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

Wet and Cool in the East this Memorial Day Weekend; Well Above Normal Temperatures in the Northern Plains

A wet Memorial Day weekend is in store for the East, with widespread rainfall of 1 to more than 2 inches expected from the Gulf Coast to southern New England. Well above normal temperatures are forecast to build across the northern Plains. Another round of heavy to excessive rainfall is expected to impact the western Gulf Coast this weekend with Flood Watches in effect. Read More >

Hazardous Weather Conditions

Current conditions at

Lamar Municipal Airport (KLAA)

Lat: 38.07°NLon: 102.69°WElev: 3684ft.

Fair

69°F

21°C

Humidity 30%
Wind Speed N 14 G 22 mph
Barometer 29.97 in (1011.5 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 22 May 12:53 pm MDT
Extended Forecast for

Lamar CO

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. North northeast wind around 15 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms. Partly cloudy during the early evening, then becoming cloudy, with a low around 42. East wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 30%.

    Low: 42 °F

    Chance
    Showers

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 77. South southeast wind 5 to 15 mph.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45. Southeast wind 5 to 15 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89. South southwest wind 5 to 10 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. South wind 5 to 15 mph.

    Low: 50 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 92. Breezy, with a south southeast wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 51 °F

    Chance
    T-storms and
    Breezy then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 72. North northeast wind around 15 mph.
Tonight
A chance of showers and thunderstorms. Partly cloudy during the early evening, then becoming cloudy, with a low around 42. East wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 30%.
Saturday
A 10 percent chance of showers and thunderstorms after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 77. South southeast wind 5 to 15 mph.
Saturday Night
Mostly clear, with a low around 45. Southeast wind 5 to 15 mph.
Sunday
Sunny, with a high near 89. South southwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 50. South wind 5 to 15 mph.
Memorial Day
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 92. Breezy, with a south southeast wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 40 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 48. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 48. East southeast wind 10 to 15 mph.
Thursday
Mostly sunny, with a high near 86. East southeast wind 10 to 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lamar CO
 38.07°N 102.63°W (Elev. 3665 ft)
Last Update:
12:31 pm MDT May 22, 2026
Forecast Valid:
1pm MDT May 22, 2026-6pm MDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation