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 Details for Cowlitz County Lowlands Winter Weather Advisory
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 Details for Willipa Hills Winter Weather Advisory
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Winter Weather Advisory WINTER WEATHER ADVISORY - Cowlitz County Lowlands  - Inner Vancouver Metro  - North Clark County Lowlands  - Portland  - Willipa Hills

NWS Northwest Regional Radar Web Cam
Radar/Satellite images courtesy of National Weather Service.
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METRIC | IMPERIAL
Updated: 21-Dec-2025 @ 7:32pm   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 0.4°F than last hour.

43.6°F

---
High Today
45.8°F
11:54 AM 		Low Today
41.6°F
8:26 AM
Yest High
47.1°F
2:45 PM 		Yest Low
40.9°F
12:00 AM
Sta* High
58.6°F
2015 		Sta* Low
12.6°F
2013
* This Station's Records Since 01/2020
Official Record High
Night time, Dry, Overcast Night time, Dry, Overcast

Wind from ENE Wind:  ENE
1.4
Gusting to:
 1.0 mph
Current Rain Rain:
0.10 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-2.0 of 100
Tonight

Tonight: Rain Showers Likely
Rain Showers Likely
Monday

Monday: Rain Showers
Rain Showers
Monday
Night
Monday Night: Rain
Rain
Lo 40°F Hi 47°F Lo 40°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.5°F since last hour. 42.0°F
Last Hour: Decreased 0.5°F since last hour. -0.5°F
High 3:37 PM: 42.6°F
Low 3:57 AM: 38.2°F
Record High: 80.8°F on
28-Jun-2021
Record Low: 11.7°F on
22-Dec-2022
Wetbulb: 42.9°F
Rain Today
rain graph
Today: 0.10 in
Rate (/hr): 0.013 in
Storm Rain: 0.10 in
Yesterday: 0.24 in
Last 7 Days: 4.16 in
Dec Rain: 12.07 in
Dec to Date
  Avg:10 		4.12 in
Dec to Date
  Diff from Avg:10 		Over 7.95 in for the month 7.95 in
Dec Avg: 3.49 in
Diff from Avg: Over 8.58 in for the month 8.58 in
Season:1 42.270 in
YTD
  Avg:11 		25.11 in
YTD
  Diff from Avg:11 		Over 17.16 in for the year 17.16 in
148 rain days in 2025
18 days in December
0 days since last rain
Current: ENE  1.4 mph
1Hr Average: 0.8 mph
Wind Run: 29.61 miles
Wind Gust
Current: 1.0 mph
Today: 13.0 mph 1:46 AM
Month: 21.0 mph 15-Dec
Year: 33.0 mph 19-Mar
Record Gust: 33.0 mph
19-Mar-2025
Sunlight:
8 h 40 m 46 s
of Sunlight Yesterday
8 h 40 m 45 s
of Sunlight Today Which is 1 sec shorter than
yesterday
8 h 40 m 49 s
of Sunlight Tomorrow
 (Noon ?>) graph (Midnight
 Legend

Waxing Crescent
Waxing Crescent, 2 days, 1 hours, 49 minutes in cycle
4%
Illuminated
Humidity Barometer
Current: No Change 94%
Last Hour: No Change 0%
High 7:07 PM: 95%
Low 3:57 AM: 79%
Record High: 100%
30-Nov-2014
Record Low: 0%
26-Jan-2015
Current: Rising 0.7 inHg/hr 1006.9 inHg
Last Hour: Rising slowly
High 12:00 AM: 1011.6
Low 3:01 PM: 1004.9
Record High: 1045.4 inHg
30-Dec-2014
Record Low: 979.4 inHg
27-Dec-2022
Heating Degree Days Coming Soon Wind Chill
Today: 16.6
Dec: 347.6
2025 to Date: 4071.0
Cooling Degree Days
2025 to Date: 242.6
Current: 43.6°F
Low 1:47 AM: 39.8°F
Yesterday: 39.2°F
Record: 14.2°F
15-Jan-2024
UV Summary/Forecast Solar Summary
High Today:   0.7 @ 11:29 AM
Dec-22

0.7 		Dec-23

0.7 		Dec-24

0.7
High Today:  
172 W/m2 @ 11:30 AM
Sun Hours Today:
00:00
   This Month: 00:00 Hrs
Rise: 07:52  Set: 16:29
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Evening
YTD Avg Temp: 54.2°F
Sunrise: 07:52
Sunset: 16:29
Moonrise: 10:11
Moonset: 17:44
Full Moon: 03-Jan-2026
New Moon: 19:53 UTC
18-Jan-2026
Updated at Midnight
Current ET: 0.01 in
7-Days Rain: 4.16 in
7-Days ET: 0.07 in
7-Day: 4.085 in water in excess of what evaporated in last 7 days. 4.085 in
December: 11.91 in water in excess of what evaporated this month. 11.91 in
HIGHS: LOWS:
110.1°F
27-Jun-2021 		15.6°F
16-Jan-2024
Daytime Records
  93.0°F°F
27-Jun-2021 		  23.0°F°F
13-Jan-2024
Nitetime Records
  82.8°F°F
28-Jun-2021 		  20.3°F°F
16-Jan-2024
ICN:16 | S3C2:0 | Ajax 3.xx
ISS:Ok | CON:3.1 | RCP:99%
1 Rain season: Jan 1st to Dec 31st.   5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present).   10 Historical average only to day 21 of just the month of December for this station since 2020.   11 Historical average rain this season to day 21 of December for this station since 2020.
 NWS Weather Forecast  -   Outlook Tonight & Monday
Tonight

Tonight: Rain Showers Likely
Rain Showers Likely

Lo 40°F 		NWS forecast: Rain showers likely. Mostly cloudy, with a low around 40. South southeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Local station forecast: Mostly cloudy and cooler, precipitation possible within 12 hours, possibly heavy at times, windy. 		Monday

Monday: Rain Showers
Rain Showers

Hi 47°F 		NWS forecast: Rain showers. Mostly cloudy. High near 47, with temperatures falling to around 45 in the afternoon. South southeast wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
 NWS Short Term Weather Forecast
Monday
Night
Monday Night: Rain
Rain
Tuesday

Tuesday: Chance Light Rain
Chance Light Rain
Tuesday
Night
Tuesday Night: Rain
Rain
Wednesday

Wednesday: Rain
Rain
Wednesday
Night
Wednesday Night: Chance Light Rain
Chance Light Rain
Christmas
Day
Christmas Day: Chance Light Rain
Chance Light Rain
Thursday
Night
Thursday Night: Chance Light Rain
Chance Light Rain
Lo 40°F Hi 46°F Lo 38°F Hi 46°F Lo 35°F Hi 44°F Lo 36°F
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