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Severe Thunderstorms and Heavy Rain in Upper Midwest

A slow moving frontal boundary from the central Pains to the Upper Midwest will bring a potential for severe thunderstorms and heavy rain. Rain amounts of 1-3 inches, with locally heavier amounts can be expected. The threat of severe weather moves into the Ohio Valley and Northeast on Tuesday. Monsoon moisture continues to bring the threat of flash flooding to the Southwest and southern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

San Luis Valley Regional Airport (KALS)

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

Fair

12°C

54°F

Humidity 72%
Wind Speed Calm
Barometer 1016.7 mb (30.31 in)
Dewpoint 7°C (45°F)
Visibility 16 km
Last update 21 Aug 3:52 am MDT
Extended Forecast for

Alamosa CO

  • Today

    Today: Scattered showers and thunderstorms, mainly after 5pm.  Partly sunny, with a high near 25. Light and variable wind becoming east 10 to 15 km/h in the afternoon.  Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Partly Sunny
    then
    Scattered
    T-storms

    High: 25 °C

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy, with a low around 9. East wind 15 to 20 km/h becoming north northwest 5 to 10 km/h after midnight.  New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 9 °C

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after noon.  Partly sunny, with a high near 24. North wind 5 to 10 km/h becoming south southeast 10 to 15 km/h in the afternoon.  New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Slight Chance
    T-storms then
    Chance
    T-storms

    High: 24 °C

  • Tuesday
    Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 8. South wind 5 to 10 km/h becoming calm  after midnight.  New precipitation amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 8 °C

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 25. Calm wind becoming west southwest 5 to 10 km/h in the afternoon.  New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 25 °C

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 10. Southeast wind 5 to 10 km/h becoming south southwest after midnight.

    Slight Chance
    T-storms then
    Mostly Cloudy

    Low: 10 °C

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 24. South wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon.

    Partly Sunny
    then Chance
    T-storms

    High: 24 °C

  • Thursday
    Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 7. West northwest wind 15 to 20 km/h becoming south southwest 5 to 10 km/h in the evening.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 7 °C

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 25. Northwest wind 5 to 15 km/h becoming northeast in the morning.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 25 °C

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 25. Light and variable wind becoming east 10 to 15 km/h in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 9. East wind 15 to 20 km/h becoming north northwest 5 to 10 km/h after midnight. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 24. North wind 5 to 10 km/h becoming south southeast 10 to 15 km/h in the afternoon. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Tuesday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 8. South wind 5 to 10 km/h becoming calm after midnight. New precipitation amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 25. Calm wind becoming west southwest 5 to 10 km/h in the afternoon. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 10. Southeast wind 5 to 10 km/h becoming south southwest after midnight.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 24. South wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon.
Thursday Night
A 10 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 7. West northwest wind 15 to 20 km/h becoming south southwest 5 to 10 km/h in the evening.
Friday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 25. Northwest wind 5 to 15 km/h becoming northeast in the morning.
Friday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 8. South southwest wind 5 to 15 km/h.
Saturday
Mostly sunny, with a high near 25. Southwest wind 5 to 15 km/h becoming north in the afternoon.
Saturday Night
Partly cloudy, with a low around 7. West northwest wind 5 to 15 km/h becoming east after midnight.
Sunday
Sunny, with a high near 25. West northwest wind 5 to 15 km/h becoming east northeast in the afternoon.
Click Map For Forecast
Point Forecast:
Alamosa CO
 37.47°N 105.88°W (Elev. 2285 m)
3:45 am MDT Aug 21, 2017
4am MDT Aug 21, 2017-6pm MDT Aug 27, 2017
 
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