Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Wednesday

In the Upper Midwest, heavy to excessive rain may bring flash and urban flooding through Wednesday. Scattered severe thunderstorms capable of large hail and damaging wind gusts are possible from the central High Plains into the Upper Midwest Wednesday. Extreme heat is ongoing over the Desert Southwest through Thursday. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

55°F

13°C

Humidity 80%
Wind Speed NW 7 mph
Barometer 30.17 in (1014.6 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 8 Jul 3:53 am MDT
Extended Forecast for

19 Miles SSE Newcastle WY

  • Today

    Today: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 83. Light and variable wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 60. East wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 18 mph.

    Low: 60 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after noon.  Increasing clouds, with a high near 83. Northeast wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 59. Southeast wind 5 to 9 mph becoming light and variable  after midnight. Winds could gust as high as 18 mph.

    Low: 59 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 87. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. East wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 83. Light and variable wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Tonight
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60. East wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 83. Northeast wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. Southeast wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 87. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
Mostly clear, with a low around 64. East wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 98.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny, with a high near 98. Breezy.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles SSE Newcastle WY
 43.61°N 104.01°W (Elev. 4386 ft)
4:08 am MDT Jul 8, 2026
4am MDT Jul 8, 2026-6pm MDT Jul 14, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database