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

71°F

22°C

Humidity 79%
Wind Speed NE 10 mph
Barometer 30.08 in (1012.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 19 Aug 2:53 am MDT
Extended Forecast for

4 Miles W Lamar CO

  • Overnight

    Overnight: Partly cloudy, with a low around 66. North wind 5 to 10 mph.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 92. North wind 5 to 10 mph becoming south in the afternoon.

    High: 92 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 11pm.  Cloudy during the early evening, then gradual clearing, with a low around 62. East southeast wind 5 to 10 mph becoming west northwest in the evening.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 97. South southeast wind 5 to 10 mph.

    High: 97 °F

    Sunny

  • Thursday Night

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

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 101. South southeast wind 5 to 10 mph.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. Southeast wind 5 to 10 mph becoming southwest after midnight.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 101. West southwest wind 5 to 10 mph becoming southeast 10 to 15 mph in the afternoon.

    High: 101 °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

Detailed Forecast

Overnight
Partly cloudy, with a low around 66. North wind 5 to 10 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 92. North wind 5 to 10 mph becoming south in the afternoon.
Wednesday Night
Showers and thunderstorms likely, mainly before 11pm. Cloudy during the early evening, then gradual clearing, with a low around 62. East southeast wind 5 to 10 mph becoming west northwest in the evening. 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 97. South southeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 64. South southeast wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 101. South southeast wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 66. Southeast wind 5 to 10 mph becoming southwest after midnight.
Saturday
Sunny and hot, with a high near 101. West southwest wind 5 to 10 mph becoming southeast 10 to 15 mph in the afternoon.
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 101. West southwest wind around 10 mph.
Sunday Night
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 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 northeast after midnight.
Tuesday
Sunny, with a high near 98. West wind around 5 mph becoming southeast in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Lamar CO
 38.07°N 102.68°W (Elev. 3698 ft)
12:31 am MDT Aug 19, 2026
3am MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database