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

Severe Thunderstorms and Heavy Rain for the South-Central U.S.

Severe thunderstorms capable of very large hail, damaging wind, and a couple of tornadoes will be possible Monday afternoon into the night from portions of the central and southern High Plains into southwest Texas. A heavy rain event with flooding is expected in the southern Plains into western Arkansas through the end of the week. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Mostly Cloudy

7°C

44°F

Humidity 84%
Wind Speed SW 7 km/h
Barometer 30.16 in
Dewpoint 4°C (39°F)
Visibility 16 km
Wind Chill5°C (41°F)
Last update 16 May 8:35 pm MDT
Extended Forecast for

2 Miles N Arapahoe Peak CO

  • Tonight

    Tonight: Snow showers likely, mainly before 9pm. Some thunder is also possible. Mostly cloudy, with a low around -3. South southeast wind 11 to 13 km/h, with gusts as high as 24 km/h. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 3 centimeters possible.

    Snow Showers
    Likely

    Low: -3 °C

  • Monday

    Monday: A chance of rain and snow showers before noon, then rain showers between noon and 3pm, then rain and snow showers after 3pm. Some thunder is also possible. High near 4. Southeast wind 13 to 23 km/h, with gusts as high as 35 km/h. Chance of precipitation is 80%. New snow accumulation of less than a half centimeter possible.

    Chance
    Rain/Snow
    then
    Rain/Snow

    High: 4 °C

  • Monday
    Night

    Monday Night: Snow showers likely, mainly before midnight. Some thunder is also possible. Cloudy, with a low around -3. East wind 8 to 11 km/h becoming north northeast after midnight. Chance of precipitation is 70%. New snow accumulation of 2 to 4 centimeters possible.

    Snow Showers
    Likely then
    Chance Snow
    Showers

    Low: -3 °C

  • Tuesday

    Tuesday: Snow showers likely before noon, then rain showers between noon and 5pm, then snow showers after 5pm. Some thunder is also possible. High near 4. East wind 10 to 18 km/h, with gusts as high as 27 km/h. Chance of precipitation is 90%. New snow accumulation of 1 to 2 centimeters possible.

    Snow Showers
    Likely then
    Rain/Snow

    High: 4 °C

  • Tuesday
    Night

    Tuesday Night: A 40 percent chance of snow showers, mainly before midnight. Some thunder is also possible. Mostly cloudy, with a low around -3. East wind 10 to 16 km/h becoming west after midnight. Winds could gust as high as 26 km/h.

    Chance Snow
    Showers then
    Slight Chance
    Snow Showers

    Low: -3 °C

  • Wednesday

    Wednesday: A chance of snow showers before noon, then rain showers. Some thunder is also possible. High near 7. Chance of precipitation is 80%.

    Chance Snow
    Showers then
    Showers

    High: 7 °C

  • Wednesday
    Night

    Wednesday Night: A chance of rain showers, mixing with snow after 7pm, then gradually ending. Some thunder is also possible. Mostly cloudy, with a low around -2. Chance of precipitation is 30%.

    Chance
    Rain/Snow
    then Partly
    Cloudy

    Low: -2 °C

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 10.

    Mostly Sunny
    then Chance
    T-storms

    High: 10 °C

  • Thursday
    Night

    Thursday Night: A chance of rain showers, mixing with snow after 7pm, then gradually ending. Some thunder is also possible. Mostly cloudy, with a low around -2.

    Chance
    Rain/Snow
    then Mostly
    Cloudy

    Low: -2 °C

Detailed Forecast

Tonight
Snow showers likely, mainly before 9pm. Some thunder is also possible. Mostly cloudy, with a low around -3. South southeast wind 11 to 13 km/h, with gusts as high as 24 km/h. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 3 centimeters possible.
Monday
A chance of rain and snow showers before noon, then rain showers between noon and 3pm, then rain and snow showers after 3pm. Some thunder is also possible. High near 4. Southeast wind 13 to 23 km/h, with gusts as high as 35 km/h. Chance of precipitation is 80%. New snow accumulation of less than a half centimeter possible.
Monday Night
Snow showers likely, mainly before midnight. Some thunder is also possible. Cloudy, with a low around -3. East wind 8 to 11 km/h becoming north northeast after midnight. Chance of precipitation is 70%. New snow accumulation of 2 to 4 centimeters possible.
Tuesday
Snow showers likely before noon, then rain showers between noon and 5pm, then snow showers after 5pm. Some thunder is also possible. High near 4. East wind 10 to 18 km/h, with gusts as high as 27 km/h. Chance of precipitation is 90%. New snow accumulation of 1 to 2 centimeters possible.
Tuesday Night
A 40 percent chance of snow showers, mainly before midnight. Some thunder is also possible. Mostly cloudy, with a low around -3. East wind 10 to 16 km/h becoming west after midnight. Winds could gust as high as 26 km/h.
Wednesday
A chance of snow showers before noon, then rain showers. Some thunder is also possible. High near 7. Chance of precipitation is 80%.
Wednesday Night
A chance of rain showers, mixing with snow after 7pm, then gradually ending. Some thunder is also possible. Mostly cloudy, with a low around -2. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 10.
Thursday Night
A chance of rain showers, mixing with snow after 7pm, then gradually ending. Some thunder is also possible. Mostly cloudy, with a low around -2.
Friday
A slight chance of snow showers before noon, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 9. Breezy.
Friday Night
A slight chance of rain and snow showers. Some thunder is also possible. Partly cloudy, with a low around -3.
Saturday
A chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 8. Breezy.
Saturday Night
A chance of snow showers. Some thunder is also possible. Partly cloudy, with a low around -3.
Sunday
A chance of snow showers. Some thunder is also possible. Mostly sunny, with a high near 7. Breezy.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
2 Miles N Arapahoe Peak CO
 40.04°N 105.65°W (Elev. 3435 m)
Last Update:
7:02 pm MDT May 16, 2021
Forecast Valid:
8pm MDT May 16, 2021-6pm MDT May 23, 2021
 
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Additional Resources

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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