GrinnellRGII4
Beside a road/5.1 mi away/868 ft/102 ft below here
temp, pavement temp, wind, visibility, precip
Rock Creek State Park, Iowa
State Park in Jasper County, Iowa* WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Much of Iowa. * WHEN...From late Friday night through Saturday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold.
51°
62°/55°
Overcast·
Feels like 51°·Moderate breeze 14 mph NW
Alert. A Freeze Watch is in force for Rock Creek State Park until 9 AM Saturday. Read the alert in full, and see what it means in the Field Book. Tomorrow is 10 degrees cooler: a high of 52° after 62° today.
Now. Rock Creek State Park is 51° and overcast at 11 PM. The dew point is 42°, so the air feels dry and comfortable. Moderate breeze from the northwest at 14 mph, gusting to 26 mph.
Today and tonight. Tonight falls to about 45° by 3 AM, with some cloud. No rain is expected for the rest of the day.
The week. The warmest day ahead is Wednesday, near 74°, and the coolest tomorrow, near 52°. The days ahead look dry. The windiest day is tomorrow, with wind to 22 mph. The first freeze could come Saturday, a low of 32°.
The sky now. The Moon is a waxing crescent, 26% lit, and stays below the horizon until dawn. The next full Moon is Sunday, Oct 25. Look for Saturn, bright in the south-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 day is 11 hours 8 minutes long, 3 minutes shorter than yesterday.
0UV Low
17Air quality
75%Humidity
98%Cloud
Now
11:00 PM
51feels51
14mph
Today
Oct 15
6255
99%
17mph
Fri
Oct 16
5244
19%
22mph
Sat
Oct 17
5832
clear day
Sun
Oct 18
6438
14mph
Mon
Oct 19
6644
overcast
Tue
Oct 20
7145
overcast
Wed
Oct 21
7451
overcast
51°
62°55°
52°44°
58°32°
64°38°
66°44°
71°45°
74°51°
As of 11:00 PM in Rock Creek State Park, Iowa.
Air quality
The air at Rock Creek State Park
Index 17, good, led by ozone. Read at 11 PM from its reporting area, Des Moines (IA), 44 miles off.
17Good
- Fine particles (PM2.5)8Good-
- Ozone17Good-
The days ahead
Highest moderate, today, led by fine particles. Yesterday measured 20, good.
GoodModerate
- 20YesterdayOct 14
- ModerateTodayOct 15
- GoodFriOct 16
- GoodSatOct 17
Smoke, the next 45 hours
No smoke near the ground through Sat 7 PM.
Precipitation
What has fallen at Rock Creek State Park
0.35 in in the last 24 hours, 0.37 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.35in
- Last 3 days
- 0.37in
3 days agoLast 24 hours 95%
Visibility
How far you can see at Rock Creek State Park, the next 45 hours
Dense fog: visibility falls to 0.1 miles Sat 8 AM, under a mile for 1 hour.
F
Now, today, and the week
Weather instrument stations by state
Park
- Designation
- State Park
- Area
- 2.76 sq mi
- Height at its point
- 970 ft
- County
- Jasper County
- State
- Iowa
- Latitude
- 41.7353° N
- Longitude
- 92.8630° W
What is measuring near here
The 7 instruments nearest Rock Creek State Park, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.1 miles away.
measured now5 instruments
GrinnellGGI
At an airfield/6.9 mi away/1,007 ft/37 ft above here
temp, wind, gust, visibility, precip, pressure
Citizen station CW8097CW8097
In a volunteer observer's own ground/19.6 mi away/1,012 ft/42 ft above here
temp, humidity, wind, precip, pressure
Prairie City 3SW - Neal Smith RAWSNSWI4
A remote fire weather station/23.5 mi away/892 ft/78 ft below here
temp, wind, gust, humidity, pressure
Des Moines 17 E54902
At a climate reference station/25.1 mi away/903 ft/67 ft below here
temp, humidity, wind, solar, precip
measured daily2 instruments
Grinnell 3 SWGRII4
At a cooperative observer's station/6.8 mi away/974 ft/4 ft above here
snowfall, snow depth, precip, high, low
Grinnell 0.4 WIA-PW-8
In a volunteer observer's own ground/6.8 mi away/1,001 ft/31 ft above here
precip, snowfall, snow depth
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Iowa
15 places, each with its own forecast and its own instruments.
Near Rock Creek State Park
The nearest places, each with its own forecast and the instruments nearest it.