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

Tracking Major Hurricane Erin; Hot in the Mid-Mississippi Valley

Major Hurricane Erin is tracking just north of the lower Bahamas today. Dangerous surf and rip current threats increase this week for most of the Atlantic coastline. Erin's outerbands may impact the Outer Banks later this week. Hot to extremely hot temperatures are forecast today and Tuesday from a part of the southern Plains into the central to lower Mississippi River Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

82°F

28°C

Humidity 14%
Wind Speed W 7 G 21 mph
Barometer 30.44 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 Aug 1:35 pm MDT
Extended Forecast for

2 Miles SSE Deer Ridge CO

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. East southeast wind around 6 mph.

    High: 80 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 50. East southeast wind around 6 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Calm wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. East wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 17 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Calm wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

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

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.

    High: 86 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Showers and possibly a thunderstorm after noon. Partly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny
    then T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. East southeast wind around 6 mph.
Tonight
Mostly clear, with a low around 50. East southeast wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 80. Calm wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 49. East wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Wednesday
Sunny, with a high near 83. Calm wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49.
Friday
Showers and possibly a thunderstorm after noon. Partly sunny, with a high near 75.
Friday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 47.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 76.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Sunday
Showers and possibly a thunderstorm. Partly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Deer Ridge CO
 40.36°N 105.57°W (Elev. 7999 ft)
Last Update:
4:00 am MDT Aug 18, 2025
Forecast Valid:
1pm MDT Aug 18, 2025-6pm MDT Aug 24, 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