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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Copper Mountain - Red Cliff Pass (KCCU)

Lat: 39.48°NLon: 106.15°WElev: 12028ft.

Mostly Cloudy

59°F

15°C

Humidity 55%
Wind Speed NW 16 G 25 mph
Barometer 30.63 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 16 Aug 5:15 pm MDT
Extended Forecast for

Grant CO

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely. Mostly cloudy, with a steady temperature around 65. North northeast wind around 6 mph. Chance of precipitation is 60%.

    High: 65 °F

    T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 48. Light and variable wind becoming west northwest 5 to 8 mph in the evening. Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. West northwest wind 6 to 8 mph becoming east southeast in the afternoon.

    High: 72 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 50. West northwest wind 5 to 7 mph becoming northeast in the evening. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. West northwest wind around 7 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 73 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 75.

    High: 75 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Mostly cloudy, with a steady temperature around 65. North northeast wind around 6 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 48. Light and variable wind becoming west northwest 5 to 8 mph in the evening. Chance of precipitation is 30%.
Sunday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. West northwest wind 6 to 8 mph becoming east southeast in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 50. West northwest wind 5 to 7 mph becoming northeast in the evening. Chance of precipitation is 20%.
Monday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. West northwest wind around 7 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Mostly clear, with a low around 51.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Friday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 74.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Saturday
Showers and possibly a thunderstorm. Partly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grant CO
 39.47°N 105.65°W (Elev. 9649 ft)
Last Update:
2:05 pm MDT Aug 16, 2025
Forecast Valid:
5pm MDT Aug 16, 2025-6pm MDT Aug 23, 2025
 
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