Alamosa & San Luis Valley, CO

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San Luis Creek

Today’s Forecast:

☀
36°F
High: 36° | Low: 22°
Current Temperature
Clear
Station: KALS
Observed at: 8:45 pm CST on 11/12/26
Wind: 3 mph | Humidity: 69%

Tonight:Mostly clear, with a low around 22. South southwest wind around 0 mph.
Friday:Mostly sunny, with a high near 56. South wind 0 to 10 mph.
Friday Night:A chance of snow showers between 4am and 5am, then rain and snow showers likely. Mostly cloudy, with a low around 28. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

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Today’s Report:

🚲 Biking

Excellent
  89 /100

Excellent for biking. High near 56°F. Light wind (10 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 13/100
Not Recommended for biking. High near 49°F. High rain probability (74%). Breezy winds (15 mph).

🎪 Outdoor Events / Activities

Good
  83 /100

Good for outdoor events / activities. High near 56°F. Light wind (10 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 3/100
Not Recommended for outdoor events / activities. High near 49°F. High rain probability (74%). Breezy winds (15 mph). Temperatures outside comfort limits (49°F).

🥾 Hiking

Excellent
  100 /100

Excellent for hiking. High near 56°F. Light wind (10 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 16/100
Not Recommended for hiking. High near 49°F. High rain probability (74%). Light wind (15 mph).

About Alamosa & San Luis Valley

Alamosa & San Luis Valley is a broad valley planning page for Rio Grande paths, wildlife-area stops, small-town events, open-road rides, and outdoor days between the Sangre de Cristo and San Juan ranges.

Make the Most of a Alamosa & San Luis Valley Day

Use wind, sun, storms, smoke, and long driving distances to decide between valley paths, wildlife-area visits, town events, or mountain-adjacent day trips.

Weather Tips for Alamosa & San Luis Valley

  • Valley wind, intense sun, cold mornings, afternoon storms, smoke, dust, hail, and long open-road travel can all affect San Luis Valley plans.
  • If thunder is possible, finish exposed ridges, open trails, lakes, and long bike routes early.
  • For biking, watch wind, heat, trail exposure, and whether recent rain has left dirt, clay, or rock surfaces slick.
  • Smoke, dust, fire restrictions, and sudden storm cells can change outdoor plans during dry or windy stretches.

Nearby Towns and Areas

This page is meant to cover a roughly 25-mile outdoor-planning area around Alamosa & San Luis Valley, including Alamosa, Rio Grande corridor paths, nearby wildlife areas, San Luis Valley towns, and open valley routes not centered on the dunes. It can also be useful when planning outdoor time near:

  • Alamosa
  • Rio Grande
  • Monte Vista
  • San Luis Lakes
  • La Jara
  • Conejos
  • Del Norte
  • Monte Vista National Wildlife Refuge

Plan Around the Conditions

Use the forecast to choose the best version of Alamosa & San Luis Valley rather than forcing one itinerary. Match elevation, heat, wind, storm timing, water conditions, trail surfaces, road conditions, fire restrictions, and seasonal closures to the activity that gives your group the most comfortable day.

7-Day Forecast for Alamosa & San Luis Valley

☀
36°F
High: 36° | Low: 22°
Current Temperature
Clear
Station: KALS
Observed at: 8:45 pm CST on 11/12/26
Wind: 3 mph | Humidity: 69%
Fri ⛅
56° 28°
0%
Sat ❄
50° 25°
74%
Sun ☀
51° 24°
0%
Mon ⛅
52° 24°
0%
Tue 🌧
54° 29°
23%
Wed ❄
50° 23°
26%
Thu ❄
50° --°
22%

7-Day High Temperature Trend

56° Fri 50° Sat 51° Sun 52° Mon 54° Tue 50° Wed 50° Thu

7-Day Low Temperature Trend

28° Fri 25° Sat 24° Sun 24° Mon 29° Tue 23° Wed 50° Thu

📊 7-Day Outdoor Outlook

Good Fair Poor 100 Fri 64 Sat 75 Sun 80 Mon 87 Tue 42 Wed 70 Thu
Forecast data from the National Weather Service  |  Last Updated: November 12, 2026 9:33 pm CST