Arkansas River at Portland
4.6 mi- Level
- 1.9 ft
- Flow
- 571 cfs
Reading from Sat 2:15 PM · NWS gauge page
Appearance
Observed 3:15 PM MDT at K1V6
Foggy and 48°9°, rain ~4–8 PM (90%).
Today: low 39°4° (likely 39°4° to 47°8°), high 60°16° (likely 60°16° to 65°18°).
Now 48°9°
Fog · Feels like 44°7°
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 3p | Rain | 55°13° (likely 51°11° to 58°14°) | 55°13° | 60%, 0.19 in4.8 mm | 15 mph24 km/h from E, gusts 24 mph38 km/h | 57% | 99% | 2 |
| Sat 4p | Drizzle | 55°13° (likely 49°9° to 56°13°) | 55°13° | 90%, 0.19 in4.8 mm | 15 mph24 km/h from ESE, gusts 19 mph31 km/h | 59% | 99% | 0 |
| Sat 5p | Rain | 50°10° (likely 48°9° to 53°12°) | 45°7° | 70%, 0.19 in4.8 mm | 15 mph24 km/h from ESE, gusts 17 mph28 km/h | 74% | 100% | 0 |
| Sat 6p | Drizzle | 49°9° (likely 46°8° to 51°11°) | 45°7° | 90%, 0.1 in2.5 mm | 10 mph16 km/h from ESE, gusts 16 mph26 km/h | 80% | 100% | 0 |
| Sat 7p | Rain | 48°9° (likely 45°7° to 49°9°) | 44°7° | 80%, 0.1 in2.5 mm | 10 mph16 km/h from ESE, gusts 13 mph21 km/h | 86% | 99% | 0 |
| Sat 8p | Rain | 46°8° (likely 45°7° to 48°9°) | 41°5° | 50%, 0.1 in2.5 mm | 10 mph16 km/h from ESE, gusts 12 mph19 km/h | 93% | 97% | 0 |
| Sat 9p | Rain | 46°8° (likely 44°7° to 47°8°) | 42°6° | 30%, 0.1 in2.5 mm | 10 mph16 km/h from SE, gusts 10 mph16 km/h | 93% | 98% | 0 |
| Sat 10p | Rain | 46°8° (likely 44°7° to 47°8°) | 42°6° | 20%, 0.1 in2.5 mm | 5 mph8 km/h from SE, gusts 6 mph9 km/h | 89% | 98% | 0 |
| Sat 11p | Cloudy | 45°7° (likely 44°7° to 47°8°) | 43°6° | 10%, 0.1 in2.5 mm | 5 mph8 km/h from SE, gusts 4 mph6 km/h | 93% | 97% | 0 |
| Sun 12a | Cloudy | 45°7° (likely 43°6° to 47°8°) | 44°7° | 60%, 0.06 in1.5 mm | 5 mph8 km/h from SE, gusts 3 mph6 km/h | 93% | 98% | 0 |
| Sun 1a | Cloudy | 45°7° (likely 43°6° to 46°8°) | 45°7° | 70%, 0.06 in1.5 mm | 0 mph0 km/h, gusts 3 mph5 km/h | 93% | 98% | 0 |
| Sun 2a | Cloudy | 45°7° (likely 43°6° to 46°8°) | 45°7° | 50%, 0.06 in1.5 mm | 0 mph0 km/h, gusts 3 mph5 km/h | 89% | 98% | 0 |
| Sun 3a | Cloudy | 43°6° (likely 43°6° to 46°8°) | 43°6° | 30%, 0.06 in1.5 mm | 0 mph0 km/h, gusts 4 mph6 km/h | 96% | 98% | 0 |
| Sun 4a | Rain | 44°7° (likely 43°6° to 45°7°) | 44°7° | 30%, 0.06 in1.5 mm | 0 mph0 km/h, gusts 4 mph7 km/h | 93% | 96% | 0 |
| Sun 5a | Cloudy | 44°7° (likely 42°6° to 45°7°) | 44°7° | 20%, 0.06 in1.5 mm | 0 mph0 km/h, gusts 4 mph6 km/h | 93% | 94% | 0 |
| Sun 6a | Cloudy | 41°5° (likely 41°5° to 45°7°) | 41°5° | 20%, 0.01 in0.3 mm | 0 mph0 km/h, gusts 4 mph6 km/h | 100% | 88% | 0 |
| Sun 7a | Cloudy | 43°6° (likely 40°4° to 45°7°) | 43°6° | 20%, 0.01 in0.3 mm | 0 mph0 km/h, gusts 3 mph5 km/h | 93% | 80% | 0 |
| Sun 8a | Cloudy | 43°6° (likely 40°4° to 45°7°) | 43°6° | 5%, 0.01 in0.3 mm | 0 mph0 km/h, gusts 2 mph4 km/h | 96% | 70% | 0 |
| Sun 9a | Mostly cloudy | 46°8° (likely 42°6° to 46°8°) | 46°8° | 5%, 0.01 in0.3 mm | 0 mph0 km/h, gusts 2 mph4 km/h | 89% | 62% | 1 |
| Sun 10a | Mostly cloudy | 51°11° (likely 45°7° to 51°11°) | 51°11° | 5%, 0.01 in0.3 mm | 0 mph0 km/h, gusts 4 mph6 km/h | 74% | 58% | 2 |
| Sun 11a | Mostly cloudy | 53°12° (likely 48°9° to 53°12°) | 53°12° | 10%, 0.01 in0.3 mm | 5 mph8 km/h from ESE, gusts 5 mph8 km/h | 71% | 57% | 3 |
| Sun 12p | Partly sunny | 54°12° (likely 49°9° to 54°12°) | 54°12° | 10% | 5 mph8 km/h from ESE, gusts 6 mph10 km/h | 69% | 57% | 4 |
| Sun 1p | Showers | 56°13° (likely 50°10° to 57°14°) | 56°13° | 20% | 5 mph8 km/h from ESE, gusts 6 mph10 km/h | 64% | 57% | 5 |
| Sun 2p | Showers | 57°14° (likely 50°10° to 59°15°) | 57°14° | 20% | 5 mph8 km/h from SE, gusts 10 mph16 km/h | 64% | 73% | 5 |
| Sun 3p | Rain | 57°14° (likely 49°9° to 59°15°) | 57°14° | 10% | 10 mph16 km/h from ESE, gusts 8 mph13 km/h | 64% | 61% | 4 |
| Sun 4p | Cloudy | 58°14° (likely 49°9° to 59°15°) | 58°14° | 20% | 10 mph16 km/h from SE, gusts 7 mph11 km/h | 62% | 69% | 3 |
| Sun 5p | Cloudy | 56°13° (likely 49°9° to 58°14°) | 56°13° | 40% | 5 mph8 km/h from ESE, gusts 9 mph14 km/h | 66% | 67% | 1 |
| Sun 6p | Cloudy | 57°14° (likely 49°9° to 57°14°) | 57°14° | 40%, 0.01 in0.3 mm | 5 mph8 km/h from E, gusts 8 mph13 km/h | 67% | 78% | 0 |
| Sun 7p | Cloudy | 54°12° (likely 48°9° to 54°12°) | 54°12° | 30%, 0.01 in0.3 mm | 5 mph8 km/h from SE, gusts 6 mph10 km/h | 74% | 89% | 0 |
| Sun 8p | Cloudy | 51°11° (likely 48°9° to 52°11°) | 51°11° | 50%, 0.01 in0.3 mm | 5 mph8 km/h from ESE, gusts 6 mph9 km/h | 86% | 92% | 0 |
| Sun 9p | Drizzle | 50°10° (likely 48°9° to 51°11°) | 48°9° | 40%, 0.01 in0.3 mm | 5 mph8 km/h from W, gusts 7 mph10 km/h | 89% | 93% | 0 |
| Sun 10p | Cloudy | 48°9° (likely 47°8° to 51°11°) | 46°8° | 40%, 0.01 in0.3 mm | 5 mph8 km/h from SW, gusts 5 mph7 km/h | 93% | 92% | 0 |
| Sun 11p | Cloudy | 47°8° (likely 46°8° to 50°10°) | 45°7° | 20%, 0.01 in0.3 mm | 5 mph8 km/h from W, gusts 9 mph14 km/h | 93% | 91% | 0 |
| Mon 12a | Clear | 46°8° (likely 45°7° to 50°10°) | 43°6° | 10%, 0.01 in0.3 mm | 5 mph8 km/h from W, gusts 6 mph9 km/h | 93% | 33% | 0 |
| Mon 1a | Partly cloudy | 46°8° (likely 44°7° to 49°9°) | 43°6° | 0%, 0.01 in0.3 mm | 5 mph8 km/h from W, gusts 4 mph7 km/h | 89% | 40% | 0 |
| Mon 2a | Mostly clear | 45°7° (likely 43°6° to 48°9°) | 42°6° | 0%, 0.01 in0.3 mm | 5 mph8 km/h from W, gusts 6 mph9 km/h | 86% | 43% | 0 |
| Mon 3a | Mostly clear | 44°7° (likely 42°6° to 47°8°) | 40°4° | 0%, 0.01 in0.3 mm | 5 mph8 km/h from WNW, gusts 6 mph10 km/h | 86% | 39% | 0 |
| Mon 4a | Clear | 42°6° (likely 41°5° to 46°8°) | 38°3° | 0%, 0.01 in0.3 mm | 5 mph8 km/h from W, gusts 6 mph10 km/h | 89% | 19% | 0 |
| Mon 5a | Clear | 42°6° (likely 40°4° to 44°7°) | 37°3° | 0%, 0.01 in0.3 mm | 10 mph16 km/h from W, gusts 6 mph10 km/h | 86% | 8% | 0 |
| Mon 6a | Mostly clear | 41°5° (likely 39°4° to 44°7°) | 36°2° | 0% | 10 mph16 km/h from W, gusts 8 mph12 km/h | 86% | 10% | 0 |
| Mon 7a | Sunny | 39°4° (likely 38°3° to 44°7°) | 33°1° | 0% | 10 mph16 km/h from W, gusts 9 mph14 km/h | 89% | 40% | 0 |
| Mon 8a | Sunny | 41°5° (likely 40°4° to 45°7°) | 35°2° | 0% | 10 mph16 km/h from W, gusts 10 mph16 km/h | 82% | 40% | 0 |
| Mon 9a | Sunny | 45°7° (likely 42°6° to 49°9°) | 39°4° | 0% | 10 mph16 km/h from W, gusts 8 mph13 km/h | 73% | 36% | 1 |
| Mon 10a | Mostly sunny | 50°10° (likely 47°8° to 55°13°) | 46°8° | 0% | 10 mph16 km/h from W, gusts 15 mph23 km/h | 61% | 14% | 2 |
| Mon 11a | Sunny | 55°13° (likely 52°11° to 59°15°) | 55°13° | 0% | 10 mph16 km/h from W, gusts 14 mph23 km/h | 49% | 0% | 4 |
| Mon 12p | Sunny | 60°16° (likely 55°13° to 63°17°) | 60°16° | 0% | 10 mph16 km/h from W, gusts 15 mph23 km/h | 39% | 1% | 5 |
| Mon 1p | Sunny | 63°17° (likely 60°16° to 65°18°) | 63°17° | 0% | 10 mph16 km/h from W, gusts 15 mph25 km/h | 34% | 1% | 5 |
| Mon 2p | Sunny | 64°18° (likely 62°17° to 67°19°) | 64°18° | 0% | 10 mph16 km/h from SW, gusts 14 mph22 km/h | 33% | 3% | 5 |
Afternoon
noon–6 PM
90% chance · 0.57 in14 mm
Evening
6 PM–midnight
90% chance · 0.6 in15 mm
Overnight
midnight–6 AM
70% chance · 0.36 in9.1 mm
Official NWS forecast
Today: Rain. Cloudy, with a high near 60. East southeast wind around 15 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Tonight: Rain. Cloudy, with a low around 39. East southeast wind 0 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
40% chance
Evening
6 PM–midnight
50% chance · 0.06 in1.5 mm
Overnight
midnight–6 AM
Dry
Official NWS forecast
Day: A slight chance of rain showers before 3pm, then a slight chance of showers and thunderstorms between 3pm and 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 59. East southeast wind 0 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms between 11pm and midnight. Partly cloudy, with a low around 38. West southwest wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
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
Official NWS forecast
Day: Sunny, with a high near 65. Southwest wind 5 to 10 mph.
Night: Mostly clear, with a low around 36. North northwest wind 5 to 10 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
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 69. West wind 10 to 20 mph.
Night: Clear, with a low around 38. West wind 10 to 15 mph.
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: Sunny, with a high near 69. West wind 10 to 15 mph.
Night: Mostly clear, with a low around 39. West wind 5 to 15 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
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 70. West southwest wind 10 to 15 mph.
Night: Mostly cloudy, with a low around 43. West wind 5 to 15 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
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 69. West wind 10 to 15 mph.
Night: Partly cloudy, with a low around 42. West wind 5 to 15 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
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
20% chance
Overnight
midnight–6 AM
30% chance
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
20% chance
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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
88% chance of rain, high 60°, low 39°.
39% chance of rain, high 59°, low 38°.
Dry, high 65°, low 36°, warming up.
Mostly dry, highs 61–70°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (PUB) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Reading from Sat 2:15 PM · NWS gauge page
Reading from Sat 2:15 PM · NWS gauge page
Reading from Sat 2:45 PM · NWS gauge page
Reading from Sat 2:15 PM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 73% 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 45°F).
Mon, 12:00 PM–2:00 PM
Good stretch to open the windows (air quality forecast not available for part of this window).
Today’s expected high is 6°3° colder than typical.
On average 11°6° warmer than normal (daily mean temperature).
Florence weather by month: normals, records, snow and freeze dates
Sunrise 7:18 AM, sunset 6:10 PM.
Clouds most of the night (about 97% cover).
Waxing gibbous
98% lit · growing
UniColorado Heating & Cooling installs heat pumps, furnaces and air conditioning across the Front Range. 12,000+ heat pumps installed since 2014.