Silt, Colorado Weather
Wind builds through canyons. Day 16 of summer. Read this microseason across nine climate regions →
Silt weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Overcast——96°60°—
- TuesdayJul 7Overcast——92°70°-4°
- WednesdayJul 8Light Drizzle12%—98°57°+6°
- ThursdayJul 9Overcast12%—96°53°-2°
- FridayJul 10Overcast——98°56°+2°
- SaturdayJul 11Overcast——104°55°+6°
- SundayJul 12Partly Cloudy——107°56°+3°
AQI 48 (Good), driven by PM2.5. AQI down 52 over the last 6 hours — air quality is improving sharply. PM2.5 at 11.6 µg/m³ (AQI 56) with a 0.83 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in stagnant air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~86%) — afternoon ozone should stay flat.
- Present
- AQI 34
- UV peak
- 0.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 11.6 µg/m³ (AQI 56) with a 0.83 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.83
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 11:52 PM
- Moonset
- 12:34 PM
- In sign
- ♓︎ Pisces
Wind builds through canyons
Silt at a glance
- Today vs. normal: 10°F below the seasonal normal for this latitude
- Last frost: April 13 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 81652
16-Day Forecast — Silt
- Mon96°60°2%
- Tue92°70°7%
- Wed98°57°12%
- Thu96°53°12%
- Fri98°56°4%
- Sat104°55°0%
- Sun107°56°2%
- Mon98°61°9%
- Tue105°57°15%
- Wed102°57°21%
- Thu98°60°26%
- Fri100°59°28%
- Sat102°60°26%
- Sun103°62°26%
- Mon105°60°24%
- Tue105°61°32%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Silt
SPC includes Silt in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Silt
- 81652