State parktype
First comebooking
May–Sepbest months
About Sun Valley
- Managed by: Lowden State Park
- Where: 1 mi north of Oregon, IL · 42.03333, -89.33039
Weather by month
29°13°Jan
34°17°Feb
47°28°Mar
60°37°Apr
72°49°May
81°59°Jun
84°62°Jul
82°60°Aug
76°52°Sep
63°41°Oct
47°30°Nov
35°19°Dec
Typical daily highs and lows (°F), 1991–2020 NOAA normals. Best months: May–Sep (comfortable days, mild nights, little rain). Nights below freezing: Nov–Mar.
See Sun Valley from above
Fly over it in 3D, check today's weather and fire news, plan the drive and print a trip plan.
Good to know
Cell signal
Verizon 4G · AT&T 4G · T-Mobile 5G
From the carriers' FCC coverage maps, which tend to be generous.Night sky: Suburban
The Milky Way is faint and only shows overhead.
Class 5 of 9, from NASA/NOAA night-light data.RV essentials
Dump station: 8.7 mi
Propane: 16.4 mi
Camps nearby
- Shady Rest camping area 0.1 mi
- White Oak 0.4 mi
- Camp Lowden 6.1 mi
- Campsite · 3 mi N of Lost Nation 6.1 mi
- Fox Canyon Youth Campground 8.1 mi
- Spring Creek Youth Campground 8.1 mi