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

Greeley, Greeley-Weld County Airport (KGXY)

Lat: 40.43°NLon: 104.63°WElev: 4698ft.

Fair

80°F

27°C

Humidity 44%
Wind Speed NE 9 mph
Barometer 30.05 in (1013.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 16 Aug 6:56 pm MDT
Extended Forecast for

Cornish CO

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 56. North northwest wind 5 to 9 mph becoming southwest in the evening. Winds could gust as high as 15 mph.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Northwest wind 6 to 9 mph becoming south in the afternoon. Winds could gust as high as 16 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Northeast wind 5 to 8 mph becoming west northwest in the evening. Winds could gust as high as 15 mph.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 95. North wind 5 to 10 mph becoming south in the morning. Winds could gust as high as 20 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Southeast wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Breezy.

    High: 95 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Clear, with a low around 58. Breezy.

    Low: 58 °F

    Mostly Clear
    and Breezy
    then Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 56. North northwest wind 5 to 9 mph becoming southwest in the evening. Winds could gust as high as 15 mph.
Sunday
Sunny, with a high near 94. Northwest wind 6 to 9 mph becoming south in the afternoon. Winds could gust as high as 16 mph.
Sunday Night
Mostly clear, with a low around 56. Northeast wind 5 to 8 mph becoming west northwest in the evening. Winds could gust as high as 15 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 95. North wind 5 to 10 mph becoming south in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 56. Southeast wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 95. Breezy.
Wednesday Night
Clear, with a low around 58. Breezy.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Mostly clear, with a low around 58. Breezy.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Breezy.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Breezy.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cornish CO
 40.53°N 104.4°W (Elev. 4711 ft)
Last Update:
2:05 pm MDT Aug 16, 2025
Forecast Valid:
7pm 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