NWS Forecast for: Longmont CO
Issued by: National Weather Service Denver-Boulder, CO
Last Update: 12:09 am MDT Apr 18, 2024		Print

  • Overnight

    Overnight: A chance of rain showers before 4am, then a chance of rain and snow showers. Cloudy, with a low around 34. North northeast wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Chance
    Rain/Snow


    Low: 34 °F

  • Thursday

    Thursday: A chance of snow showers before 10am, then a slight chance of rain and snow showers between 10am and 1pm, then a slight chance of rain showers after 1pm. Cloudy, with a high near 44. North northeast wind 7 to 10 mph becoming east in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Chance
    Rain/Snow


    High: 44 °F

  • Thursday
    Night

    Thursday Night: A slight chance of rain showers before 4am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 33. East southeast wind 5 to 8 mph becoming north after midnight. Chance of precipitation is 20%.

    Slight Chance
    Showers then
    Slight Chance
    Rain/Snow

    Low: 33 °F

  • Friday

    Friday: A slight chance of rain and snow showers before 7am, then rain showers likely. Some thunder is also possible. Mostly cloudy, with a high near 55. North northeast wind 6 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Slight Chance
    Rain/Snow
    then Showers
    Likely

    High: 55 °F

  • Friday
    Night

    Friday Night: Rain showers before 2am, then rain and snow showers likely. Some thunder is also possible. Low around 33. North northeast wind 5 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

    Showers then
    Rain/Snow
    Likely

    Low: 33 °F

  • Saturday

    Saturday: Rain and snow showers likely, becoming all rain after 10am. Some thunder is also possible. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.

    Rain/Snow
    Likely then
    Showers
    Likely

    High: 49 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 33.

    Mostly Cloudy



    Low: 33 °F

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 71 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 42.

    Mostly Cloudy



    Low: 42 °F



    • Overnight: A chance of rain showers before 4am, then a chance of rain and snow showers. Cloudy, with a low around 34. North northeast wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Thursday: A chance of snow showers before 10am, then a slight chance of rain and snow showers between 10am and 1pm, then a slight chance of rain showers after 1pm. Cloudy, with a high near 44. North northeast wind 7 to 10 mph becoming east in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Thursday Night: A slight chance of rain showers before 4am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 33. East southeast wind 5 to 8 mph becoming north after midnight. Chance of precipitation is 20%.

    Friday: A slight chance of rain and snow showers before 7am, then rain showers likely. Some thunder is also possible. Mostly cloudy, with a high near 55. North northeast wind 6 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Friday Night: Rain showers before 2am, then rain and snow showers likely. Some thunder is also possible. Low around 33. North northeast wind 5 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

    Saturday: Rain and snow showers likely, becoming all rain after 10am. Some thunder is also possible. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.

    Saturday Night: Mostly cloudy, with a low around 33.

    Sunday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71.

    Sunday Night: Mostly cloudy, with a low around 42.

    Monday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.

    Monday Night: Mostly cloudy, with a low around 40.

    Tuesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 71.

    Tuesday Night: Partly cloudy, with a low around 44.

    Wednesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.


    Longmont CO
     40.16°N 105.12°W (Elev. 5000 ft)

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