Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Lamar Municipal Airport (KLAA)

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

Fair

87°F

31°C

Humidity 36%
Wind Speed S 9 G 21 mph
Barometer 30.11 in (1013.9 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 19 Aug 11:53 am MDT
Extended Forecast for

4 Miles N Lamar CO

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. Southwest wind 5 to 10 mph becoming east.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm.  Cloudy during the early evening, then gradual clearing, with a low around 63. East southeast wind 5 to 10 mph becoming west northwest after midnight.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 95. South southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. South southeast wind 10 to 15 mph decreasing to 5 to 10 mph after midnight.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. South southeast wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. Southeast wind 5 to 15 mph becoming southwest after midnight.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. West southwest wind 5 to 15 mph becoming east in the morning.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 66. Southeast wind 10 to 15 mph.

    Low: 66 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 100. West southwest wind around 10 mph.

    High: 100 °F

    Hot

Detailed Forecast

This Afternoon
Sunny, with a high near 91. Southwest wind 5 to 10 mph becoming east.
Tonight
Showers and thunderstorms likely, mainly before 11pm. Cloudy during the early evening, then gradual clearing, with a low around 63. East southeast wind 5 to 10 mph becoming west northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Sunny, with a high near 95. South southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 64. South southeast wind 10 to 15 mph decreasing to 5 to 10 mph after midnight.
Friday
Sunny and hot, with a high near 100. South southeast wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 66. Southeast wind 5 to 15 mph becoming southwest after midnight.
Saturday
Sunny and hot, with a high near 100. West southwest wind 5 to 15 mph becoming east in the morning.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 66. Southeast wind 10 to 15 mph.
Sunday
Mostly sunny and hot, with a high near 100. West southwest wind around 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65. East northeast wind 5 to 10 mph becoming west northwest after midnight.
Monday
Sunny, with a high near 99. West northwest wind around 5 mph becoming east in the afternoon.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Southeast wind 5 to 10 mph becoming north after midnight.
Tuesday
Sunny, with a high near 96. West wind around 5 mph becoming southeast in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Lamar CO
 38.14°N 102.6°W (Elev. 3678 ft)
9:01 am MDT Aug 19, 2026
12pm MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database