Saint Vrain Creek below Longmont
7.4 mi- Level
- 10.1 ft
- Flow
- 106 cfs
Reading from Fri 11 PM · NWS gauge page
Appearance
Observed 1:15 AM MDT at KEIK
Clear and 52°11°.
Today: low 46°8° (likely 41°5° to 46°8°), high 55°13° (likely 54°12° to 57°14°).
Now 52°11°
Clear
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 1a | Partly cloudy | 53°12° (likely 49°9° to 55°13°) | 53°12° | 0% | 5 mph8 km/h from NNE, gusts 5 mph9 km/h | 50% | 52% | 0 |
| Sat 2a | Mostly cloudy | 52°11° (likely 48°9° to 54°12°) | 52°11° | 0% | 5 mph8 km/h from WNW, gusts 4 mph7 km/h | 52% | 36% | 0 |
| Sat 3a | Mostly cloudy | 51°11° (likely 44°7° to 53°12°) | 51°11° | 0% | 5 mph8 km/h from W, gusts 5 mph8 km/h | 54% | 34% | 0 |
| Sat 4a | Mostly cloudy | 49°9° (likely 42°6° to 52°11°) | 48°9° | 0% | 3 mph5 km/h from NW, gusts 5 mph8 km/h | 58% | 40% | 0 |
| Sat 5a | Mostly cloudy | 49°9° (likely 41°5° to 51°11°) | 47°8° | 0% | 5 mph8 km/h from N, gusts 6 mph9 km/h | 58% | 47% | 0 |
| Sat 6a | Cloudy | 48°9° (likely 42°6° to 49°9°) | 45°7° | 5% | 6 mph10 km/h from NNE, gusts 14 mph22 km/h | 60% | 65% | 0 |
| Sat 7a | Sunny | 46°8° (likely 44°7° to 49°9°) | 42°6° | 5% | 8 mph13 km/h from NNE, gusts 11 mph17 km/h | 63% | 20% | 0 |
| Sat 8a | Sunny | 47°8° (likely 45°7° to 50°10°) | 42°6° | 5% | 10 mph16 km/h from N, gusts 10 mph17 km/h | 63% | 19% | 0 |
| Sat 9a | Mostly cloudy | 50°10° (likely 47°8° to 51°11°) | 45°7° | 5% | 13 mph21 km/h from NNE, gusts 14 mph22 km/h | 58% | 31% | 1 |
| Sat 10a | Mostly cloudy | 52°11° (likely 48°9° to 54°12°) | 52°11° | 5% | 13 mph21 km/h from NNE, gusts 15 mph24 km/h | 54% | 32% | 2 |
| Sat 11a | Mostly cloudy | 52°11° (likely 49°9° to 55°13°) | 52°11° | 5% | 12 mph19 km/h from NNE, gusts 14 mph22 km/h | 54% | 53% | 3 |
| Sat 12p | Mostly cloudy | 53°12° (likely 51°11° to 55°13°) | 53°12° | 10%, 0.01 in0.3 mm | 10 mph16 km/h from NE, gusts 13 mph22 km/h | 50% | 52% | 4 |
| Sat 1p | Cloudy | 54°12° (likely 52°11° to 56°13°) | 54°12° | 10%, 0.01 in0.3 mm | 10 mph16 km/h from NE, gusts 13 mph21 km/h | 48% | 93% | 4 |
| Sat 2p | Cloudy | 54°12° (likely 50°10° to 57°14°) | 54°12° | 10%, 0.01 in0.3 mm | 9 mph14 km/h from NE, gusts 13 mph21 km/h | 47% | 92% | 4 |
| Sat 3p | Cloudy | 54°12° (likely 50°10° to 57°14°) | 54°12° | 30%, 0.01 in0.3 mm | 9 mph14 km/h from NE, gusts 12 mph19 km/h | 47% | 93% | 4 |
| Sat 4p | Cloudy | 54°12° (likely 49°9° to 56°13°) | 54°12° | 30%, 0.01 in0.3 mm | 8 mph13 km/h from ENE, gusts 11 mph18 km/h | 48% | 93% | 2 |
| Sat 5p | Cloudy | 53°12° (likely 49°9° to 54°12°) | 53°12° | 30%, 0.01 in0.3 mm | 7 mph11 km/h from ENE, gusts 8 mph14 km/h | 50% | 98% | 1 |
| Sat 6p | Showers | 50°10° (likely 45°7° to 52°11°) | 47°8° | 40%, 0.04 in1 mm | 7 mph11 km/h from E, gusts 8 mph13 km/h | 61% | 100% | 0 |
| Sat 7p | Cloudy | 48°9° (likely 44°7° to 50°10°) | 45°7° | 40%, 0.04 in1 mm | 6 mph10 km/h from ESE, gusts 8 mph13 km/h | 65% | 100% | 0 |
| Sat 8p | Showers | 47°8° (likely 42°6° to 49°9°) | 45°7° | 40%, 0.04 in1 mm | 5 mph8 km/h from ESE, gusts 10 mph16 km/h | 71% | 100% | 0 |
| Sat 9p | Cloudy | 47°8° (likely 42°6° to 48°9°) | 45°7° | 20%, 0.04 in1 mm | 5 mph8 km/h from ESE, gusts 7 mph11 km/h | 74% | 97% | 0 |
| Sat 10p | Cloudy | 45°7° (likely 41°5° to 47°8°) | 44°7° | 20%, 0.04 in1 mm | 3 mph5 km/h from ESE, gusts 6 mph10 km/h | 79% | 99% | 0 |
| Sat 11p | Cloudy | 45°7° (likely 41°5° to 47°8°) | 44°7° | 20%, 0.04 in1 mm | 3 mph5 km/h from ESE, gusts 6 mph9 km/h | 79% | 99% | 0 |
| Sun 12a | Cloudy | 45°7° (likely 40°4° to 46°8°) | 43°6° | 5% | 5 mph8 km/h from ESE, gusts 7 mph11 km/h | 79% | 91% | 0 |
| Sun 1a | Cloudy | 43°6° (likely 39°4° to 46°8°) | 40°4° | 5% | 5 mph8 km/h from ESE, gusts 8 mph13 km/h | 86% | 90% | 0 |
| Sun 2a | Cloudy | 43°6° (likely 39°4° to 45°7°) | 40°4° | 5% | 5 mph8 km/h from ESE, gusts 7 mph11 km/h | 86% | 95% | 0 |
| Sun 3a | Cloudy | 42°6° (likely 39°4° to 45°7°) | 39°4° | 5% | 5 mph8 km/h from E, gusts 7 mph12 km/h | 89% | 94% | 0 |
| Sun 4a | Cloudy | 42°6° (likely 38°3° to 44°7°) | 40°4° | 5% | 3 mph5 km/h from E, gusts 8 mph12 km/h | 89% | 97% | 0 |
| Sun 5a | Cloudy | 41°5° (likely 38°3° to 44°7°) | 39°4° | 5% | 3 mph5 km/h from E, gusts 8 mph12 km/h | 93% | 94% | 0 |
| Sun 6a | Cloudy | 40°4° (likely 37°3° to 43°6°) | 37°3° | 0% | 5 mph8 km/h from E, gusts 7 mph11 km/h | 96% | 94% | 0 |
| Sun 7a | Cloudy | 40°4° (likely 37°3° to 43°6°) | 38°3° | 0% | 3 mph5 km/h from E, gusts 8 mph13 km/h | 96% | 92% | 0 |
| Sun 8a | Cloudy | 39°4° (likely 38°3° to 43°6°) | 37°3° | 0% | 3 mph5 km/h from ENE, gusts 7 mph11 km/h | 100% | 89% | 0 |
| Sun 9a | Cloudy | 43°6° (likely 40°4° to 45°7°) | 40°4° | 5% | 5 mph8 km/h from NE, gusts 6 mph9 km/h | 96% | 84% | 1 |
| Sun 10a | Cloudy | 46°8° (likely 42°6° to 47°8°) | 44°7° | 5% | 5 mph8 km/h from NE, gusts 7 mph11 km/h | 86% | 76% | 2 |
| Sun 11a | Cloudy | 48°9° (likely 45°7° to 50°10°) | 47°8° | 5% | 3 mph5 km/h from NE, gusts 7 mph11 km/h | 80% | 78% | 3 |
| Sun 12p | Cloudy | 51°11° (likely 47°8° to 52°11°) | 51°11° | 5% | 3 mph5 km/h from NE, gusts 8 mph12 km/h | 71% | 72% | 4 |
| Sun 1p | Cloudy | 54°12° (likely 48°9° to 55°13°) | 54°12° | 5% | 5 mph8 km/h from NNE, gusts 9 mph14 km/h | 64% | 58% | 5 |
| Sun 2p | Cloudy | 55°13° (likely 48°9° to 57°14°) | 55°13° | 5% | 6 mph10 km/h from NNE, gusts 11 mph17 km/h | 61% | 62% | 5 |
| Sun 3p | Cloudy | 56°13° (likely 47°8° to 58°14°) | 56°13° | 10% | 8 mph13 km/h from NNE, gusts 13 mph21 km/h | 59% | 64% | 4 |
| Sun 4p | Cloudy | 57°14° (likely 47°8° to 57°14°) | 57°14° | 10% | 8 mph13 km/h from NNE, gusts 15 mph24 km/h | 57% | 66% | 3 |
| Sun 5p | Cloudy | 56°13° (likely 47°8° to 56°13°) | 56°13° | 10% | 9 mph14 km/h from NNE, gusts 16 mph25 km/h | 59% | 85% | 1 |
| Sun 6p | Cloudy | 53°12° (likely 46°8° to 53°12°) | 53°12° | 80%, 0.06 in1.5 mm | 10 mph16 km/h from N, gusts 17 mph27 km/h | 69% | 84% | 0 |
| Sun 7p | Showers | 51°11° (likely 47°8° to 52°11°) | 51°11° | 80%, 0.06 in1.5 mm | 9 mph14 km/h from N, gusts 19 mph30 km/h | 77% | 76% | 0 |
| Sun 8p | Showers | 49°9° (likely 46°8° to 50°10°) | 45°7° | 80%, 0.06 in1.5 mm | 9 mph14 km/h from N, gusts 19 mph31 km/h | 83% | 88% | 0 |
| Sun 9p | Showers | 48°9° (likely 45°7° to 50°10°) | 44°7° | 80%, 0.06 in1.5 mm | 9 mph14 km/h from N, gusts 18 mph29 km/h | 89% | 97% | 0 |
| Sun 10p | Showers | 47°8° (likely 44°7° to 50°10°) | 43°6° | 80%, 0.06 in1.5 mm | 8 mph13 km/h from N, gusts 16 mph26 km/h | 93% | 98% | 0 |
| Sun 11p | Showers | 46°8° (likely 44°7° to 49°9°) | 42°6° | 80%, 0.06 in1.5 mm | 8 mph13 km/h from N, gusts 15 mph24 km/h | 96% | 99% | 0 |
| Mon 12a | Showers | 46°8° (likely 44°7° to 49°9°) | 43°6° | 70%, 0.04 in1 mm | 6 mph10 km/h from N, gusts 14 mph23 km/h | 96% | 99% | 0 |
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
30% chance · 0.06 in1.5 mm
Evening
6 PM–midnight
40% chance · 0.24 in6.1 mm
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: A chance of rain showers after 3pm. Mostly cloudy. High near 55, with temperatures falling to around 53 in the afternoon. Northeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Tonight: Mostly cloudy. Low around 46, with temperatures rising to around 49 overnight. North northwest wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
80% chance · 0.36 in9.1 mm
Overnight
midnight–6 AM
70% chance · 0.11 in2.7 mm
Official NWS forecast
Day: Partly sunny, with a high near 57. Northeast wind 3 to 9 mph.
Night: Rain showers. Cloudy, with a low around 41. North wind 5 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 80%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
50% chance · 0.05 in1.4 mm
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before noon. Partly sunny, with a high near 59. Chance of precipitation is 20%.
Night: Mostly clear, with a low around 35.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 64.
Night: Mostly clear, with a low around 38.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 65.
Night: Partly cloudy, with a low around 37.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 66.
Night: Partly cloudy, with a low around 39.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 65.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
30% chance
Overnight
midnight–6 AM
20% chance · 0.03 in0.8 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
20% chance
Afternoon
noon–6 PM
30% chance
Evening
6 PM–midnight
Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Dry, high 55°, low 46°.
Dry, high 57°, low 41°.
Dry, high 59°, low 35°.
Mostly dry, highs 54–66°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (BOU) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Reading from Fri 11 PM · NWS gauge page
Reading from Sat 12 AM · NWS gauge page
Reading from Fri 11:30 PM · NWS gauge page
Reading from Sat 12:15 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 77% less heating than a typical week.
Heating degree days, base 65°F
47, 17 and 5°F are the test points heat pumps are rated at. About 6 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 35°F).
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Today’s expected high is 7°4° colder than typical.
On average 9°5° warmer than normal (daily mean temperature).
Dacono weather by month: normals, records, snow and freeze dates
Sunrise 7:20 AM, sunset 6:07 PM.
Clouds most of the night (about 46% cover).
Waxing gibbous
96% lit · growing
UniColorado Heating & Cooling installs heat pumps, furnaces and air conditioning across the Front Range. 12,000+ heat pumps installed since 2014.