Portneuf River at Topaz
14 mi- Level
- 2.6 ft
- Flow
- 93 cfs
Forecast peak 2.8 ft Sun 12 AM
Reading from Sat 2:15 PM · NWS gauge page
Appearance
Observed 3:40 PM MDT at KPIH
Sunny and 48°9°, freeze watch tonight, low 24°−4°.
Today: low 21°−6° (likely 21°−6° to 38°3°), high 54°12° (likely 50°10° to 54°12°).
Now 48°9°
Sunny
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 4p | Mostly sunny | 54°12° (likely 50°10° to 54°12°) | 54°12° | 0% | 5 mph8 km/h from NNW, gusts 7 mph12 km/h | 59% | 26% | 2 |
| Sat 5p | Mostly sunny | 53°12° (likely 50°10° to 53°12°) | 53°12° | 0% | 6 mph10 km/h from NNW, gusts 7 mph12 km/h | 60% | 21% | 1 |
| Sat 6p | Sunny | 51°11° (likely 47°8° to 51°11°) | 51°11° | 0% | 5 mph8 km/h from NNW, gusts 10 mph16 km/h | 71% | 10% | 1 |
| Sat 7p | Clear | 46°8° (likely 43°6° to 47°8°) | 45°7° | 0% | 3 mph5 km/h from NNW, gusts 11 mph18 km/h | 84% | 6% | 0 |
| Sat 8p | Clear | 42°6° (likely 40°4° to 44°7°) | 40°4° | 0% | 3 mph5 km/h from NW, gusts 9 mph15 km/h | 89% | 3% | 0 |
| Sat 9p | Clear | 40°4° (likely 38°3° to 41°5°) | 37°3° | 0% | 5 mph8 km/h from NNW, gusts 4 mph7 km/h | 96% | 0% | 0 |
| Sat 10p | Clear | 38°3° (likely 37°3° to 40°4°) | 36°2° | 0% | 3 mph5 km/h from N, gusts 3 mph5 km/h | 100% | 2% | 0 |
| Sat 11p | Clear | 36°2° (likely 36°2° to 39°4°) | 36°2° | 0% | 2 mph3 km/h from NNE, gusts 3 mph5 km/h | 100% | 3% | 0 |
| Sun 12a | Clear | 35°2° (likely 35°2° to 38°3°) | 35°2° | 0% | 2 mph3 km/h from NNE, gusts 2 mph4 km/h | 100% | 4% | 0 |
| Sun 1a | Clear | 34°1° (likely 34°1° to 37°3°) | 34°1° | 0% | 1 mph2 km/h from N, gusts 2 mph3 km/h | 100% | 6% | 0 |
| Sun 2a | Clear | 32°0° (likely 32°0° to 37°3°) | 32°0° | 0% | 1 mph2 km/h from N, gusts 2 mph3 km/h | 100% | 8% | 0 |
| Sun 3a | Clear | 31°−1° (likely 31°−1° to 37°3°) | 31°−1° | 0% | 1 mph2 km/h from N, gusts 2 mph3 km/h | 100% | 10% | 0 |
| Sun 4a | Mostly clear | 28°−2° (likely 28°−2° to 36°2°) | 28°−2° | 0% | 1 mph2 km/h from NNE, gusts 2 mph4 km/h | 100% | 19% | 0 |
| Sun 5a | Mostly clear | 28°−2° (likely 28°−2° to 36°2°) | 28°−2° | 0% | 1 mph2 km/h from N, gusts 2 mph3 km/h | 100% | 24% | 0 |
| Sun 6a | Clear | 26°−3° (likely 26°−3° to 36°2°) | 26°−3° | 0% | 1 mph2 km/h from N, gusts 2 mph3 km/h | 100% | 21% | 0 |
| Sun 7a | Mostly clear | 24°−4° (likely 24°−4° to 36°2°) | 24°−4° | 0% | 1 mph2 km/h from NE, gusts 2 mph3 km/h | 100% | 55% | 0 |
| Sun 8a | Partly sunny | 26°−3° (likely 26°−3° to 36°2°) | 26°−3° | 0% | 1 mph2 km/h from SE, gusts 1 mph2 km/h | 100% | 53% | 0 |
| Sun 9a | Mostly sunny | 31°−1° (likely 31°−1° to 37°3°) | 31°−1° | 0% | 1 mph2 km/h from ESE, gusts 1 mph2 km/h | 100% | 51% | 0 |
| Sun 10a | Mostly sunny | 38°3° (likely 38°3° to 42°6°) | 38°3° | 0% | 1 mph2 km/h from SW, gusts 2 mph2 km/h | 95% | 47% | 1 |
| Sun 11a | Mostly sunny | 46°8° (likely 43°6° to 48°9°) | 46°8° | 0% | 1 mph2 km/h from S, gusts 2 mph3 km/h | 76% | 18% | 2 |
| Sun 12p | Sunny | 51°11° (likely 48°9° to 52°11°) | 51°11° | 0% | 1 mph2 km/h from S, gusts 2 mph4 km/h | 64% | 1% | 4 |
| Sun 1p | Sunny | 53°12° (likely 51°11° to 55°13°) | 53°12° | 0% | 1 mph2 km/h from S, gusts 3 mph4 km/h | 58% | 1% | 4 |
| Sun 2p | Sunny | 55°13° (likely 53°12° to 57°14°) | 55°13° | 0% | 2 mph3 km/h from S, gusts 3 mph6 km/h | 53% | 0% | 4 |
| Sun 3p | Sunny | 55°13° (likely 54°12° to 58°14°) | 55°13° | 0% | 3 mph5 km/h from S, gusts 4 mph6 km/h | 52% | 0% | 4 |
| Sun 4p | Sunny | 55°13° (likely 55°13° to 57°14°) | 55°13° | 0% | 5 mph8 km/h from S, gusts 4 mph7 km/h | 53% | 2% | 3 |
| Sun 5p | Sunny | 55°13° (likely 53°12° to 57°14°) | 55°13° | 0% | 5 mph8 km/h from S, gusts 5 mph7 km/h | 56% | 1% | 2 |
| Sun 6p | Sunny | 51°11° (likely 50°10° to 54°12°) | 51°11° | 0% | 3 mph5 km/h from SSE, gusts 5 mph9 km/h | 70% | 1% | 1 |
| Sun 7p | Clear | 48°9° (likely 46°8° to 50°10°) | 47°8° | 0% | 3 mph5 km/h from SSE, gusts 6 mph10 km/h | 81% | 2% | 0 |
| Sun 8p | Clear | 46°8° (likely 43°6° to 47°8°) | 45°7° | 0% | 3 mph5 km/h from SSE, gusts 8 mph13 km/h | 85% | 31% | 0 |
| Sun 9p | Clear | 42°6° (likely 42°6° to 45°7°) | 38°3° | 0% | 6 mph10 km/h from SE, gusts 8 mph14 km/h | 91% | 40% | 0 |
| Sun 10p | Clear | 40°4° (likely 40°4° to 44°7°) | 36°2° | 0% | 6 mph10 km/h from SE, gusts 7 mph11 km/h | 96% | 40% | 0 |
| Sun 11p | Mostly clear | 38°3° (likely 38°3° to 44°7°) | 34°1° | 0% | 6 mph10 km/h from SE, gusts 7 mph11 km/h | 100% | 47% | 0 |
| Mon 12a | Partly cloudy | 37°3° (likely 37°3° to 43°6°) | 33°1° | 0% | 5 mph8 km/h from SE, gusts 7 mph11 km/h | 100% | 49% | 0 |
| Mon 1a | Partly cloudy | 36°2° (likely 36°2° to 42°6°) | 32°0° | 0% | 5 mph8 km/h from SE, gusts 7 mph11 km/h | 100% | 51% | 0 |
| Mon 2a | Partly cloudy | 35°2° (likely 35°2° to 42°6°) | 31°−1° | 0% | 5 mph8 km/h from SE, gusts 8 mph12 km/h | 100% | 55% | 0 |
| Mon 3a | Mostly clear | 32°0° (likely 32°0° to 42°6°) | 27°−3° | 0% | 5 mph8 km/h from ESE, gusts 8 mph12 km/h | 100% | 48% | 0 |
| Mon 4a | Mostly clear | 31°−1° (likely 31°−1° to 42°6°) | 26°−3° | 0% | 5 mph8 km/h from ESE, gusts 8 mph13 km/h | 100% | 49% | 0 |
| Mon 5a | Mostly clear | 31°−1° (likely 31°−1° to 41°5°) | 26°−3° | 0% | 5 mph8 km/h from ESE, gusts 9 mph15 km/h | 100% | 54% | 0 |
| Mon 6a | Partly cloudy | 28°−2° (likely 28°−2° to 42°6°) | 21°−6° | 0% | 7 mph11 km/h from SE, gusts 10 mph16 km/h | 100% | 73% | 0 |
| Mon 7a | Partly cloudy | 30°−1° (likely 30°−1° to 42°6°) | 23°−5° | 0% | 7 mph11 km/h from SE, gusts 10 mph16 km/h | 100% | 74% | 0 |
| Mon 8a | Partly sunny | 32°0° (likely 32°0° to 43°6°) | 26°−3° | 0% | 7 mph11 km/h from SE, gusts 10 mph17 km/h | 100% | 73% | 0 |
| Mon 9a | Partly sunny | 35°2° (likely 35°2° to 44°7°) | 28°−2° | 0% | 9 mph14 km/h from SE, gusts 10 mph16 km/h | 100% | 72% | 0 |
| Mon 10a | Partly sunny | 41°5° (likely 41°5° to 48°9°) | 35°2° | 0% | 9 mph14 km/h from SE, gusts 12 mph19 km/h | 91% | 47% | 1 |
| Mon 11a | Sunny | 48°9° (likely 48°9° to 51°11°) | 44°7° | 0% | 9 mph14 km/h from SE, gusts 13 mph21 km/h | 79% | 22% | 2 |
| Mon 12p | Sunny | 53°12° (likely 53°12° to 55°13°) | 53°12° | 0% | 13 mph21 km/h from S, gusts 15 mph24 km/h | 68% | 18% | 3 |
| Mon 1p | Mostly sunny | 56°13° (likely 55°13° to 58°14°) | 56°13° | 0% | 13 mph21 km/h from S, gusts 18 mph30 km/h | 61% | 18% | 4 |
| Mon 2p | Mostly sunny | 56°13° (likely 55°13° to 59°15°) | 56°13° | 0% | 13 mph21 km/h from S, gusts 20 mph33 km/h | 57% | 29% | 4 |
| Mon 3p | Mostly sunny | 56°13° (likely 56°13° to 59°15°) | 56°13° | 0% | 17 mph27 km/h from S, gusts 22 mph35 km/h | 56% | 47% | 4 |
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: Sunny, with a high near 54. North northwest wind around 6 mph.
Tonight: Mostly clear. Low around 21, with temperatures rising to around 28 overnight. North wind 1 to 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
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Day: Sunny, with a high near 55. South southeast wind 1 to 5 mph.
Night: Mostly clear, with a low around 25. Southeast wind around 6 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
60% chance · 0.3 in0.7 cm
Overnight
midnight–6 AM
70% chance · 0.1 in0.3 cm
Official NWS forecast
Day: Mostly sunny, with a high near 56. South southeast wind 7 to 17 mph, with gusts as high as 29 mph.
Night: Rain. Mostly cloudy, with a low around 24. Chance of precipitation is 80%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
40% chance
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 and snow. Partly sunny, with a high near 48. Chance of precipitation is 40%.
Night: Partly cloudy, with a low around 21.
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 54.
Night: Partly cloudy, with a low around 25.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
30% chance
Overnight
midnight–6 AM
40% chance · 0.03 in0.9 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 57.
Night: A chance of rain. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
50% chance · 0.02 in0.6 mm
Afternoon
noon–6 PM
50% chance · 0.08 in2 mm
Evening
6 PM–midnight
40% chance · 0.08 in2 mm
Overnight
midnight–6 AM
40% chance · 0.05 in1.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
Night: A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
30% chance · 0.05 in1.3 mm
Afternoon
noon–6 PM
30% chance · 0.05 in1.3 mm
Evening
6 PM–midnight
30% chance · 0.2 in0.5 cm
Overnight
midnight–6 AM
20% chance · 0.06 in1.5 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
20% chance
Evening
6 PM–midnight
30% chance
Overnight
midnight–6 AM
20% 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
30% chance
Evening
6 PM–midnight
20% 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Dry, high 54°, low 21°.
Dry, high 55°, low 25°.
Dry, high 56°, low 24°.
Highs 42–57°; chance of precipitation on Friday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (PIH) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Forecast peak 2.8 ft Sun 12 AM
Reading from Sat 2:15 PM · NWS gauge page
Reading from Sat 2:15 PM · NWS gauge page
Reading from Sat 2 PM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
Tonight’s low: 24°−4°
Overnight low near 24°F — not yet at drip-the-faucets cold, but worth watching if it's forecast to drop further.
About 71% 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 26 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 36°F).
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Today’s expected high is 4°2° colder than typical.
On average 7°4° warmer than normal (daily mean temperature).
Downey weather by month: normals, records, snow and freeze dates
Sunrise 7:52 AM, sunset 6:32 PM.
Mostly clear 7:01 PM–7 AM, but the moon is 99% lit and up.
Waxing gibbous
98% lit · growing