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

Dangerous Heat in the West; Flash Flooding Possible Across the Southern US

Dangerous heat is expected across areas in Texas and from Washington through California. Several daily high temperature records are expected to be either tied or broken in the West. Monsoonal showers and thunderstorms may result in flash flooding and debris flows over the Southwestern U.S. through Friday. Locally heavy rain is expected from thunderstorms in the Southeast. Read More >

Current conditions at

Mondell Field (KECS)

Lat: 43.89°NLon: 104.32°WElev: 4173ft.

Fair

64°F

18°C

Humidity 60%
Wind Speed E 8 mph
Barometer 30.22 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 17 Aug 4:35 am MDT
Extended Forecast for

Newcastle WY

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 88. East wind around 6 mph becoming light and variable.

    Sunny then
    Slight Chance
    T-storms

    High: 88 °F

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 60. East wind 6 to 9 mph becoming north after midnight.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 60 °F

  • Thursday

    Thursday: Sunny, with a high near 84. North wind 7 to 16 mph, with gusts as high as 23 mph.

    Sunny

    High: 84 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 54. Northeast wind 6 to 14 mph, with gusts as high as 20 mph.

    Mostly Clear

    Low: 54 °F

  • Friday

    Friday: Sunny, with a high near 80. North wind 6 to 9 mph, with gusts as high as 17 mph.

    Sunny

    High: 80 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 51. North wind 6 to 9 mph becoming east after midnight. Winds could gust as high as 17 mph.

    Mostly Clear

    Low: 51 °F

  • Saturday

    Saturday: Sunny, with a high near 81.

    Sunny

    High: 81 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 56.

    Mostly Clear

    Low: 56 °F

  • Sunday

    Sunday: Sunny, with a high near 85.

    Sunny

    High: 85 °F

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 88. East wind around 6 mph becoming light and variable.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 60. East wind 6 to 9 mph becoming north after midnight.
Thursday
Sunny, with a high near 84. North wind 7 to 16 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 54. Northeast wind 6 to 14 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 80. North wind 6 to 9 mph, with gusts as high as 17 mph.
Friday Night
Mostly clear, with a low around 51. North wind 6 to 9 mph becoming east after midnight. Winds could gust as high as 17 mph.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Sunny, with a high near 86.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Newcastle WY
 43.86°N 104.21°W (Elev. 4380 ft)
Last Update:
3:27 am MDT Aug 17, 2022
Forecast Valid:
4am MDT Aug 17, 2022-6pm MDT Aug 23, 2022
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation