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

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Hazardous Weather Conditions

Current conditions at

070W10895RWS1RP1 at Canyon Creek Rd (CO099)

Lat: 39.5739°NLon: 107.45295°WElev: 5679.0ft.

NA

53°F

12°C

Humidity 39%
Wind Speed NE 4 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility 1.24 mi
Last update 11 Apr 01:10 AM MDT
Extended Forecast for

New Castle CO

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. South southeast wind 5 to 10 mph becoming east.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers between 10am and noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 68. East wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. West northwest wind 5 to 15 mph becoming east southeast in the evening.

    Low: 36 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68. Breezy, with an east southeast wind 5 to 10 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 68 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. Breezy, with a south southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 38 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63. Breezy.

    High: 63 °F

    Mostly Sunny
    then Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: A chance of rain showers before midnight, then rain likely, possibly mixed with snow showers. Some thunder is also possible. Mostly cloudy, with a low around 34. Chance of precipitation is 70%.

    Low: 34 °F

    Chance
    Showers then
    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain likely, possibly mixed with snow showers. Some thunder is also possible. Mostly cloudy, with a high near 55.

    High: 55 °F

    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before midnight. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. South southeast wind 5 to 10 mph becoming east.
Saturday
A slight chance of showers between 10am and noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 68. East wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. West northwest wind 5 to 15 mph becoming east southeast in the evening.
Sunday
Sunny, with a high near 68. Breezy, with an east southeast wind 5 to 10 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 38. Breezy, with a south southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Monday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63. Breezy.
Monday Night
A chance of rain showers before midnight, then rain likely, possibly mixed with snow showers. Some thunder is also possible. Mostly cloudy, with a low around 34. Chance of precipitation is 70%.
Tuesday
Rain likely, possibly mixed with snow showers. Some thunder is also possible. Mostly cloudy, with a high near 55.
Tuesday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 29.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Castle CO
 39.57°N 107.53°W (Elev. 6398 ft)
Last Update:
12:41 am MDT Apr 11, 2026
Forecast Valid:
1am MDT Apr 11, 2026-6pm MDT Apr 17, 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