Johnson County, WY Weather Forecast & Current Conditions

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Johnson County Weather Map
UTC Time: 9/20/2026, 11:57
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Johnson County, WY Regional Weather

Expires:202609201200;;761951
ASUS45 KCYS 201110
RWRWY 

WYOMING REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHEYENNE WY
500 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.


WYZ002>013-054>058-071-098>099-201200-
NORTHERN WYOMING
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
JACKSON        CLOUDY    41  39  93 CALM      30.27S                  
CODY           CLOUDY    48  46  93 N7        30.22S                  
GREYBULL       CLOUDY    53  49  86 NW10      30.14R                  
WORLAND        CLOUDY    52  49  89 N12       30.15R                  
SHERIDAN       CLOUDY    54  51  90 NW12      30.12S                  
BUFFALO        LGT RAIN  51  50  96 S3        30.14R FOG              
GILLETTE       CLOUDY    52  50  93 W3        30.12S                  
NEWCASTLE      CLOUDY    54  52  94 NW8       30.11F                  
THERMOPOLIS    DRIZZLE   49  49  99 SE5       30.18S                  
POWELL         RAIN      46  45  93 NW18      30.17S                  
LOVELL         CLOUDY    52  52 100 NW9       30.16R                  

$$

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

Johnson County, WY

Tonight
Thunderstorms
50°10°
60%
Sunday
Thunderstorms
62°/ 45° 17°/
90%
Monday
Cloudy
68°/ 45° 20°/
0%
Tuesday
Sunny
78°/ 48° 26°/
0%
Wednesday
Cloudy
78°/ 48° 26°/
0%
Thursday
Sunny
80°/ 50° 27°/ 10°
0%
Friday
Sunny
82°/ 52° 28°/ 11°
0%
Saturday
Sunny
80°27°
0%

Night: Showers likely with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Near steady temperature around 50. North winds around 10 mph with gusts up to 20 mph. Chance of rain 60 percent.

Buffalo, WY

Tonight
Thunderstorms
52°11°
60%
Sunday
Thunderstorms
60°/ 48° 16°/
80%
Monday
Mostly Cloudy
68°/ 48° 20°/
0%
Tuesday
Sunny
78°/ 50° 26°/ 10°
0%
Wednesday
Cloudy
75°/ 50° 24°/ 10°
0%
Thursday
Sunny
80°/ 55° 27°/ 13°
0%
Friday
Sunny
82°/ 55° 28°/ 13°
0%
Saturday
Sunny
80°27°
0%

Night: Showers likely with a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Near steady temperature in the lower 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent.

Ten Sleep, WY

Tonight
Rain Showers
48°
80%
Sunday
Thunderstorms
62°/ 42° 17°/
60%
Monday
Sunny
70°/ 45° 21°/
0%
Tuesday
Sunny
78°/ 48° 26°/
20%
Wednesday
Cloudy
78°/ 48° 26°/
0%
Thursday
Sunny
80°/ 50° 27°/ 10°
0%
Friday
Sunny
82°/ 52° 28°/ 11°
0%
Saturday
Sunny
82°28°
0%

Night: Showers. Lows in the upper 40s. Northwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 80 percent.

Burgess Jct, WY

Today
Rain Showers
48°/ 30° / -1°
90%
Monday
Rain Showers
55°/ 32° 13°/
20%
Tuesday
Sunny
65°/ 38° 18°/
30%
Wednesday
Thunderstorms
62°/ 38° 17°/
30%
Thursday
Sunny
68°/ 42° 20°/
0%
Friday
Sunny
68°/ 42° 20°/
0%
Saturday
Sunny
65°18°
0%

Day: Patchy fog early in the morning. Rain showers. Highs in the upper 40s. Northwest winds 5 to 15 mph. Chance of precipitation 90 percent.

Night: Numerous rain showers early in the evening, then scattered rain showers late in the evening. Lows around 30. West winds 5 to 10 mph. Chance of precipitation 70 percent.

Sheridan, WY

Today
Rain Showers
58°/ 42° 14°/
90%
Monday
Cloudy
70°/ 40° 21°/
0%
Tuesday
Sunny
78°/ 45° 26°/
20%
Wednesday
Thunderstorms
78°/ 45° 26°/
20%
Thursday
Sunny
82°/ 48° 28°/
0%
Friday
Sunny
82°/ 48° 28°/
0%
Saturday
Sunny
78°26°
0%

Day: Patchy fog early in the morning. Numerous rain showers early in the morning, then rain showers in the late morning and afternoon. Highs in the upper 50s. Northwest winds 5 to 15 mph. Chance of precipitation 90 percent.

Night: Numerous rain showers early in the evening, then scattered rain showers late in the evening. Areas of dense fog in the late evening and overnight. Lows in the lower 40s. Northwest winds 5 to 10 mph in the evening becoming light overnight. Chance of precipitation 60 percent.

Casper, WY

Tonight
Thunderstorms
48°
70%
Sunday
Thunderstorms
62°/ 40° 17°/
60%
Monday
Sunny
65°/ 40° 18°/
0%
Tuesday
Sunny
75°/ 48° 24°/
20%
Wednesday
Cloudy
75°/ 45° 24°/
0%
Thursday
Sunny
78°/ 50° 26°/ 10°
0%
Friday
Sunny
80°/ 50° 27°/ 10°
0%
Saturday
Sunny
78°26°
0%

Night: Showers likely with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 40s. Northwest winds around 10 mph with gusts up to 25 mph. Chance of rain 70 percent.

Basin, WY

Tonight
Rain Showers
48°
60%
Sunday
Thunderstorms
65°/ 42° 18°/
60%
Monday
Sunny
70°/ 45° 21°/
0%
Tuesday
Sunny
78°/ 50° 26°/ 10°
30%
Wednesday
Cloudy
78°/ 50° 26°/ 10°
0%
Thursday
Sunny
80°/ 50° 27°/ 10°
0%
Friday
Sunny
82°/ 50° 28°/ 10°
0%
Saturday
Sunny
80°27°
0%

Night: Cloudy with showers likely. Breezy. Near steady temperature in the upper 40s. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 60 percent.

Gillette, WY

This Morning
Thunderstorms
52°/ 45° 11°/
70%
Today
Thunderstorms
62°17°
90%
Monday
Rain Showers
68°/ 48° 20°/
20%
Tuesday
Sunny
75°/ 52° 24°/ 11°
20%
Wednesday
Cloudy
78°/ 50° 26°/ 10°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Friday
Sunny
82°/ 55° 28°/ 13°
0%
Saturday
Sunny
80°27°
0%

Day: Showers likely and a slight chance of thunderstorms. Patchy fog. Near steady temperature in the lower 50s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Night: Cloudy. Showers likely in the evening. Lows in the mid 40s. Northeast winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 60 percent.

Wright, WY

This Morning
Thunderstorms
52°/ 45° 11°/
70%
Today
Thunderstorms
60°16°
90%
Monday
Rain Showers
65°/ 45° 18°/
20%
Tuesday
Cloudy
72°/ 48° 22°/
0%
Wednesday
Cloudy
75°/ 48° 24°/
0%
Thursday
Sunny
78°/ 52° 26°/ 11°
0%
Friday
Sunny
80°/ 52° 27°/ 11°
0%
Saturday
Sunny
78°26°
0%

Day: Showers likely and a slight chance of thunderstorms. Patchy fog. Near steady temperature in the lower 50s. Northwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Night: Cloudy. Showers likely with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 40s. Northwest winds 5 to 10 mph. Gusts up to 25 mph in the evening. Chance of rain 60 percent.

Pryor, MT

Today
Rain Showers
62°/ 45° 17°/
100%
Monday
Partly Cloudy
72°/ 45° 22°/
0%
Tuesday
Sunny
80°/ 48° 27°/
20%
Wednesday
Rain Showers
80°/ 48° 27°/
20%
Thursday
Sunny
85°/ 52° 29°/ 11°
0%
Friday
Sunny
85°/ 52° 29°/ 11°
0%
Saturday
Sunny
78°26°
0%

Day: Patchy fog early in the morning. Rain showers in the morning and early afternoon, then numerous rain showers late in the afternoon. Highs in the lower 60s. Northwest winds 5 to 15 mph. Chance of precipitation 100 percent.

Night: Cloudy. Scattered rain showers early in the evening, then isolated rain showers late in the evening. Areas of dense fog in the late evening and overnight. Lows in the mid 40s. Northwest winds 5 to 10 mph in the evening becoming light overnight. Chance of precipitation 50 percent.

Riverton, WY

Tonight
Thunderstorms
48°
70%
Sunday
Thunderstorms
62°/ 42° 17°/
30%
Monday
Sunny
68°/ 45° 20°/
0%
Tuesday
Cloudy
75°/ 50° 24°/ 10°
20%
Wednesday
Cloudy
75°/ 48° 24°/
0%
Thursday
Sunny
78°/ 50° 26°/ 10°
0%
Friday
Sunny
78°/ 50° 26°/ 10°
0%
Saturday
Sunny
78°26°
0%

Night: Showers likely with a slight chance of thunderstorms. Areas of fog. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 40s. Northwest winds around 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Thermopolis, WY

Tonight
Rain Showers
48°
80%
Sunday
Rain Showers
62°/ 42° 17°/
60%
Monday
Sunny
70°/ 45° 21°/
0%
Tuesday
Sunny
75°/ 50° 24°/ 10°
20%
Wednesday
Cloudy
75°/ 50° 24°/ 10°
0%
Thursday
Sunny
80°/ 50° 27°/ 10°
0%
Friday
Sunny
80°/ 52° 27°/ 11°
0%
Saturday
Sunny
80°27°
0%

Night: Showers. Patchy fog. Lows in the upper 40s. Northwest winds 10 to 15 mph. Chance of rain 80 percent.

Broadus, MT

Today
Thunderstorms
62°/ 48° 17°/
90%
Monday
Mostly Cloudy
68°/ 48° 20°/
0%
Tuesday
Sunny
75°/ 52° 24°/ 11°
20%
Wednesday
Rain Showers
78°/ 52° 26°/ 11°
20%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Friday
Sunny
85°/ 55° 29°/ 13°
0%
Saturday
Sunny
78°26°
0%

Day: Patchy fog early in the morning. Rain showers and isolated thunderstorms. Highs in the lower 60s. East winds 5 to 15 mph. Chance of precipitation 90 percent.

Night: Cloudy. Scattered rain showers in the evening, then isolated rain showers overnight. Patchy fog in the late evening and overnight. Lows in the upper 40s. East winds 5 to 10 mph. Chance of precipitation 50 percent.

Moorcroft, WY

This Morning
Thunderstorms
55°/ 42° 13°/
90%
Today
Thunderstorms
62°17°
90%
Monday
Rain Showers
68°/ 42° 20°/
50%
Tuesday
Cloudy
75°/ 48° 24°/
20%
Wednesday
Rain Showers
78°/ 48° 26°/
20%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Sunny
82°/ 52° 28°/ 11°
0%
Saturday
Sunny
82°28°
0%

Day: Showers and a slight chance of thunderstorms. Patchy fog. Near steady temperature in the mid 50s. East winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 90 percent.

Night: Cloudy. Showers likely in the evening, then a slight chance of showers after midnight. Lows in the lower 40s. Northeast winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 70 percent.

Bill, WY

Tonight
Thunderstorms
52°11°
70%
Sunday
Thunderstorms
62°/ 42° 17°/
70%
Monday
Sunny
65°/ 42° 18°/
0%
Tuesday
Sunny
75°/ 48° 24°/
0%
Wed Night
Cloudy
48°
0%
Thursday
Clear
78°26°
0%
Friday
Clear
78°26°
0%
Saturday
Clear
78°26°
0%

Night: Showers likely with a chance of thunderstorms. Near steady temperature in the lower 50s. North winds 5 to 10 mph. Chance of rain 70 percent.

Lame Deer, MT

Today
Thunderstorms
62°/ 48° 17°/
90%
Monday
Partly Cloudy
72°/ 48° 22°/
0%
Tuesday
Sunny
80°/ 50° 27°/ 10°
20%
Wednesday
Rain Showers
82°/ 48° 28°/
20%
Thursday
Sunny
85°/ 52° 29°/ 11°
0%
Friday
Sunny
88°/ 52° 31°/ 11°
0%
Saturday
Sunny
80°27°
0%

Day: Patchy fog early in the morning. Rain showers in the morning, then rain showers and isolated thunderstorms in the afternoon. Highs in the lower 60s. Northwest winds 5 to 10 mph. Chance of precipitation 90 percent.

Night: Cloudy. Scattered rain showers in the evening. Areas of dense fog in the late evening and overnight. Lows in the upper 40s. Northeast winds 5 to 10 mph in the evening becoming light overnight. Chance of precipitation 50 percent.

Jeffrey City, WY

Tonight
Thunderstorms
45°
70%
Sunday
Thunderstorms
60°/ 38° 16°/
50%
Monday
Sunny
65°/ 40° 18°/
0%
Tuesday
Sunny
70°/ 45° 21°/
30%
Wednesday
Cloudy
68°/ 42° 20°/
0%
Thursday
Sunny
72°/ 45° 22°/
0%
Friday
Sunny
72°/ 48° 22°/
0%
Saturday
Cloudy
72°22°
0%

Night: Showers likely with a slight chance of thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall. Near steady temperature in the mid 40s. Northwest winds around 10 mph with gusts up to 25 mph. Chance of rain 70 percent.

Rochelle, WY

This Morning
Thunderstorms
52°/ 45° 11°/
90%
Today
Thunderstorms
62°17°
90%
Monday
Rain Showers
65°/ 45° 18°/
20%
Tuesday
Cloudy
72°/ 48° 22°/
0%
Wednesday
Cloudy
78°/ 48° 26°/
0%
Thursday
Sunny
80°/ 52° 27°/ 11°
0%
Friday
Sunny
82°/ 52° 28°/ 11°
0%
Saturday
Sunny
80°27°
0%

Day: Showers and a slight chance of thunderstorms. Patchy fog. Near steady temperature in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain 90 percent.

Night: Cloudy. Showers likely with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the mid 40s. Northwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 60 percent.

Hardin, MT

Today
Rain Showers
62°/ 45° 17°/
100%
Monday
Partly Cloudy
72°/ 45° 22°/
0%
Tuesday
Sunny
78°/ 48° 26°/
20%
Wednesday
Rain Showers
80°/ 48° 27°/
20%
Thursday
Sunny
82°/ 50° 28°/ 10°
0%
Friday
Sunny
85°/ 50° 29°/ 10°
0%
Saturday
Sunny
78°26°
0%

Day: Patchy fog early in the morning. Rain showers in the morning and early afternoon, then numerous rain showers late in the afternoon. Highs in the lower 60s. Northwest winds 5 to 15 mph. Chance of precipitation 100 percent.

Night: Mostly cloudy. Scattered rain showers early in the evening, then isolated rain showers late in the evening. Patchy fog late in the evening. Areas of dense fog overnight. Lows in the mid 40s. Northeast winds 5 to 10 mph in the evening becoming light overnight. Chance of precipitation 30 percent.

Newcastle, WY

This Morning
Thunderstorms
55°/ 48° 13°/
90%
Today
Thunderstorms
62°17°
90%
Monday
Rain Showers
65°/ 45° 18°/
50%
Tuesday
Cloudy
70°/ 52° 21°/ 11°
0%
Wednesday
Cloudy
78°/ 50° 26°/ 10°
0%
Thursday
Sunny
80°/ 52° 27°/ 11°
0%
Friday
Sunny
80°/ 52° 27°/ 11°
0%
Saturday
Sunny
82°28°
0%

Day: Showers and a slight chance of thunderstorms. Patchy fog. Near steady temperature in the mid 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent.

Night: Cloudy. Showers likely with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 40s. Northwest winds around 5 mph, becoming southwest after midnight. Chance of rain 70 percent.

Names listed above may include county names.

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