Is it time in the Mountain West?
CO · UT · WY · cool-season grass
Soil temperature today
Measured47.8°F
Measured at 5 cm by NOAA USCRN station CO_Nunn_7_NNE, reading of 2026-10-16. How we get this number.
- Cool-season seeding — 50–65°F (15° wide; estimate OK)
- Crabgrass pre-emergent — 52–58°F (6° wide; measured only)
- Warm-season seeding — above 65°F
One thing is open today
Sprinkler blowout
cooling down ahead of frost — time to blow out the lines.
Done before the ground freezes, not on a fixed date.
Not yet
Overseeding / seeding
soil has dropped below the 50°F bottom of the germination range.
Crabgrass pre-emergent
crabgrass pre-emergent is a spring job.