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Storm system to bring heavy rainfall and the potential for flash flooding over the southern Mid Atlantic and Southeast U.S.

A slow moving low pressure system will bring the threat for heavy rainfall, flash flooding, and a few strong to severe thunderstorms into Tuesday. The main threat areas include the southern Mid Atlantic and Southeast U.S. Excessive runoff may lead to flooding of low lying areas, rivers, and streams. Read More >

Hazardous Weather Conditions

Current conditions at

Vance Brand Airport (KLMO)

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

Fair

47°F

8°C

Humidity 68%
Wind Speed NE 5 mph
Barometer 29.67 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 24 Apr 1:55 am MDT
Extended Forecast for

Longmont CO

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. Calm wind becoming west 5 to 7 mph.

    Mostly Cloudy

    Low: 45 °F

  • Monday

    Monday: Partly sunny, with a high near 71. South southwest wind 6 to 10 mph.

    Partly Sunny

    High: 71 °F

  • Monday
    Night

    Monday Night: A slight chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers after 1am.  Mostly cloudy, with a low around 42. West southwest wind 5 to 8 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 42 °F

  • Tuesday

    Tuesday: A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 58. Light and variable wind becoming north northwest 6 to 11 mph in the morning. Winds could gust as high as 17 mph.  Chance of precipitation is 60%.

    Slight Chance
    Showers then
    Showers
    Likely

    High: 58 °F

  • Tuesday
    Night

    Tuesday Night: Rain showers likely before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Some thunder is also possible.  Mostly cloudy, with a low around 33. North wind 6 to 11 mph becoming light north northeast  after midnight. Winds could gust as high as 17 mph.  Chance of precipitation is 60%.

    Showers
    Likely then
    Rain/Snow
    Likely

    Low: 33 °F

  • Wednesday

    Wednesday: A chance of snow showers before 7am, then a slight chance of rain showers after 1pm. Some thunder is also possible.  Partly sunny, with a high near 59. Chance of precipitation is 30%.

    Chance Snow
    Showers then
    Slight Chance
    T-storms

    High: 59 °F

  • Wednesday
    Night

    Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am.  Mostly cloudy, with a low around 37. Chance of precipitation is 20%.

    Slight Chance
    T-storms then
    Slight Chance
    Showers

    Low: 37 °F

  • Thursday

    Thursday: A slight chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 57.

    Chance
    Showers

    High: 57 °F

  • Thursday
    Night

    Thursday Night: A chance of rain showers before 1am, then a slight chance of rain and snow showers. Some thunder is also possible.  Mostly cloudy, with a low around 35.

    Chance
    Showers then
    Slight Chance
    Rain/Snow

    Low: 35 °F

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. Calm wind becoming west 5 to 7 mph.
Monday
Partly sunny, with a high near 71. South southwest wind 6 to 10 mph.
Monday Night
A slight chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers after 1am. Mostly cloudy, with a low around 42. West southwest wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Tuesday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 58. Light and variable wind becoming north northwest 6 to 11 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 60%.
Tuesday Night
Rain showers likely before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Some thunder is also possible. Mostly cloudy, with a low around 33. North wind 6 to 11 mph becoming light north northeast after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 60%.
Wednesday
A chance of snow showers before 7am, then a slight chance of rain showers after 1pm. Some thunder is also possible. Partly sunny, with a high near 59. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 20%.
Thursday
A slight chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 57.
Thursday Night
A chance of rain showers before 1am, then a slight chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 35.
Friday
A slight chance of rain and snow showers before 7am, then a chance of rain showers. Some thunder is also possible. Mostly cloudy, with a high near 50.
Friday Night
A chance of rain and snow showers. Some thunder is also possible. Cloudy, with a low around 34.
Saturday
A chance of rain and snow showers. Mostly cloudy, with a high near 45.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30.
Sunday
A slight chance of snow showers. Partly sunny, with a high near 53.
Click Map For Forecast
Point Forecast:
Longmont CO
 40.16°N 105.12°W (Elev. 5000 ft)
12:56 am MDT Apr 24, 2017
2am MDT Apr 24, 2017-6pm MDT Apr 30, 2017
 
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