Star Prairie RAWSSRPW3
A remote fire weather station/5.8 mi away/947 ft/269 ft above here
temp, wind, gust, humidity, pressure
William O'Brien State Park, Wisconsin
State Park in Polk County, Wisconsin* WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Anoka, Hennepin, Ramsey, and Washington Counties. * WHEN...From 1 AM to 8 AM CDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.
44°
53°/40°
Overcast·
Feels like 39°·Gentle breeze 9 mph WNW
Alert. A Frost Advisory is in force for William O'Brien State Park until 8 AM tomorrow. Read the alert in full, and see what it means in the Field Book. Rain is likely early this morning, from about 3 AM, the chance peaking at 72% around 4 AM.
Now. William O'Brien State Park is 44° and overcast at 1 AM. With the wind it feels like 39°. The dew point is 43°, so the air feels dry and comfortable. Gentle breeze from the west-northwest at 9 mph.
Today and tonight. It warms to about 50° by 3 PM. Tonight falls to about 33° by 4 AM, under a mostly clear sky. Frost can form on the ground in sheltered spots.
The week. The warmest day ahead is Wednesday, near 72°, and the coolest tomorrow, near 59°. The days ahead look dry. The first freeze could come tomorrow, a low of 32°.
The sky tonight. The sun sets at 6:24 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:04 PM. The next full Moon is Sunday, Oct 25. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The sky is forecast to stay clear: a good night to look up. The day is 10 hours 57 minutes long, 3 minutes shorter than yesterday.
0UV Low
24Air quality
97%Humidity
97%Cloud
Now
1:00 AM
44feels39
19%
Today
Oct 16
5340
88%
18mph
Sat
Oct 17
5932
15mph
Sun
Oct 18
6541
13mph
Mon
Oct 19
6643
overcast
Tue
Oct 20
7042
overcast
Wed
Oct 21
7250
17%
Thu
Oct 22
7254
22%
44°
53°40°
59°32°
65°41°
66°43°
70°42°
72°50°
72°54°
As of 1:00 AM in William O'Brien State Park, Wisconsin.
Air quality
The air at William O'Brien State Park
Index 24, good, led by fine particles. Read at 12 AM from its reporting area, Northern Twin Cities Metro (MN), 25 miles off.
24Good
- Fine particles (PM2.5)24Good22.5 mi
- Ozone18Good17 ppb3.6 mi
- Coarse particles (PM10)12Good22.7 mi
- Nitrogen dioxide1Good1.1 ppb22.7 mi
- Sulfur dioxide1Good1.1 ppb22.7 mi
The days ahead
Good each day through Sun Oct 18, led by ozone. Yesterday measured 22, good.
GoodModerate
- 22YesterdayOct 15
- 28TodayOct 16
- GoodSatOct 17
- GoodSunOct 18
Smoke, the next 43 hours
No smoke near the ground through Sat 7 PM.
Precipitation
What has fallen at William O'Brien State Park
0.76 in in the last 24 hours, and none in the 2 days before, to Fri 12 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.76in
- Last 3 days
- 0.76in
Visibility
How far you can see at William O'Brien State Park, the next 43 hours
Visibility stays 4 miles or more through Sat 7 PM, lowest 5 miles Fri 2 AM.
F
Now, today, and the week
Weather instrument stations by state
Park
- Designation
- State Park
- Area
- 3.3 sq mi
- Height at its point
- 678 ft
- County
- Polk County
- State
- Wisconsin
- Latitude
- 45.2245° N
- Longitude
- 92.7554° W
What is measuring near here
The 6 instruments nearest William O'Brien State Park, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.2 miles away.
measured now4 instruments
OsceolaOEO
At an airfield/6.6 mi away/902 ft/224 ft above here
temp, wind, gust, visibility, precip, pressure
Citizen station EW2192EW2192
In a volunteer observer's own ground/14.2 mi away/1,018 ft/340 ft above here
temp, humidity, wind, precip, pressure
St. Croix Falls - USH 8 3 mi E of townSTXW3
Beside a road/14.4 mi away/1,191 ft/513 ft above here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Osceola 4.6 SWI-PK-21
In a volunteer observer's own ground/3.2 mi away/1,049 ft/371 ft above here
precip, snowfall, snow depth
St Croix FallsSCRW3
At a cooperative observer's station/14.0 mi away/747 ft/69 ft above here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
0in
Snow on the ground
Measured at St Croix Falls (SCRW3), 14.0 miles from here, read 15 Oct, 07:00. measured daily
Elsewhere in Wisconsin
19 places, each with its own forecast and its own instruments.
Near William O'Brien State Park
The nearest places, each with its own forecast and the instruments nearest it.
- Osceolavillage, 7 mi
- Somersetvillage, 8 mi
- Dresservillage, 11 mi
- Houltoncommunity, 11 mi
- Star Prairievillage, 11 mi
- New Richmondcity, 13 mi
- St. Croix Fallscity, 14 mi
- North Hudsonvillage, 16 mi
- Hudsoncity, 18 mi
- Deer Parkvillage, 18 mi
- Centuriavillage, 18 mi
- Robertsvillage, 19 mi