Live · updated todayTypical peak look
Backbone State Park, Iowafall foliage
No reports yet this season for Backbone State Park.
Next 7 days
- Rain likely · up to 93% chanceTuesday Night, Wednesday, Wednesday Night, Thursday
National Weather Service forecast, issued Mon 2:26 PM (Eastern). Frost: a low of 36°F or less; wind: 20 mph or more; rain: 60% chance or more.
Frost near Backbone State Park
First frost usually arrives this week
Oct 4Average first fall frost
May 3Average last spring frost
The day a 32°F night is as likely as not, 1991–2020, at NOAA's Manchester #2 station (10.3 mi away, 924 ft). Source ↗ (opens in a new tab)
How we know
National Weather Service forecast and alerts (opens in a new tab) (Sep 28) · NOAA NCEI U.S. Climate Normals 1991–2020 (annual/seasonal) (opens in a new tab) (Sep 27)