Newcastle, Wyoming Weather
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Weather Forecast for Newcastle, Wyoming : Weston County
Issued: 6:09 pm MDT Jun 2, 2025 Latitude: 43.8547003 Longitude: -104.2049408 View on Google Maps

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Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
20% chance of rain on Tonight Partly Sunny on Tuesday 50% chance of thunderstorms on Wednesday 40% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday 10% chance of thunderstorms on Saturday Sunny on Sunday Sunny on Monday
Low: 42°F High: 61°F High: 58°F High: 63°F High: 69°F High: 76°F High: 69°F High: 71°F
Low: 45°F Low: 42°F Low: 46°F Low: 50°F Low: 50°F Low: 47°F  
Rain Partly Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Sunny Sunny
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Current Conditions at
CUSTER - (KCUT)
46°
Cloudy
as of 5:53 PM MDST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: IFR
Wind Data
5 MPH
040° Northeast
Cloud Level(s): Solid Overcast at 700ft
Current Conditions at
RAPID CITY - (KRAP)
55°
Cloudy
as of 5:52 PM MDST
Rel. Humidity: 62%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
21 MPH
0° North
Cloud Level(s): Solid Overcast at 3200ft
Current Conditions at
ELLSWORTH AFB - (KRCA)
57°
Cloudy
as of 5:55 PM MDST
Rel. Humidity: 54%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 24 MPH
010° North
Cloud Level(s): Solid Overcast at 3300ft
Current Conditions at
GILLETTE - (KGCC)
54°
Cloudy
as of 6:18 PM MDST
Rel. Humidity: 71%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: MVFR
Wind Data
13 MPH
050° Northeast
Cloud Level(s): Broken at 2400ft, Solid Overcast at 3200ft
20% chance of rain Tonight Tonight... A 20 percent chance of showers before 7pm. Mostly cloudy, with a low around 42. North wind 10 to 15 mph, with gusts as high as 25 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 61. Northwest wind 5 to 10 mph.
30% chance of rain Tuesday Night Tuesday Night... A 30 percent chance of showers after midnight. Partly cloudy, with a low around 45. Northeast wind around 5 mph becoming southeast in the evening.
50% chance of thunderstorms Wednesday Wednesday... A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 58. Southeast wind around 5 mph becoming northeast in the afternoon. Chance of precipitation is 50%.
20% chance of rain Wednesday Night Wednesday Night... A 20 percent chance of showers. Partly cloudy, with a low around 42. Northeast wind around 5 mph becoming calm in the evening.
40% chance of thunderstorms Thursday Thursday... A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 63. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%.
20% chance of thunderstorms Thursday Night Thursday Night... A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46. Southeast wind around 5 mph becoming calm after midnight.
20% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69. Calm wind becoming south around 5 mph in the morning.
10% chance of thunderstorms Friday Night Friday Night... A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50.
10% chance of thunderstorms Saturday Saturday... A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
10% chance of thunderstorms Saturday Night Saturday Night... A slight chance of showers and thunderstorms. Mostly clear, with a low around 50.
Sunny on Sunday Sunday... Sunny, with a high near 69.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 47.
Sunny on Monday Monday... Sunny, with a high near 71.
Current Radar Image


Sun Almanac for Newcastle, Wyoming
Sunrise: 05:17 AM
Sunset: 8:33 PM
Civil Sunrise:04:41 AM
Civil Sunset: 9:09 PM
Nautical Sunrise: 03:55 AM
Nautical Sunset: 9:54 PM
Astro Sunrise: 02:59 AM
Astro Sunset: 10:51 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.