° 6°/ -2°
40%
Thursday
Sunny
42°/ 28° 6°/ -2°
0%
Friday
Sunny
52°/ 32° 11°/ 0°
0%
Saturday
Sunny
52°/ 32° 11°/ 0°
0%
Sunday
Sunny
52°11°
0%

Night: Mostly cloudy with snow showers likely with a chance of rain showers. Little or no snow accumulation. Lows in the upper 20s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation 60 percent.

Inkom, ID

Today
Snow
43°/ 29° 6°/ -2°
N/A
Tuesday
Snow
41°/ 27° 5°/ -3°
N/A
Wednesday
Sunny
47°/ 26° 8°/ -3°
0%
Thu Night
Clear
29°-2°
0%
Friday
Clear
29°-2°
0%
Saturday
Clear
29°/ 32° -2°/ 0°
0%

Day: Cloudy with a chance of rain and a slight chance of snow. Little or no snow accumulation. Highs 43 to 53.

Night: Cloudy with a chance of rain and a slight chance of snow. Colder. Little or no snow accumulation. Lows 29 to 39.

St. Charles, ID

Today
Thunderstorms
50°/ 27° 10°/ -3°
N/A
Tuesday
Thunderstorms
45°/ 25° 7°/ -4°
N/A
Wednesday
Snow
48°/ 23° 9°/ -5°
N/A
Thu-Thu Night
Clear
53°12°
0%
Friday
Clear
55°13°
0%
Saturday
Clear
55°/ 27° 13°/ -3°
0%

Day: Rain likely in the morning...then rain showers likely and a slight chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs 50 to 57.

Night: Rain showers likely and a slight chance of thunderstorms in the evening...then a chance of rain and snow after midnight. No snow accumulation. Lows 27 to 37.

Cooke City, MT

Today
Snow Showers
52°/ 25° 11°/ -4°
40%
Tuesday
Snow Showers
55°/ 20° 13°/ -7°
20%
Wednesday
Sunny
55°/ 22° 13°/ -6°
0%
Thursday
Sunny
55°/ 22° 13°/ -6°
0%
Friday
Sunny
65°/ 28° 18°/ -2°
0%
Saturday
Sunny
62°/ 28° 17°/ -2°
0%
Sunday
Sunny
65°18°
0%

Day: Mostly cloudy. Slight chance of snow in the morning, then scattered rain showers in the afternoon. Highs in the lower 50s. Southwest winds 5 to 10 mph in the morning shifting to the east in the afternoon. Chance of precipitation 40 percent.

Night: Mostly cloudy. Chance of rain and snow showers early in the evening, then slight chance of rain showers late in the evening. Slight chance of snow showers in the late evening and overnight. Lows in the mid 20s. Northeast winds 5 to 10 mph. Chance of precipitation 40 percent.

Clark, WY

Tonight
Snow Showers
30°-1°
30%
Monday
Snow Showers
42°/ 32° 6°/ 0°
60%
Tuesday
Snow Showers
48°/ 35° 9°/ 2°
30%
Wednesday
Snow Showers
52°/ 35° 11°/ 2°
30%
Thursday
Sunny
52°/ 32° 11°/ 0°
0%
Friday
Sunny
62°/ 40° 17°/ 4°
0%
Saturday
Sunny
68°/ 42° 20°/ 6°
0%
Sunday
Sunny
68°20°
0%

Night: Mostly cloudy with a chance of rain and snow showers. Breezy. Near steady temperature around 30. North winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 30 percent.

Salt River and Wyoming Ranges, WY

Tonight
Rain Showers
32°0°
60%
Monday
Thunderstorms
45°/ 32° 7°/ 0°
80%
Tuesday
Thunderstorms
42°/ 28° 6°/ -2°
80%
Wednesday
Snow Showers
45°/ 28° 7°/ -2°
50%
Thursday
Sunny
48°/ 28° 9°/ -2°
0%
Friday
Sunny
52°/ 30° 11°/ -1°
0%
Saturday
Sunny
55°/ 32° 13°/ 0°
0%
Sunday
Sunny
55°13°
0%

Night: Cloudy with rain showers likely. Lows in the lower 30s. Southwest winds around 10 mph. Chance of rain 60 percent.

Emigrant, MT

Today
Mostly Cloudy
45°/ 28° 7°/ -2°
0%
Tuesday
Partly Cloudy
50°/ 25° 10°/ -4°
0%
Wednesday
Sunny
55°/ 32° 13°/ 0°
0%
Thursday
Sunny
55°/ 30° 13°/ -1°
0%
Friday
Sunny
68°/ 38° 20°/ 3°
0%
Saturday
Sunny
70°/ 38° 21°/ 3°
0%
Sunday
Sunny
70°21°
0%

Day: Mostly cloudy. Patchy fog late in the morning. Highs in the mid 40s. North winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the upper 20s. West winds 5 to 10 mph.

Names listed above may include county names.

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