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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Fair and Breezy

77°F

25°C

Humidity 14%
Wind Speed W 24 G 40 mph
Barometer 30.07 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 17 Jun 11:55 am MDT
Extended Forecast for

6 Miles SSW Cameron Pass CO

Red Flag Warning until June 17, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until June 17, 08:00pm

    NOW until 8:00pm Wed

    Red Flag Warning

  • This Afternoon

    High: 67 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Clear, with a low around 37. Windy, with a west wind 16 to 26 mph decreasing to 6 to 16 mph after midnight. Winds could gust as high as 40 mph.

    Low: 37 °F

    Mostly Clear
    and Windy
    then Clear

  • Thursday

    Thursday: Sunny, with a high near 66. Breezy, with a west wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 66 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. West northwest wind 9 to 14 mph becoming light northwest. Winds could gust as high as 22 mph.

    Low: 34 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 71. West northwest wind 5 to 13 mph, with gusts as high as 23 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69. Breezy.

    High: 69 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. Breezy.

    Low: 33 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 67. Windy, with a west wind 26 to 28 mph, with gusts as high as 41 mph.
Tonight
Clear, with a low around 37. Windy, with a west wind 16 to 26 mph decreasing to 6 to 16 mph after midnight. Winds could gust as high as 40 mph.
Thursday
Sunny, with a high near 66. Breezy, with a west wind 9 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 34. West northwest wind 9 to 14 mph becoming light northwest. Winds could gust as high as 22 mph.
Juneteenth
Mostly sunny, with a high near 71. West northwest wind 5 to 13 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 37.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69. Breezy.
Saturday Night
Mostly clear, with a low around 33. Breezy.
Sunday
Sunny, with a high near 63. Breezy.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 32.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Cameron Pass CO
 40.45°N 105.93°W (Elev. 11253 ft)
Last Update:
12:46 am MDT Jun 17, 2026
Forecast Valid:
12pm MDT Jun 17, 2026-6pm MDT Jun 23, 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