S. Santiam River at Waterloo
7.2 mi- Level
- 3.2 ft
- Flow
- 1,170 cfs
Forecast peak 3.2 ft Mon 5 PM
Reading from Sat 3:45 AM · NWS gauge page
Appearance
Ends in 4 h 51 min
Issued for this forecast zone · National Weather Service Portland OR
What
Sub-freezing temperatures expected.
Impacts
Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Precautionary actions
To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.
Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures.
Areas: North Oregon Coast Range Lowlands; North Oregon Coast Range; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills
See it on weather.gov (opens in a new tab)Model estimate for 5:00 AM PDT (no recent station report)
Freeze Warning. 35°2° and mostly clear now.
Today: low 33°1° (likely 33°1° to 38°3°), high 60°16° (likely 57°14° to 61°16°).
Now 35°2°
Mostly 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 5a | Mostly clear | 35°2° (likely 35°2° to 39°4°) | 35°2° | 0% | 1 mph2 km/h from SSW, gusts 4 mph7 km/h | 99% | 37% | 0 |
| Sat 6a | Cloudy | 35°2° (likely 35°2° to 39°4°) | 35°2° | 0% | 1 mph2 km/h from SW, gusts 4 mph6 km/h | 99% | 63% | 0 |
| Sat 7a | Partly cloudy | 33°1° (likely 33°1° to 38°3°) | 33°1° | 0% | 1 mph2 km/h from SSE, gusts 3 mph6 km/h | 99% | 62% | 0 |
| Sat 8a | Cloudy | 34°1° (likely 34°1° to 39°4°) | 34°1° | 0% | 1 mph2 km/h from S, gusts 3 mph5 km/h | 98% | 84% | 0 |
| Sat 9a | Cloudy | 36°2° (likely 36°2° to 43°6°) | 36°2° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 93% | 84% | 0 |
| Sat 10a | Cloudy | 43°6° (likely 43°6° to 50°10°) | 43°6° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 81% | 78% | 1 |
| Sat 11a | Partly sunny | 48°9° (likely 48°9° to 54°12°) | 48°9° | 0% | 1 mph2 km/h from WNW, gusts 4 mph6 km/h | 68% | 72% | 2 |
| Sat 12p | Cloudy | 52°11° (likely 52°11° to 56°13°) | 52°11° | 0% | 1 mph2 km/h from WNW, gusts 5 mph8 km/h | 61% | 65% | 3 |
| Sat 1p | Cloudy | 56°13° (likely 55°13° to 58°14°) | 56°13° | 0% | 2 mph3 km/h from WNW, gusts 5 mph9 km/h | 54% | 80% | 4 |
| Sat 2p | Cloudy | 58°14° (likely 57°14° to 59°15°) | 58°14° | 0% | 2 mph3 km/h from WNW, gusts 5 mph8 km/h | 51% | 80% | 3 |
| Sat 3p | Partly sunny | 59°15° (likely 57°14° to 61°16°) | 59°15° | 0% | 2 mph3 km/h from NW, gusts 5 mph8 km/h | 49% | 70% | 3 |
| Sat 4p | Cloudy | 60°16° (likely 57°14° to 61°16°) | 60°16° | 0% | 2 mph3 km/h from NW, gusts 5 mph7 km/h | 48% | 81% | 2 |
| Sat 5p | Cloudy | 58°14° (likely 56°13° to 61°16°) | 58°14° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 52% | 81% | 1 |
| Sat 6p | Cloudy | 55°13° (likely 53°12° to 56°13°) | 55°13° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 60% | 82% | 0 |
| Sat 7p | Cloudy | 52°11° (likely 50°10° to 53°12°) | 52°11° | 0% | 1 mph2 km/h from E, gusts 4 mph6 km/h | 72% | 83% | 0 |
| Sat 8p | Cloudy | 48°9° (likely 48°9° to 51°11°) | 48°9° | 0% | 1 mph2 km/h from SSE, gusts 6 mph9 km/h | 80% | 81% | 0 |
| Sat 9p | Cloudy | 47°8° (likely 47°8° to 49°9°) | 47°8° | 0% | 1 mph2 km/h from SSE, gusts 7 mph11 km/h | 80% | 81% | 0 |
| Sat 10p | Cloudy | 46°8° (likely 46°8° to 49°9°) | 46°8° | 0% | 2 mph3 km/h from SE, gusts 7 mph11 km/h | 81% | 81% | 0 |
| Sat 11p | Cloudy | 45°7° (likely 45°7° to 48°9°) | 44°7° | 0% | 3 mph5 km/h from SE, gusts 8 mph12 km/h | 85% | 81% | 0 |
| Sun 12a | Cloudy | 44°7° (likely 44°7° to 47°8°) | 42°6° | 0% | 3 mph5 km/h from SSE, gusts 8 mph13 km/h | 82% | 80% | 0 |
| Sun 1a | Cloudy | 43°6° (likely 43°6° to 47°8°) | 41°5° | 0% | 3 mph5 km/h from SSE, gusts 9 mph14 km/h | 82% | 82% | 0 |
| Sun 2a | Cloudy | 43°6° (likely 43°6° to 47°8°) | 41°5° | 0% | 3 mph5 km/h from SSE, gusts 9 mph15 km/h | 81% | 81% | 0 |
| Sun 3a | Cloudy | 41°5° (likely 41°5° to 47°8°) | 39°4° | 0% | 3 mph5 km/h from SSE, gusts 10 mph15 km/h | 79% | 77% | 0 |
| Sun 4a | Cloudy | 41°5° (likely 41°5° to 46°8°) | 38°3° | 0% | 5 mph8 km/h from SSE, gusts 9 mph14 km/h | 79% | 71% | 0 |
| Sun 5a | Cloudy | 41°5° (likely 41°5° to 46°8°) | 38°3° | 5% | 5 mph8 km/h from SSE, gusts 9 mph15 km/h | 78% | 66% | 0 |
| Sun 6a | Cloudy | 40°4° (likely 40°4° to 46°8°) | 37°3° | 5% | 5 mph8 km/h from SSE, gusts 11 mph18 km/h | 78% | 65% | 0 |
| Sun 7a | Mostly cloudy | 41°5° (likely 41°5° to 45°7°) | 38°3° | 0% | 5 mph8 km/h from SSE, gusts 12 mph20 km/h | 78% | 64% | 0 |
| Sun 8a | Partly sunny | 41°5° (likely 41°5° to 46°8°) | 38°3° | 0% | 5 mph8 km/h from SSE, gusts 12 mph20 km/h | 79% | 68% | 0 |
| Sun 9a | Partly sunny | 42°6° (likely 42°6° to 51°11°) | 39°4° | 0% | 5 mph8 km/h from SSE, gusts 12 mph19 km/h | 79% | 59% | 0 |
| Sun 10a | Partly sunny | 49°9° (likely 49°9° to 57°14°) | 47°8° | 10% | 5 mph8 km/h from SSE, gusts 16 mph25 km/h | 72% | 64% | 1 |
| Sun 11a | Mostly cloudy | 52°11° (likely 52°11° to 60°16°) | 52°11° | 0%, 0.21 in5.3 mm | 6 mph10 km/h from S, gusts 21 mph35 km/h | 65% | 71% | 2 |
| Sun 12p | Cloudy | 54°12° (likely 54°12° to 62°17°) | 54°12° | 10%, 0.21 in5.3 mm | 6 mph10 km/h from S, gusts 23 mph38 km/h | 61% | 88% | 3 |
| Sun 1p | Cloudy | 57°14° (likely 53°12° to 63°17°) | 57°14° | 30%, 0.21 in5.3 mm | 6 mph10 km/h from S, gusts 21 mph34 km/h | 59% | 100% | 3 |
| Sun 2p | Rain | 59°15° (likely 52°11° to 65°18°) | 59°15° | 50%, 0.21 in5.3 mm | 6 mph10 km/h from S, gusts 22 mph35 km/h | 59% | 100% | 3 |
| Sun 3p | Rain | 59°15° (likely 51°11° to 65°18°) | 59°15° | 60%, 0.21 in5.3 mm | 6 mph10 km/h from S, gusts 18 mph29 km/h | 59% | 60% | 3 |
| Sun 4p | Rain | 60°16° (likely 51°11° to 64°18°) | 60°16° | 60%, 0.21 in5.3 mm | 6 mph10 km/h from S, gusts 19 mph30 km/h | 61% | 60% | 2 |
| Sun 5p | Rain | 57°14° (likely 51°11° to 63°17°) | 57°14° | 70%, 0.11 in2.8 mm | 5 mph8 km/h from S, gusts 16 mph26 km/h | 68% | 60% | 1 |
| Sun 6p | Rain | 56°13° (likely 51°11° to 57°14°) | 56°13° | 70%, 0.11 in2.8 mm | 5 mph8 km/h from S, gusts 14 mph22 km/h | 73% | 58% | 0 |
| Sun 7p | Rain | 53°12° (likely 51°11° to 54°12°) | 53°12° | 70%, 0.11 in2.8 mm | 5 mph8 km/h from S, gusts 16 mph26 km/h | 81% | 95% | 0 |
| Sun 8p | Rain | 50°10° (likely 50°10° to 54°12°) | 48°9° | 70%, 0.11 in2.8 mm | 5 mph8 km/h from S, gusts 20 mph32 km/h | 90% | 84% | 0 |
| Sun 9p | Rain | 49°9° (likely 49°9° to 53°12°) | 47°8° | 70%, 0.11 in2.8 mm | 5 mph8 km/h from S, gusts 14 mph23 km/h | 95% | 89% | 0 |
| Sun 10p | Rain | 48°9° (likely 48°9° to 52°11°) | 46°8° | 70%, 0.11 in2.8 mm | 5 mph8 km/h from S, gusts 22 mph35 km/h | 97% | 81% | 0 |
| Sun 11p | Drizzle | 47°8° (likely 47°8° to 52°11°) | 42°6° | 80%, 0.09 in2.3 mm | 10 mph16 km/h from S, gusts 20 mph32 km/h | 98% | 89% | 0 |
| Mon 12a | Rain | 47°8° (likely 47°8° to 52°11°) | 42°6° | 80%, 0.09 in2.3 mm | 10 mph16 km/h from S, gusts 15 mph24 km/h | 99% | 95% | 0 |
| Mon 1a | Rain | 46°8° (likely 46°8° to 53°12°) | 41°5° | 80%, 0.09 in2.3 mm | 10 mph16 km/h from S, gusts 16 mph26 km/h | 99% | 98% | 0 |
| Mon 2a | Rain | 46°8° (likely 46°8° to 53°12°) | 41°5° | 80%, 0.09 in2.3 mm | 9 mph14 km/h from S, gusts 18 mph29 km/h | 99% | 99% | 0 |
| Mon 3a | Drizzle | 45°7° (likely 45°7° to 52°11°) | 40°4° | 80%, 0.09 in2.3 mm | 9 mph14 km/h from S, gusts 20 mph32 km/h | 99% | 100% | 0 |
| Mon 4a | Rain | 45°7° (likely 45°7° to 52°11°) | 40°4° | 80%, 0.09 in2.3 mm | 9 mph14 km/h from S, gusts 21 mph34 km/h | 100% | 99% | 0 |
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: Areas of frost and patchy fog before 10am. Mostly sunny. High near 60, with temperatures falling to around 58 in the afternoon. West wind around 2 mph.
Tonight: Patchy frost and patchy fog. Partly cloudy. Low around 33, with temperatures rising to around 35 overnight. South southwest wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
70% chance · 1.2 in29 mm
Evening
6 PM–midnight
80% chance · 0.64 in16 mm
Overnight
midnight–6 AM
80% chance · 0.49 in12 mm
Official NWS forecast
Day: Rain likely after 1pm. Partly sunny, with a high near 61. South southeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Night: Rain. Mostly cloudy, with a low around 42. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
90% chance · 0.16 in4.2 mm
Afternoon
noon–6 PM
90% chance · 0.23 in5.9 mm
Evening
6 PM–midnight
80% chance · 0.08 in2 mm
Overnight
midnight–6 AM
70% chance · 0.07 in1.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain. Mostly cloudy, with a high near 56. Chance of precipitation is 80%.
Night: Rain likely. Mostly cloudy, with a low around 40.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
60% chance · 0.12 in3 mm
Afternoon
noon–6 PM
60% chance · 0.1 in2.6 mm
Evening
6 PM–midnight
50% chance · 0.02 in0.4 mm
Overnight
midnight–6 AM
40% chance · 0.01 in0.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain before 11am, then a chance of rain and patchy fog. Mostly cloudy, with a high near 58.
Night: A chance of rain. Mostly cloudy, with a low around 38.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
50% chance · 0.08 in1.9 mm
Afternoon
noon–6 PM
70% chance · 0.08 in2 mm
Evening
6 PM–midnight
70% chance · 0.1 in2.6 mm
Overnight
midnight–6 AM
60% chance · 0.05 in1.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Mostly cloudy, with a high near 57.
Night: A chance of rain. Mostly cloudy, with a low around 38.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
60% chance · 0.14 in3.5 mm
Afternoon
noon–6 PM
50% chance · 0.12 in3.1 mm
Evening
6 PM–midnight
40% chance · 0.11 in2.9 mm
Overnight
midnight–6 AM
30% chance · 0.14 in3.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 56.
Night: A slight chance of rain. Mostly cloudy, with a low around 35.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
30% chance · 0.1 in2.5 mm
Afternoon
noon–6 PM
30% chance · 0.05 in1.3 mm
Evening
6 PM–midnight
30% chance · 0.14 in3.6 mm
Overnight
midnight–6 AM
30% chance · 0.09 in2.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain. Partly sunny, with a high near 57.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
20% chance · 0.04 in0.9 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.
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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
20% chance · 0.02 in0.5 mm
Afternoon
noon–6 PM
20% 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 60°, low 33°.
71% chance of rain, high 61°, low 42°.
83% chance of rain, high 56°, low 40°, cooling off.
Highs 51–58°; chance of precipitation on Wednesday, Thursday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (PQR) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Forecast peak 3.2 ft Mon 5 PM
Reading from Sat 3:45 AM · NWS gauge page
Forecast peak 3.9 ft Thu 5 AM
Reading from Sat 2:45 AM · NWS gauge page
Forecast peak 3.3 ft Mon 5 PM
Reading from Sat 3:45 AM · NWS gauge page
Forecast peak 2.9 ft Mon 11 PM
Reading from Sat 3:30 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 69% 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 4 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 about typical for the date.
Lacomb weather by month: normals, records, snow and freeze dates
Sunrise 7:38 AM, sunset 6:11 PM.
Clouds most of the night (about 54% cover).
Waxing gibbous
96% lit · growing