National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Fair

80°F

27°C

Humidity 24%
Wind Speed Vrbl 7 mph
Barometer 30.05 in (1010.9 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 2 Jul 1:53 pm MDT
Extended Forecast for

31 Miles SSW Newcastle WY

  • This Afternoon

    This Afternoon: A chance of showers, with thunderstorms also possible after 3pm. Patchy smoke. Sunny and hot, with a high near 90. South southeast wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 3am. Patchy smoke before 1am. Partly cloudy, with a low around 58. Southeast wind 5 to 15 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Sunny, with a high near 88. West northwest wind 5 to 10 mph becoming southeast in the morning. Chance of precipitation is 30%.

    High: 88 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 56. Northeast wind 5 to 10 mph becoming south southeast in the evening.

    Low: 56 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Independence Day

    Independence Day: Sunny, with a high near 88. Northwest wind 5 to 10 mph becoming southeast in the afternoon.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65. Breezy.

    Low: 65 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 94. Breezy.

    High: 94 °F

    Partly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 3pm. Patchy smoke. Sunny and hot, with a high near 90. South southeast wind 10 to 15 mph. Chance of precipitation is 30%.
Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 3am. Patchy smoke before 1am. Partly cloudy, with a low around 58. Southeast wind 5 to 15 mph becoming northwest after midnight. Chance of precipitation is 20%.
Friday
A slight chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Sunny, with a high near 88. West northwest wind 5 to 10 mph becoming southeast in the morning. Chance of precipitation is 30%.
Friday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 56. Northeast wind 5 to 10 mph becoming south southeast in the evening.
Independence Day
Sunny, with a high near 88. Northwest wind 5 to 10 mph becoming southeast in the afternoon.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny and hot, with a high near 96.
Sunday Night
Partly cloudy, with a low around 65. Breezy.
Monday
A slight chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 94. Breezy.
Monday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 64. Breezy.
Tuesday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92. Breezy.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Breezy.
Wednesday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
31 Miles SSW Newcastle WY
 43.44°N 104.44°W (Elev. 4029 ft)
Last Update:
12:21 pm MDT Jul 2, 2026
Forecast Valid:
1pm MDT Jul 2, 2026-6pm MDT Jul 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation