River Flooding Continues in East Florida; Rain and Thunderstorms from the Mid-Atlantic to the Northeast Thursday; Heavy Rain in Puerto Rico

Significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Periods of rainfall and thunderstorms are expected across the Lower Great Lakes, Central Appalachians, Mid-Atlantic and Northeast Thursday and Friday. In Puerto Rico, increased moisture in the Atlantic will produce heavy rainfall for the island. Read More >

Current conditions at

Mondell Field (KECS)

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

Fair

32°F

0°C

Humidity 75%
Wind Speed NE 5 mph
Barometer 30.10 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 5 Nov 5:55 am MST
Extended Forecast for

Newcastle WY

  • Today

    Today: Mostly sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. East wind around 5 mph becoming calm  after midnight.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 55. Calm wind becoming northwest 5 to 7 mph. Winds could gust as high as 15 mph.

    High: 55 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57. Calm wind becoming northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 55. Light and variable wind.
Tonight
Partly cloudy, with a low around 35. East wind around 5 mph becoming calm after midnight.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 55. Calm wind becoming northwest 5 to 7 mph. Winds could gust as high as 15 mph.
Friday Night
Mostly clear, with a low around 32. Calm wind.
Saturday
Sunny, with a high near 57. Calm wind becoming northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 35. Calm wind.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Mostly clear, with a low around 37.
Veterans Day
Sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WY
 43.86°N 104.21°W (Elev. 4380 ft)
5:16 am MST Nov 5, 2026
6am MST Nov 5, 2026-6pm MST Nov 11, 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