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

Arctic Front Slides Southward; Heavy Rainfall Potential Across the South and for Hawaii

An arctic front will slowly drift southward this weekend. This will focus snow, locally heavy, from the Intermountain West, Rockies, Plains, and Great Lakes and eventually into the Northeast. Dangerously cold wind chills behind this arctic front are forecast for most of the Plains this weekend. Moisture will increase across the Gulf Coast and the State of Hawaii where flooding concerns increase. Read More >

Hazardous Weather Conditions

Current conditions at

Vance Brand Airport (KLMO)

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

Overcast

22°F

-6°C

Humidity 72%
Wind Speed Calm
Barometer 29.83 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 28 Jan 6:55 am MST
Extended Forecast for

Longmont CO

  • Today

    Today: A 40 percent chance of snow, mainly after 1pm. Partly sunny, with a high near 28. East northeast wind 5 to 9 mph, with gusts as high as 15 mph. Total daytime snow accumulation of less than a half inch possible.

    Chance Snow

    High: 28 °F

  • Tonight

    Tonight: A chance of snow and freezing drizzle before 11pm, then a chance of snow. Cloudy, with a low around 1. Wind chill values as low as -7. East northeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Chance Wintry
    Mix then
    Chance Snow

    Low: 1 °F

  • Sunday

    Sunday: Snow likely, mainly after 11am. Cloudy, with a high near 12. Wind chill values as low as -8. East wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Snow Likely

    High: 12 °F

  • Sunday
    Night

    Sunday Night: Snow likely, mainly before 11pm. Cloudy, with a low around -6. Wind chill values as low as -13. Northeast wind 5 to 9 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Snow Likely
    then Chance
    Snow

    Low: -6 °F

  • Monday

    Monday: A 20 percent chance of snow. Mostly cloudy and cold, with a high near 10. East wind 3 to 6 mph.

    Slight Chance
    Snow

    High: 10 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around -2.

    Partly Cloudy

    Low: -2 °F

  • Tuesday

    Tuesday: Sunny, with a high near 27.

    Sunny

    High: 27 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 8.

    Mostly Clear

    Low: 8 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31.

    Mostly Sunny

    High: 31 °F

Detailed Forecast

Today
A 40 percent chance of snow, mainly after 1pm. Partly sunny, with a high near 28. East northeast wind 5 to 9 mph, with gusts as high as 15 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow and freezing drizzle before 11pm, then a chance of snow. Cloudy, with a low around 1. Wind chill values as low as -7. East northeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly after 11am. Cloudy, with a high near 12. Wind chill values as low as -8. East wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
Snow likely, mainly before 11pm. Cloudy, with a low around -6. Wind chill values as low as -13. Northeast wind 5 to 9 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
A 20 percent chance of snow. Mostly cloudy and cold, with a high near 10. East wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around -2.
Tuesday
Sunny, with a high near 27.
Tuesday Night
Mostly clear, with a low around 8.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
Partly cloudy, with a low around 8.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Mostly sunny, with a high near 41.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Longmont CO
 40.19°N 105.09°W (Elev. 5010 ft)
Last Update:
3:19 am MST Jan 28, 2023
Forecast Valid:
7am MST Jan 28, 2023-6pm MST Feb 3, 2023
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation