Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Vance Brand Airport (KLMO)

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

Fair

63°F

17°C

Humidity	90%
Wind Speed	Calm
Barometer	30.19 in
Dewpoint	60°F (16°C)
Visibility	7.00 mi
Last update	24 Jul 6:35 am MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Longmont CO

Heat Advisory July 25, 11:00am until July 25, 09:00pm

Heat Advisory July 26, 11:00am until July 26, 09:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 97 °F
Hot
Tonight
Low: 67 °F
Mostly Clear
Saturday
High: 99 °F
Sunny then
Slight Chance
T-storms
Saturday Night
Low: 68 °F
Slight Chance
T-storms then
Partly Cloudy
Sunday
High: 100 °F
Sunny then
Slight Chance
T-storms
Sunday Night
Low: 69 °F
Mostly Cloudy
Monday
High: 97 °F
Mostly Sunny
then Chance
T-storms
Monday Night
Low: 66 °F
Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 94 °F
Mostly Sunny
then Chance
T-storms

Detailed Forecast

Today

Sunny and hot, with a high near 97. Calm wind becoming east around 5 mph.

Tonight

Mostly clear, with a low around 67. Light and variable wind.

Saturday

A 20 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 99. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 16 mph.

Saturday Night

A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 68. South southwest wind 5 to 8 mph becoming light and variable in the evening. Winds could gust as high as 16 mph.

Sunday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 100. Calm wind becoming northwest around 6 mph in the afternoon. Winds could gust as high as 15 mph.

Sunday Night

Mostly cloudy, with a low around 69.

Monday

A 40 percent chance of showers and thunderstorms after noon. Partly sunny and hot, with a high near 97.

Monday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 66.

Tuesday

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 94.

Tuesday Night

Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 65.

Wednesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 94.