Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Hazardous Weather Conditions

Current conditions at

San Luis Valley Regional Airport (KALS)

Lat: 37.44°NLon: 105.86°WElev: 7536ft.

Mostly Cloudy

55°F

13°C

Humidity 36%
Wind Speed NE 13 mph
Barometer 30.08 in (1010.9 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 20 May 8:52 pm MDT
Extended Forecast for

9 Miles SW Blanca CO

  • Tonight

    Tonight: Partly cloudy, with a low around 34. West northwest wind 5 to 10 mph becoming east southeast after midnight.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 69. Breezy, with a southeast wind 5 to 10 mph becoming west southwest 15 to 25 mph in the morning. Winds could gust as high as 35 mph.

    High: 69 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. Breezy, with a west southwest wind 15 to 25 mph becoming south southeast 5 to 10 mph after midnight.

    Low: 34 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 70. Breezy, with a west wind 5 to 10 mph becoming west 15 to 20 mph in the morning.

    High: 70 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. Northwest wind 10 to 15 mph becoming east southeast 5 to 10 mph after midnight.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 70. East southeast wind 5 to 15 mph becoming west northwest in the afternoon.

    High: 70 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. North wind 5 to 10 mph becoming east after midnight.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75. West northwest wind 5 to 10 mph.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. North northeast wind around 10 mph becoming east after midnight.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. West northwest wind 5 to 10 mph becoming east southeast after midnight.
Thursday
Sunny, with a high near 69. Breezy, with a southeast wind 5 to 10 mph becoming west southwest 15 to 25 mph in the morning. Winds could gust as high as 35 mph.
Thursday Night
Mostly clear, with a low around 34. Breezy, with a west southwest wind 15 to 25 mph becoming south southeast 5 to 10 mph after midnight.
Friday
Increasing clouds, with a high near 70. Breezy, with a west wind 5 to 10 mph becoming west 15 to 20 mph in the morning.
Friday Night
Partly cloudy, with a low around 35. Northwest wind 10 to 15 mph becoming east southeast 5 to 10 mph after midnight.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. East southeast wind 5 to 15 mph becoming west northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 36. North wind 5 to 10 mph becoming east after midnight.
Sunday
Sunny, with a high near 75. West northwest wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 41. North northeast wind around 10 mph becoming east after midnight.
Memorial Day
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 76. South southeast wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 41. South southeast wind around 10 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 70. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 39. South southeast wind 10 to 15 mph.
Wednesday
Sunny, with a high near 73. South wind 10 to 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW Blanca CO
 37.33°N 105.61°W (Elev. 7720 ft)
8:51 pm MDT May 20, 2026
9pm MDT May 20, 2026-6pm MDT May 27, 2026
 
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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