ZIP 80420 snow totals
ZIP 80420 (Alma, CO) got 1.4" of snow in the 24 hours ending Oct 24, 6:00 PM MT and 4.1" over 72 hours. Season to date: 1.1" vs. a normal of 17.5". Soil temperature: 38°F.
Plow day
Storm total, last 72 hours
4.1in
Ending Oct 24, 6:00 PM MT
Season so far
6% of normal
1.1 in since July 1; the 1991–2020 normal by now is 17.5 in (gold line). Measured at the nearest reporting NOAA station with normals, CLIMAX (USC00051660), 4.9 mi away, through 2026-10-21.
Updated Oct 25, 1:40 AM MT. Estimates for planning. Not certified for contract billing.
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Lawn timing
Soil temperature
38°F
Daily mean, 0–4 in deep, Oct 25
- Last 7 days
- -3.8°F
- Cooling
- Days until 55°F
- Starts Feb
- Spring countdown to the crabgrass threshold
Modeled from NOAA GFS at about 17 mi resolution; your yard can run warmer or cooler.
Crabgrass pre-emergent
Spring window opens when 0–4 in soil holds 50–55°F (MSU). Growing-degree-day tracking starts Feb 15, 2027.
Fall fertilizer
Soil is below 40°F or frozen; growth has slowed and fertilizer won't be used (Purdue).
Overseeding (cool-season)
Soil 38°F. Wait for dormant seeding once soil is in the low 40s (UMass).
Broadleaf weeds
Treat perennial broadleaf weeds in fall while air temperatures are above 50°F (Purdue).
Grub control
If grubs are damaging turf, curative treatment works while they feed near the surface, Aug–Oct (NC State).
Soil temperature drives these windows today. Growing-degree-day tracking joins it February 15, 2027. How we set them
Guides for Alma
Snow-day gear
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Nearest snow-reporting stations
- CLIMAX: 4.9 mi
- FAIRPLAY 2.7 WNW: 7.2 mi
- FAIRPLAY 2.7 SW: 9.4 mi
FAQ
How much snow did ZIP 80420 get?
ZIP 80420 (Alma, CO) got 1.4" of snow in the 24 hours ending Oct 24, 6:00 PM MT and 4.1" over 72 hours. Season to date: 1.1" vs. a normal of 17.5". Soil temperature: 38°F.
What is the soil temperature in ZIP 80420, and is it time for pre-emergent?
The 0–4 inch soil around ZIP 80420 averages 38°F today (NOAA GFS model). Crabgrass pre-emergent goes down in spring when soil holds 50–55°F, before four to five straight days at 55°F (Michigan State University).
Can I use these totals to bill snow removal?
No. Estimates for planning. Not certified for contract billing. Grid estimates can differ from a specific lot, so contracts should name a measurement method, such as a specific weather station or an on-site snow board.