Severe Thunderstorm and Excessive Rainfall Potential for the Central U.S. Today

Severe thunderstorms with a threat for large hail, isolated damaging winds and possibly a tornado are expected in parts of eastern Colorado today from mid afternoon to early evening. Several days of heavy rainfall will begin today over the western Gulf Coast where Flood Watches and excessive rainfall outlooks have been issued for today, Saturday, and Sunday. Read More >

Current conditions at

Vance Brand Airport (KLMO)

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

Partly Cloudy with Haze

57°F

14°C

Humidity	54%
Wind Speed	N 20 G 26 mph
Barometer	29.87 in
Dewpoint	40°F (4°C)
Visibility	5.00 mi
Last update	21 May 6:15 pm MDT

More Information:

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

Extended Forecast for

Longmont CO

Tonight
Low: 42 °F
Chance
Showers then
Slight Chance
Showers
Friday
High: 65 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 44 °F
Chance
Showers
Saturday
High: 71 °F
Mostly Sunny
then Slight
Chance
T-storms
Saturday Night
Low: 46 °F
Mostly Clear
Sunday
High: 83 °F
Sunny
Sunday Night
Low: 51 °F
Partly Cloudy
Memorial Day
High: 85 °F
Sunny
Monday Night
Low: 52 °F
Slight Chance
T-storms then
Partly Cloudy

Detailed Forecast

Tonight

A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 42. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 50%.

Friday

A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 65. Calm wind becoming east northeast around 6 mph in the afternoon. Chance of precipitation is 20%.

Friday Night

A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 44. Southeast wind around 5 mph becoming calm in the evening.

Saturday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. Calm wind becoming east around 5 mph in the afternoon.

Saturday Night

Mostly clear, with a low around 46. North wind around 5 mph becoming calm.

Sunday

Sunny, with a high near 83.

Sunday Night

Partly cloudy, with a low around 51.

Memorial Day

Sunny, with a high near 85.

Monday Night

A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52.

Tuesday

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 82.