Showers and Thunderstorms With Heavy Rainfall Expected Across the Eastern United States

Showers and thunderstorms, some with local heavy rainfall, are expected across Pennsylvania and northward to New England. These storms will elevate the potential for flash flooding the rest of this weekend. Hot temperatures are expected across the Desert Southwest and Texas. Monsoonal thunderstorms are expected across New Mexico and Arizona. Read More >

Current conditions at

Vance Brand Airport (KLMO)

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

Fair

67°F

19°C

Humidity 68%
Wind Speed SW 3 mph
Barometer 29.99 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 31 Jul 1:15 am MDT
Extended Forecast for

Longmont CO

  • Overnight

    Overnight: Partly cloudy, with a low around 60. Light west wind.

    Partly Cloudy

    Low: 60 °F

  • Sunday

    Sunday: Isolated showers and thunderstorms after 1pm.  Partly sunny, with a high near 92. Calm wind becoming northwest around 6 mph in the afternoon.  Chance of precipitation is 20%.

    Mostly Sunny
    then Isolated
    T-storms

    High: 92 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 61. Light west wind.

    Slight Chance
    T-storms then
    Mostly Cloudy

    Low: 61 °F

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 92. Calm wind becoming northeast around 6 mph in the afternoon.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 92 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 61. Northeast wind around 5 mph becoming calm  in the evening.

    Mostly Cloudy

    Low: 61 °F

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 91.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 91 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Partly Cloudy

    Low: 61 °F

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 93.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 93 °F

  • Wednesday
    Night

    Wednesday Night: A slight chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 62.

    Slight Chance
    T-storms then
    Mostly Cloudy

    Low: 62 °F

Detailed Forecast

Overnight
Partly cloudy, with a low around 60. Light west wind.
Sunday
Isolated showers and thunderstorms after 1pm. Partly sunny, with a high near 92. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. Light west wind.
Monday
A 10 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 92. Calm wind becoming northeast around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
A 10 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62.
Thursday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 85.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 84.
Click Map For Forecast
Point Forecast:
Longmont CO
 40.16°N 105.12°W (Elev. 5000 ft)
8:14 pm MDT Jul 30, 2016
1am MDT Jul 31, 2016-6pm MDT Aug 6, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database