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

49°F

9°C

Humidity 77%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility 1.24 mi
Last update 11 Apr 08:12 PM MDT
Extended Forecast for

New Castle CO

  • Tonight

    Tonight: Partly cloudy, with a low around 37. East wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 67. Breezy, with an east wind 5 to 10 mph becoming west southwest 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 67 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. Breezy, with a 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 Mostly
    Cloudy

  • Monday

    Monday: A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm.  Mostly sunny, with a high near 60. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.

    High: 60 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Rain showers before 3am, then rain, possibly mixed with snow showers. Some thunder is also possible.  Low around 34. South wind 5 to 15 mph.  Chance of precipitation is 80%.

    Low: 34 °F

    Showers
    Likely then
    Rain/Snow

  • Tuesday

    Tuesday: Rain, possibly mixed with snow showers. Some thunder is also possible.  High near 53. Chance of precipitation is 80%.

    High: 53 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight.  Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. East wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 67. Breezy, with an east wind 5 to 10 mph becoming west southwest 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Sunday Night
Mostly cloudy, with a low around 38. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Monday
A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly sunny, with a high near 60. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night
Rain showers before 3am, then rain, possibly mixed with snow showers. Some thunder is also possible. Low around 34. South wind 5 to 15 mph. Chance of precipitation is 80%.
Tuesday
Rain, possibly mixed with snow showers. Some thunder is also possible. High near 53. Chance of precipitation is 80%.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 29.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 32.
Thursday
Sunny, with a high near 64. Breezy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30.
Friday
A chance of snow showers. Partly sunny, with a high near 54.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle CO
 39.57°N 107.53°W (Elev. 6398 ft)
7:27 pm MDT Apr 11, 2026
8pm MDT Apr 11, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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