Ralston Creek (CO) at Carr St. in Arvada
4.6 mi- Level
- 20.9 ft
Reading from Fri 7:48 AM · NWS gauge page
Appearance
Observed 9:52 AM MDT at KBJC
Sunny and 66°19°, 13°7° warmer than a typical Oct 23.
Today: low 48°9° (likely 48°9° to 58°14°), high 77°25° (likely 75°24° to 78°26°).
Now 66°19°
Sunny
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Fri 10a | Partly sunny | 66°19° (likely 65°18° to 68°20°) | 66°19° | 5% | 10 mph16 km/h from S, gusts 25 mph40 km/h | 45% | 47% | 2 |
| Fri 11a | Sunny | 70°21° (likely 68°20° to 71°22°) | 70°21° | 5% | 12 mph19 km/h from S, gusts 25 mph40 km/h | 36% | 4% | 4 |
| Fri 12p | Sunny | 72°22° (likely 71°22° to 75°24°) | 72°22° | 0% | 12 mph19 km/h from SSW, gusts 26 mph41 km/h | 31% | 1% | 5 |
| Fri 1p | Sunny | 74°23° (likely 73°23° to 77°25°) | 74°23° | 0% | 13 mph21 km/h from SSW, gusts 26 mph41 km/h | 26% | 0% | 5 |
| Fri 2p | Sunny | 76°24° (likely 74°23° to 77°25°) | 76°24° | 0% | 14 mph23 km/h from SSW, gusts 25 mph39 km/h | 22% | 0% | 5 |
| Fri 3p | Sunny | 76°24° (likely 75°24° to 78°26°) | 76°24° | 0% | 14 mph23 km/h from SSW, gusts 24 mph38 km/h | 21% | 1% | 4 |
| Fri 4p | Sunny | 77°25° (likely 75°24° to 77°25°) | 77°25° | 0% | 14 mph23 km/h from SW, gusts 26 mph42 km/h | 20% | 2% | 3 |
| Fri 5p | Mostly sunny | 74°23° (likely 73°23° to 75°24°) | 74°23° | 0% | 12 mph19 km/h from SW, gusts 25 mph40 km/h | 22% | 15% | 1 |
| Fri 6p | Mostly clear | 72°22° (likely 69°21° to 72°22°) | 72°22° | 0% | 9 mph14 km/h from SW, gusts 22 mph36 km/h | 24% | 30% | 0 |
| Fri 7p | Mostly clear | 69°21° (likely 65°18° to 69°21°) | 69°21° | 0% | 8 mph13 km/h from WSW, gusts 16 mph25 km/h | 28% | 34% | 0 |
| Fri 8p | Mostly clear | 64°18° (likely 61°16° to 65°18°) | 64°18° | 0% | 7 mph11 km/h from WSW, gusts 11 mph17 km/h | 34% | 78% | 0 |
| Fri 9p | Partly cloudy | 62°17° (likely 58°14° to 63°17°) | 62°17° | 0% | 6 mph10 km/h from W, gusts 12 mph19 km/h | 38% | 82% | 0 |
| Fri 10p | Cloudy | 59°15° (likely 56°13° to 60°16°) | 59°15° | 0% | 5 mph8 km/h from W, gusts 6 mph9 km/h | 42% | 89% | 0 |
| Fri 11p | Cloudy | 58°14° (likely 54°12° to 58°14°) | 58°14° | 0% | 5 mph8 km/h from W, gusts 4 mph7 km/h | 45% | 87% | 0 |
| Sat 12a | Cloudy | 56°13° (likely 53°12° to 56°13°) | 56°13° | 0% | 5 mph8 km/h from WNW, gusts 4 mph7 km/h | 49% | 85% | 0 |
| Sat 1a | Mostly clear | 54°12° (likely 51°11° to 55°13°) | 54°12° | 0% | 3 mph5 km/h from W, gusts 5 mph8 km/h | 52% | 53% | 0 |
| Sat 2a | Partly cloudy | 53°12° (likely 48°9° to 53°12°) | 53°12° | 0% | 3 mph5 km/h from WNW, gusts 7 mph11 km/h | 54% | 58% | 0 |
| Sat 3a | Cloudy | 52°11° (likely 46°8° to 52°11°) | 52°11° | 0% | 3 mph5 km/h from W, gusts 6 mph9 km/h | 54% | 62% | 0 |
| Sat 4a | Cloudy | 52°11° (likely 45°7° to 52°11°) | 52°11° | 0% | 3 mph5 km/h from WNW, gusts 6 mph10 km/h | 54% | 63% | 0 |
| Sat 5a | Cloudy | 51°11° (likely 45°7° to 51°11°) | 51°11° | 0% | 3 mph5 km/h from NW, gusts 6 mph9 km/h | 59% | 66% | 0 |
| Sat 6a | Cloudy | 50°10° (likely 45°7° to 50°10°) | 49°9° | 10% | 3 mph5 km/h from N, gusts 5 mph9 km/h | 56% | 74% | 0 |
| Sat 7a | Mostly cloudy | 49°9° (likely 46°8° to 49°9°) | 47°8° | 10% | 6 mph10 km/h from N, gusts 6 mph9 km/h | 58% | 73% | 0 |
| Sat 8a | Mostly cloudy | 49°9° (likely 47°8° to 50°10°) | 46°8° | 10% | 7 mph11 km/h from N, gusts 6 mph10 km/h | 61% | 58% | 0 |
| Sat 9a | Cloudy | 52°11° (likely 48°9° to 52°11°) | 52°11° | 10% | 9 mph14 km/h from NNE, gusts 13 mph21 km/h | 54% | 82% | 1 |
| Sat 10a | Cloudy | 53°12° (likely 48°9° to 54°12°) | 53°12° | 10% | 9 mph14 km/h from NNE, gusts 14 mph22 km/h | 52% | 82% | 2 |
| Sat 11a | Cloudy | 52°11° (likely 48°9° to 54°12°) | 52°11° | 10% | 9 mph14 km/h from NE, gusts 12 mph20 km/h | 52% | 83% | 3 |
| Sat 12p | Cloudy | 53°12° (likely 48°9° to 53°12°) | 53°12° | 20% | 8 mph13 km/h from NE, gusts 13 mph21 km/h | 48% | 78% | 4 |
| Sat 1p | Cloudy | 53°12° (likely 49°9° to 53°12°) | 53°12° | 20% | 9 mph14 km/h from NE, gusts 12 mph19 km/h | 48% | 77% | 5 |
| Sat 2p | Cloudy | 54°12° (likely 50°10° to 54°12°) | 54°12° | 20% | 8 mph13 km/h from NE, gusts 13 mph20 km/h | 45% | 84% | 5 |
| Sat 3p | Cloudy | 53°12° (likely 50°10° to 55°13°) | 53°12° | 20% | 8 mph13 km/h from NE, gusts 11 mph18 km/h | 46% | 91% | 3 |
| Sat 4p | Cloudy | 53°12° (likely 49°9° to 54°12°) | 53°12° | 20% | 7 mph11 km/h from NE, gusts 10 mph16 km/h | 45% | 94% | 2 |
| Sat 5p | Cloudy | 53°12° (likely 48°9° to 53°12°) | 53°12° | 20% | 6 mph10 km/h from ENE, gusts 10 mph16 km/h | 45% | 98% | 1 |
| Sat 6p | Drizzle | 51°11° (likely 44°7° to 51°11°) | 51°11° | 50%, 0.02 in0.5 mm | 5 mph8 km/h from ENE, gusts 9 mph15 km/h | 46% | 100% | 0 |
| Sat 7p | Showers | 49°9° (likely 43°6° to 49°9°) | 47°8° | 50%, 0.02 in0.5 mm | 5 mph8 km/h from ENE, gusts 6 mph9 km/h | 54% | 96% | 0 |
| Sat 8p | Drizzle | 48°9° (likely 42°6° to 48°9°) | 46°8° | 50%, 0.02 in0.5 mm | 5 mph8 km/h from E, gusts 5 mph9 km/h | 58% | 98% | 0 |
| Sat 9p | Cloudy | 47°8° (likely 41°5° to 47°8°) | 46°8° | 50%, 0.02 in0.5 mm | 3 mph5 km/h from E, gusts 5 mph8 km/h | 63% | 90% | 0 |
| Sat 10p | Cloudy | 46°8° (likely 41°5° to 46°8°) | 45°7° | 50%, 0.02 in0.5 mm | 3 mph5 km/h from E, gusts 4 mph7 km/h | 68% | 93% | 0 |
| Sat 11p | Cloudy | 46°8° (likely 40°4° to 46°8°) | 46°8° | 50%, 0.02 in0.5 mm | 2 mph3 km/h from E, gusts 5 mph8 km/h | 68% | 90% | 0 |
| Sun 12a | Cloudy | 45°7° (likely 39°4° to 45°7°) | 45°7° | 40% | 2 mph3 km/h from E, gusts 5 mph8 km/h | 70% | 88% | 0 |
| Sun 1a | Partly cloudy | 44°7° (likely 38°3° to 44°7°) | 44°7° | 40% | 2 mph3 km/h from E, gusts 5 mph8 km/h | 73% | 75% | 0 |
| Sun 2a | Showers | 43°6° (likely 38°3° to 44°7°) | 43°6° | 40% | 1 mph2 km/h from E, gusts 5 mph8 km/h | 79% | 72% | 0 |
| Sun 3a | Showers | 42°6° (likely 38°3° to 43°6°) | 42°6° | 40% | 1 mph2 km/h from E, gusts 5 mph8 km/h | 82% | 71% | 0 |
| Sun 4a | Showers | 42°6° (likely 36°2° to 44°7°) | 42°6° | 40% | 1 mph2 km/h from E, gusts 6 mph9 km/h | 82% | 62% | 0 |
| Sun 5a | Showers | 42°6° (likely 35°2° to 44°7°) | 42°6° | 40% | 1 mph2 km/h from NE, gusts 6 mph9 km/h | 86% | 62% | 0 |
| Sun 6a | Cloudy | 43°6° (likely 34°1° to 44°7°) | 43°6° | 20% | 1 mph2 km/h from NNE, gusts 5 mph8 km/h | 82% | 68% | 0 |
| Sun 7a | Showers | 43°6° (likely 32°0° to 46°8°) | 43°6° | 20% | 2 mph3 km/h from NNE, gusts 4 mph6 km/h | 86% | 55% | 0 |
| Sun 8a | Showers | 44°7° (likely 31°−1° to 45°7°) | 42°6° | 20% | 3 mph5 km/h from NNE, gusts 4 mph6 km/h | 86% | 61% | 0 |
| Sun 9a | Showers | 45°7° (likely 35°2° to 46°8°) | 43°6° | 20% | 5 mph8 km/h from N, gusts 4 mph6 km/h | 82% | 53% | 1 |
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: Sunny. High near 77, with temperatures falling to around 74 in the afternoon. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Tonight: Partly cloudy. Low around 48, with temperatures rising to around 51 overnight. West wind 3 to 9 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
50% chance · 0.12 in3 mm
Overnight
midnight–6 AM
40% chance
Official NWS forecast
Day: A slight chance of rain showers after noon. Partly sunny. High near 55, with temperatures falling to around 53 in the afternoon. North northeast wind 3 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Night: A chance of rain showers. Mostly cloudy, with a low around 40. East northeast wind 1 to 5 mph. Chance of precipitation is 50%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
60% chance · 0.1 in2.4 mm
Overnight
midnight–6 AM
50% chance · 0.04 in0.9 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers. Mostly cloudy, with a high near 57. North northeast wind 1 to 7 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
Night: A chance of rain showers. Mostly cloudy, with a low around 42. Chance of precipitation is 50%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
40% chance · 0.03 in0.6 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 chance of rain showers. Partly sunny, with a high near 58.
Night: Partly cloudy, with a low around 39.
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
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 64.
Night: Mostly clear, with a low around 41.
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
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 64.
Night: Partly cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 64°18°).
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 61.
Night: Mostly cloudy, with a low around 40.
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
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
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.
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
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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Dry, high 77°, low 48°.
Dry, high 55°, low 40°, cooling off.
Dry, high 57°, low 42°.
Mostly dry, highs 58–64°.
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 7:48 AM · NWS gauge page
Reading from Fri 8 AM · NWS gauge page
Reading from Fri 8:50 AM · NWS gauge page
Reading from Fri 7:45 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 81% 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 3 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 36°F).
Today, 11:00 AM–9:00 PM
Good stretch to open the windows.
Today’s expected high is 13°7° warmer than typical.
On average 11°6° warmer than normal (daily mean temperature).
Shaw Heights weather by month: normals, records, snow and freeze dates
Sunrise 7:19 AM, sunset 6:09 PM.
Clouds most of the night (about 66% cover).
Waxing gibbous
92% lit · growing
UniColorado Heating & Cooling installs heat pumps, furnaces and air conditioning across the Front Range. 12,000+ heat pumps installed since 2014.