Observed 2:35 AM PDT at KPLU

South Prairie, WA weather

Rainy and 37°3°.

Forecasts differ

Now 37°3°

Rain

Wind: Calm; Light through 3 PM
Dew point: 37°3°; Comfortable · down to 29°−2° by 7 AM (dry)
Humidity: 100%; Air 37°3°, dew point 37°3° · fog or dew likely
UV tomorrow: 2Low; Low all day (peak 2)
Air quality: 16Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.29 inHg1026 hPa; Falling slowly · −0.03 inHg−1.0 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

7°4° cooler than this time yesterday (45°7° then, 37°3° now)

Good hours for

Above 50°10° today by noon
Below 50°10° tonight after 8 PM
Rain tonight 5–7 AM (40%, 0.06 in1.5 mm)
Dry break tomorrow 7–10 AM
Rain tomorrow 10 AM–11 PM (60%, 0.45 in11 mm)

TonightNear 35°2° · Mostly cloudy
This morningUp to 48°9° by 11 AM · Mostly cloudy
This afternoonUp to 57°14° by 4 PM · Mostly cloudy
TonightDown to 40°4° by 4 AM · Rain 5–6 AM (40%)
Tomorrow morningUp to 49°9° by 11 AM · Rain 6–7 AM (40%)
Tomorrow afternoonUp to 58°14° by 4 PM · Rain all afternoon (60%)
Tomorrow nightDown to 42°6° by 1 AM · Rain 6–11 PM (40%)

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 3a	Partly cloudy	36°2° (likely 32°0° to 41°5°)	36°2°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	84%	72%	0
Sat 4a	Cloudy	35°2° (likely 33°1° to 41°5°)	35°2°	0%	1 mph2 km/h from SE, gusts 3 mph5 km/h	84%	68%	0
Sat 5a	Cloudy	34°1° (likely 33°1° to 41°5°)	34°1°	0%	1 mph2 km/h from SE, gusts 3 mph5 km/h	84%	67%	0
Sat 6a	Cloudy	34°1° (likely 32°0° to 41°5°)	34°1°	0%	1 mph2 km/h from SE, gusts 3 mph5 km/h	84%	78%	0
Sat 7a	Cloudy	34°1° (likely 31°−1° to 40°4°)	34°1°	0%	1 mph2 km/h from SSE, gusts 3 mph5 km/h	82%	76%	0
Sat 8a	Cloudy	34°1° (likely 32°0° to 40°4°)	34°1°	0%	1 mph2 km/h from SE, gusts 2 mph4 km/h	82%	76%	0
Sat 9a	Cloudy	36°2° (likely 36°2° to 43°6°)	36°2°	5%	0 mph0 km/h, gusts 2 mph4 km/h	81%	73%	0
Sat 10a	Cloudy	44°7° (likely 44°7° to 47°8°)	44°7°	5%	0 mph0 km/h, gusts 3 mph4 km/h	72%	79%	1
Sat 11a	Cloudy	48°9° (likely 48°9° to 51°11°)	48°9°	0%	0 mph0 km/h, gusts 3 mph4 km/h	65%	74%	1
Sat 12p	Cloudy	50°10° (likely 50°10° to 55°13°)	50°10°	0%	0 mph0 km/h, gusts 5 mph8 km/h	62%	81%	2
Sat 1p	Cloudy	54°12° (likely 52°11° to 57°14°)	54°12°	0%	0 mph0 km/h, gusts 4 mph6 km/h	60%	88%	2
Sat 2p	Cloudy	55°13° (likely 52°11° to 58°14°)	55°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	57%	88%	1
Sat 3p	Cloudy	56°13° (likely 52°11° to 59°15°)	56°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	57%	80%	1
Sat 4p	Cloudy	57°14° (likely 52°11° to 59°15°)	57°14°	0%	0 mph0 km/h, gusts 5 mph9 km/h	57%	79%	0
Sat 5p	Cloudy	55°13° (likely 51°11° to 58°14°)	55°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	61%	78%	1
Sat 6p	Cloudy	54°12° (likely 48°9° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 3 mph5 km/h	64%	89%	0
Sat 7p	Cloudy	51°11° (likely 47°8° to 51°11°)	51°11°	0%	0 mph0 km/h, gusts 3 mph5 km/h	71%	79%	0
Sat 8p	Cloudy	47°8° (likely 46°8° to 48°9°)	47°8°	0%	1 mph2 km/h from SE, gusts 2 mph4 km/h	74%	80%	0
Sat 9p	Cloudy	45°7° (likely 45°7° to 48°9°)	45°7°	0%	1 mph2 km/h from SE, gusts 3 mph5 km/h	76%	80%	0
Sat 10p	Cloudy	44°7° (likely 44°7° to 48°9°)	44°7°	0%	1 mph2 km/h from S, gusts 4 mph6 km/h	77%	79%	0
Sat 11p	Cloudy	44°7° (likely 42°6° to 47°8°)	44°7°	0%, 0.01 in0.3 mm	2 mph3 km/h from S, gusts 4 mph6 km/h	78%	79%	0
Sun 12a	Cloudy	42°6° (likely 42°6° to 46°8°)	42°6°	5%, 0.01 in0.3 mm	1 mph2 km/h from SE, gusts 3 mph5 km/h	79%	82%	0
Sun 1a	Cloudy	42°6° (likely 41°5° to 45°7°)	42°6°	5%, 0.01 in0.3 mm	2 mph3 km/h from SE, gusts 3 mph5 km/h	79%	74%	0
Sun 2a	Cloudy	41°5° (likely 40°4° to 44°7°)	41°5°	5%, 0.01 in0.3 mm	2 mph3 km/h from SSE, gusts 3 mph5 km/h	79%	80%	0
Sun 3a	Cloudy	41°5° (likely 40°4° to 44°7°)	41°5°	5%, 0.01 in0.3 mm	1 mph2 km/h from ESE, gusts 4 mph6 km/h	80%	82%	0
Sun 4a	Cloudy	40°4° (likely 40°4° to 43°6°)	40°4°	10%, 0.01 in0.3 mm	1 mph2 km/h from E, gusts 5 mph8 km/h	81%	83%	0
Sun 5a	Cloudy	40°4° (likely 40°4° to 43°6°)	40°4°	40%, 0.03 in0.8 mm	1 mph2 km/h from E, gusts 3 mph5 km/h	81%	89%	0
Sun 6a	Rain	40°4° (likely 40°4° to 44°7°)	40°4°	40%, 0.03 in0.8 mm	1 mph2 km/h from E, gusts 2 mph4 km/h	84%	86%	0
Sun 7a	Cloudy	39°4° (likely 39°4° to 43°6°)	39°4°	10%, 0.03 in0.8 mm	1 mph2 km/h from E, gusts 3 mph5 km/h	86%	80%	0
Sun 8a	Cloudy	40°4° (likely 40°4° to 43°6°)	40°4°	10%, 0.03 in0.8 mm	1 mph2 km/h from ESE, gusts 5 mph8 km/h	88%	89%	0
Sun 9a	Rain	40°4° (likely 40°4° to 44°7°)	40°4°	20%, 0.03 in0.8 mm	1 mph2 km/h from ESE, gusts 4 mph7 km/h	93%	95%	0
Sun 10a	Rain	46°8° (likely 45°7° to 51°11°)	46°8°	30%, 0.03 in0.8 mm	1 mph2 km/h from ESE, gusts 4 mph7 km/h	90%	96%	1
Sun 11a	Rain	49°9° (likely 47°8° to 56°13°)	49°9°	50%, 0.06 in1.5 mm	0 mph0 km/h, gusts 4 mph6 km/h	84%	100%	2
Sun 12p	Rain	51°11° (likely 47°8° to 59°15°)	51°11°	60%, 0.06 in1.5 mm	0 mph0 km/h, gusts 4 mph7 km/h	81%	100%	2
Sun 1p	Rain	54°12° (likely 48°9° to 61°16°)	54°12°	40%, 0.06 in1.5 mm	0 mph0 km/h, gusts 5 mph8 km/h	78%	97%	2
Sun 2p	Rain	56°13° (likely 49°9° to 62°17°)	56°13°	50%, 0.06 in1.5 mm	1 mph2 km/h from E, gusts 7 mph11 km/h	75%	98%	2
Sun 3p	Rain	56°13° (likely 49°9° to 63°17°)	56°13°	40%, 0.06 in1.5 mm	1 mph2 km/h from E, gusts 7 mph12 km/h	72%	99%	2
Sun 4p	Rain	58°14° (likely 49°9° to 63°17°)	58°14°	40%, 0.06 in1.5 mm	1 mph2 km/h from E, gusts 7 mph11 km/h	71%	86%	1
Sun 5p	Rain	56°13° (likely 49°9° to 61°16°)	56°13°	40%, 0.01 in0.3 mm	1 mph2 km/h from NE, gusts 6 mph10 km/h	73%	58%	1
Sun 6p	Rain	55°13° (likely 49°9° to 55°13°)	55°13°	40%, 0.01 in0.3 mm	1 mph2 km/h from NE, gusts 8 mph14 km/h	75%	55%	0
Sun 7p	Rain	52°11° (likely 48°9° to 52°11°)	52°11°	40%, 0.01 in0.3 mm	1 mph2 km/h from NE, gusts 7 mph11 km/h	80%	50%	0
Sun 8p	Cloudy	48°9° (likely 47°8° to 48°9°)	48°9°	40%, 0.01 in0.3 mm	1 mph2 km/h from E, gusts 4 mph7 km/h	86%	58%	0
Sun 9p	Cloudy	46°8° (likely 45°7° to 47°8°)	46°8°	40%, 0.01 in0.3 mm	1 mph2 km/h from E, gusts 5 mph8 km/h	89%	57%	0
Sun 10p	Rain	45°7° (likely 44°7° to 47°8°)	45°7°	40%, 0.01 in0.3 mm	1 mph2 km/h from E, gusts 2 mph3 km/h	91%	56%	0
Sun 11p	Cloudy	44°7° (likely 43°6° to 46°8°)	44°7°	30%	2 mph3 km/h from E, gusts 2 mph4 km/h	92%	78%	0
Mon 12a	Rain	43°6° (likely 42°6° to 46°8°)	43°6°	30%	2 mph3 km/h from E, gusts 3 mph5 km/h	93%	64%	0
Mon 1a	Rain	42°6° (likely 41°5° to 46°8°)	42°6°	30%	2 mph3 km/h from E, gusts 3 mph5 km/h	94%	66%	0
Mon 2a	Rain	42°6° (likely 40°4° to 45°7°)	42°6°	30%	1 mph2 km/h from E, gusts 3 mph5 km/h	95%	47%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Cloudy. High 57°14°, low 34°1°. Typical 56°13° / 40°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 40°4°
  40% chance · 0.08 in2 mm
Official NWS forecast
Today: Partly sunny. High near 57, with temperatures falling to around 55 in the afternoon. East wind around 1 mph.
Tonight: Partly cloudy, with a low around 34. Southeast wind around 1 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
52°11°–59°15°
Low, likely
31°−1°–40°4°
Typical high / low
56°13° / 40°4°
Wind
5 mph9 km/h, gusts 12 mph19 km/h
UV peak
2
Tomorrow, Oct 25. Rain. High 58°14°, low 39°4°. Typical 56°13° / 40°4°. Rain 0.2 in5.1 mm, 60% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 40°4°
  50% chance · 0.21 in5.3 mm
2. Afternoon
  noon–6 PM
  Rain, 58°14°
  60% chance · 0.31 in7.9 mm
3. Evening
  6 PM–midnight
  Rain, 48°9°
  40% chance · 0.05 in1.3 mm
4. Overnight
  midnight–6 AM
  Rain, 42°5°
  30% chance
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 58. East wind around 1 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Night: A chance of rain. Mostly cloudy, with a low around 39. East wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
50°10°–63°17°
Low, likely
39°4°–43°6°
Typical high / low
56°13° / 40°4°
Wind
9 mph14 km/h, gusts 18 mph28 km/h
UV peak
2
Monday, Oct 26. Rain. High 58°14°, low 39°4°. Typical 56°13° / 40°4°. Rain 0.07 in1.8 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 42°5°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 55°13°
  20% chance
3. Evening
  6 PM–midnight
  Clear, 47°8°
  20% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Cloudy, 46°8°
  40% chance · 0.03 in0.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain before 5pm. Mostly cloudy, with a high near 58. Chance of precipitation is 30%.
Night: A slight chance of rain after 11pm. Mostly cloudy, with a low around 39.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
53°12°–58°14°
Low, likely
39°4°–44°7°
Typical high / low
56°13° / 40°4°
Wind
6 mph10 km/h, gusts 13 mph21 km/h
UV peak
2
Tuesday, Oct 27. Rain. High 58°14°, low 37°3°. Typical 55°13° / 40°4°. Rain 0.22 in5.6 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 47°8°
  40% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 51°11°
  40% chance · 0.05 in1.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 46°8°
  40% chance · 0.09 in2.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 45°7°
  60% chance · 0.24 in6 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Mostly cloudy, with a high near 58.
Night: Rain likely. Mostly cloudy, with a low around 37.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
49°9°–58°14°
Low, likely
37°3°–45°7°
Typical high / low
55°13° / 40°4°
Wind
10 mph16 km/h, gusts 26 mph42 km/h
Wednesday, Oct 28. Rain. High 56°13°, low 35°2°. Typical 55°13° / 40°4°. Rain 0.54 in14 mm, 60% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Rain, 44°7°
  70% chance · 0.16 in4.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 49°9°
  70% chance · 0.15 in3.8 mm
3. Evening
  6 PM–midnight
  Drizzle, 43°6°
  60% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Partly cloudy, 37°3°
  40% chance · 0.07 in1.7 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 56.
Night: Rain likely. Mostly cloudy, with a low around 35.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
48°9°–56°13°
Low, likely
35°2°–41°5°
Typical high / low
55°13° / 40°4°
Wind
9 mph14 km/h, gusts 20 mph33 km/h
UV peak
1
Thursday, Oct 29. Rain. High 55°13°, low 34°1°. Typical 55°13° / 40°4°. Rain 0.27 in6.9 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 37°3°
  40% chance · 0.02 in0.6 mm
2. Afternoon
  noon–6 PM
  Drizzle, 47°8°
  40% chance · 0.09 in2.4 mm
3. Evening
  6 PM–midnight
  Cloudy, 42°5°
  30% chance · 0.08 in2.1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 37°3°
  20% chance · 0.02 in0.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Mostly cloudy, with a high near 55.
Night: A slight chance of rain. Mostly cloudy, with a low around 34.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
44°7°–55°13°
Low, likely
33°1°–39°4°
Typical high / low
55°13° / 40°4°
Wind
7 mph10 km/h, gusts 18 mph29 km/h
UV peak
2
Friday, Oct 30. Rain. High 56°13°, low 35°2°. Typical 54°12° / 39°4°. Rain 0.07 in1.8 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 35°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain before 11am. Partly sunny, with a high near 56.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
43°6°–56°13°
Low, likely
34°1°–36°2°
Typical high / low
54°12° / 39°4°
Wind
6 mph10 km/h, gusts 13 mph20 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 48°9°, low 34°1°. Typical 54°12° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 39°4°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 34°1°
  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.
High, likely
45°7°–52°11°
Low, likely
33°1°–34°1°
Typical high / low
54°12° / 39°4°
Wind
5 mph8 km/h, gusts 11 mph18 km/h
UV peak
3
Sunday, Nov 1. Sunny. High 50°10°, low 34°1°. Typical 54°12° / 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Clear, 42°6°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  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.
High, likely
47°8°–55°13°
Low, likely
30°−1°–37°3°
Typical high / low
54°12° / 39°4°
Wind
6 mph10 km/h, gusts 13 mph22 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 54°12°, low 36°2°. Typical 54°12° / 39°4°. Rain 0.07 in1.8 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 56°13°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 41°5°
  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.
High, likely
47°8°–64°18°
Low, likely
33°1°–40°4°
Typical high / low
54°12° / 39°4°
Wind
7 mph12 km/h, gusts 16 mph26 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 57°, low 34°.
Tomorrow
57% chance of rain, high 58°, low 39°.
Monday
Dry, high 58°, low 39°.
Rest of week
Highs 48–58°; chance of precipitation on Wednesday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (SEW) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Carbon River near Fairfax

8.0 mi

Below flood stage

Level: 5.4 ft
Flow: 59 cfs

Forecast peak 5.4 ft Sun 11 PM

Reading from Sat 2 AM · NWS gauge page

South Prairie Creek at South Prairie

0.4 mi

Below flood stage

Flow: 31 cfs

Reading from Sat 12:45 AM · NWS gauge page

White River above Boise Ck

4.9 mi

Level: 40.0 ft
Flow: 230 cfs

Reading from Sat 1:30 AM · NWS gauge page

White River below Mud Mountain Dam

7.0 mi

Level: 800 ft
Flow: 250 cfs

Reading from Sat 2 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 69% less heating than a typical week.

This week 37Typical 122

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 28
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 15 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 37°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Mud Mountain Dam · official normals 1991–2020 · records 1939–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

On average 0° colder than normal (daily mean temperature).

±0°SunOct 18
+1°±0°MonOct 19
±0°TueOct 20
±0°WedOct 21
—ThuOct 22
±0°FriOct 23
—SatOct 24

South Prairie weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 25 min; Losing 3 min 8 s a day; shortest Dec 21, 1 h 55 min less
Golden hour: 5:21–6:23 PM; Morning 7:20–8:22 AM
Blue hour: 6:23–6:35 PM; Morning 7:08–7:20 AM; first light 7:08 AM

Stars tonight? Poor

Clouds most of the night (about 72% cover).

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:56 AM · rises 5:06 PM
Full moon: Oct 25
New moon: Nov 8

Looking southeast from South Prairie. The highest point on the skyline is about 13,900 ft, 24 mi away.Skyline from USGS elevation data, heights drawn up to 3.5× taller. Sky, sun and moon as they are now.