Early Season Heat; Late Season Snow

An early season heat wave will consume a good portion of the Eastern U.S. today through the weekend, including the Northeast, Mid-Atlantic and Ohio Valley. Numerous record high temperatures are likely and heat advisories are in effect for Boston, New York City and Philadelphia. A late season snow will impact the central Rockies and several inches of snow are possible in the Denver metro area. Read More >

Current conditions at

Vance Brand Airport (KLMO)

Lat: 40.16°NLon: 105.16°WElev: 5039ft.

Light Rain

40°F

4°C

Humidity 88%
Wind Speed E 5 mph
Barometer 29.81 in
Dewpoint 36°F (2°C)
Visibility 5.00 mi
Wind Chill36°F (2°C)
Last update 20 May 8:15 am MDT
Extended Forecast for

Longmont CO

Winter Storm Warning May 20, 04:00pm until May 21, 12:00pm
Freeze Warning May 20, 09:00pm until May 21, 10:00am
Click here for hazard details and duration
Winter Storm Warning
Freeze Warning
  • Today

    Today: Showers.  High near 42. East wind 8 to 10 mph, with gusts as high as 16 mph.  Chance of precipitation is 100%.

    Showers

    High: 42 °F

  • Tonight

    Tonight: Rain and snow showers, becoming all snow after 11pm.  Low around 30. North wind 6 to 10 mph, with gusts as high as 16 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Rain/Snow
    then Snow
    Showers

    Low: 30 °F

  • Saturday

    Saturday: Snow showers likely before 10am, then rain and snow showers likely between 10am and 4pm, then rain showers likely after 4pm. Some thunder is also possible.  Cloudy, with a high near 45. North northwest wind around 6 mph becoming south in the afternoon.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Rain/Snow
    Likely

    High: 45 °F

  • Saturday
    Night

    Saturday Night: A slight chance of rain showers, mixing with snow after 11pm, then gradually ending. Some thunder is also possible.  Partly cloudy, with a low around 28. Southwest wind 3 to 7 mph.  Chance of precipitation is 20%.

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

    Low: 28 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 54. Calm wind becoming east southeast 5 to 7 mph in the morning.

    Partly Sunny
    then Chance
    Showers

    High: 54 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers.  Mostly cloudy, with a low around 39. Chance of precipitation is 30%.

    Chance
    Showers then
    Slight Chance
    T-storms

    Low: 39 °F

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 63. Chance of precipitation is 40%.

    Chance
    Showers then
    Chance
    T-storms

    High: 63 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 41.

    Chance
    Showers

    Low: 41 °F

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 62.

    Chance
    Showers then
    Chance
    T-storms

    High: 62 °F

Detailed Forecast

Today
Showers. High near 42. East wind 8 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 100%.
Tonight
Rain and snow showers, becoming all snow after 11pm. Low around 30. North wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow showers likely before 10am, then rain and snow showers likely between 10am and 4pm, then rain showers likely after 4pm. Some thunder is also possible. Cloudy, with a high near 45. North northwest wind around 6 mph becoming south in the afternoon. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
A slight chance of rain showers, mixing with snow after 11pm, then gradually ending. Some thunder is also possible. Partly cloudy, with a low around 28. Southwest wind 3 to 7 mph. Chance of precipitation is 20%.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 54. Calm wind becoming east southeast 5 to 7 mph in the morning.
Sunday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Monday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 63. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 41.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 62.
Tuesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 40.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 81.
Click Map For Forecast
Point Forecast:
Longmont CO
 40.16°N 105.12°W (Elev. 5000 ft)
3:34 am MDT May 20, 2022
8am MDT May 20, 2022-6pm MDT May 26, 2022
 
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