Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

60°F

16°C

Humidity 36%
Wind Speed W 5 mph
Barometer 29.78 in (1001.5 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 10 Oct 7:53 am MDT
Extended Forecast for

15 Miles SE Newcastle WY

  • Today

    Today: Sunny, with a high near 82. Light west wind increasing to 8 to 13 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 54. Southwest wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 17 mph.

    Low: 54 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before noon.  Partly sunny, with a high near 65. Light and variable wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 65 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 47. East wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 47 °F

    Chance Rain

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 62. Southeast wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 42. Northwest wind 5 to 8 mph becoming light and variable  in the evening. Winds could gust as high as 18 mph.

    Low: 42 °F

    Chance Rain

  • Tuesday

    Tuesday: A chance of rain before noon, then a slight chance of showers after noon.  Mostly sunny, with a high near 56. Chance of precipitation is 30%.

    High: 56 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after midnight.  Partly cloudy, with a low around 45.

    Low: 45 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely.  Mostly cloudy, with a high near 55.

    High: 55 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 82. Light west wind increasing to 8 to 13 mph in the afternoon. Winds could gust as high as 26 mph.
Tonight
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54. Southwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Sunday
A 20 percent chance of showers before noon. Partly sunny, with a high near 65. Light and variable wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 47. East wind 7 to 10 mph, with gusts as high as 18 mph.
Columbus Day
Mostly sunny, with a high near 62. Southeast wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 42. Northwest wind 5 to 8 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Tuesday
A chance of rain before noon, then a slight chance of showers after noon. Mostly sunny, with a high near 56. Chance of precipitation is 30%.
Tuesday Night
Rain likely, mainly after midnight. Partly cloudy, with a low around 45.
Wednesday
Rain likely. Mostly cloudy, with a high near 55.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 43.
Thursday
A chance of rain. Mostly sunny, with a high near 54. Breezy.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 37.
Friday
Sunny, with a high near 55.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SE Newcastle WY
 43.69°N 104.01°W (Elev. 4764 ft)
6:21 am MDT Oct 10, 2026
8am MDT Oct 10, 2026-6pm MDT Oct 16, 2026
 
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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