Lake View Recreation Area (Saylorville)
Tonight: low 61 °F, some dew, rain likely, breezy.
Nights by month
Night lows from 2016 to 2025: a typical night, and the cold one that comes 1 night in 10.
The mildest nights are in July, typically 68°F. The coldest are in January, when 1 night in 10 drops to -7°F. Frost is common in January, February, March, April, November and December.
- Jan17°F -7°FBag comfortable to -5°F · frost 97% · rain or snow 22% of days
- Feb19°F -4°FBag comfortable to -5°F · frost 91% · rain or snow 23% of days
- Mar31°F 21°FBag comfortable to 20°F · frost 54% · rain or snow 31% of days
- Apr41°F 28°FBag comfortable to 30°F · frost 17% · rain or snow 34% of days
- May53°F 42°FBag comfortable to 40°F · frost 0% · rain or snow 44% of days
- Jun65°F 57°FBag comfortable to 55°F · frost 0% · rain or snow 35% of days
- Jul68°F 62°FBag comfortable to 65°F · frost 0% · rain or snow 30% of days
- Aug66°F 59°FBag comfortable to 60°F · frost 0% · rain or snow 34% of days
- Sep (this month)61°F 52°FBag comfortable to 50°F · frost 0% · rain or snow 26% of days
- Oct47°F 33°FBag comfortable to 35°F · frost 9% · rain or snow 27% of days
- Nov33°F 20°FBag comfortable to 20°F · frost 47% · rain or snow 21% of days
- Dec24°F 7°FBag comfortable to 10°F · frost 86% · rain or snow 17% of days
| = 32°F
History: ERA5 and ERA5-Land reanalysis via Open-Meteo, corrected to the site's elevation. Bag rating: the comfort rating that keeps you warm in a tent on 9 of 10 nights that month.
Tonight
Worth a lookFriday, September 25, 10 p.m. to 7 a.m.
Your selected gear looks warm enough
About 24 °F to spare at the coldest hour.
This is based on typical values for the gear types you picked, so treat it as an estimate.
Your night
- 10 p.m. until morningComfortableAir around you 68 to 63°F, some dew, gusty from 4 a.m., rain likely from 5 a.m. (up to 26 mph).
Every hour
- 10 p.m.68°Fcomfortable, some dew
- 11 p.m.67°Fcomfortable, some dew
- midnight67°Fcomfortable, some dew, chance of rain
- 1 a.m.66°Fcomfortable, some dew
- 2 a.m.66°Fcomfortable, some dew
- 3 a.m.65°Fcomfortable, some dew, chance of rain
- 4 a.m.65°Fcomfortable, some dew, gusty, chance of rain
- 5 a.m.64°Fcomfortable, some dew, rain likely
- 6 a.m.64°Fcomfortable, some dew, rain likely
- 7 a.m.63°Fcomfortable, some dew, rain likely
Times are local time at your spot (GMT-5).
What works tonight
The gear this night calls for, for someone who sleeps like you.
- You have this
Sleeping bag
Comfort 60°F or colder
Usually sold as a 51° bag. The number in a bag's name is the limit, not the comfort.
- You have this
Underneath you
R1 or more
The R-value says how well a pad keeps the cold ground out.
Before you sleep
- Stake out every guyline and point the low, narrow end of the tent into the wind.
- Rain is possible from about midnight. Keep the rain fly on and bring shoes and packs inside.
- Bring shoes, clothes and electronics inside. Anything left out will be wet by morning.
How we estimated this
At the coldest hour (7 a.m.):
- Outside at your spot
- 61°F
- Warmth your shelter holds
- +2 °F
- Air around you
- 63°F
- Your bag's comfort rating
- 39°F
- Your comfort limit
- 39°F
24 °F to spare, so warm enough.
Assumptions
- Bag categories use typical ratings as sold: summer about 50 °F (10 °C), 3-season about 30 °F (-1 °C), winter about 15 °F (-9 °C). The number in a bag's name is usually its lower limit, so its comfort rating is about 9 °F (5 °C) warmer.
- What you lie on: foam mat about R2, thin air pad about R1.5, insulated pad about R3.5, winter pad R5 and up, van bed about R4, air mattress about R0.5. Colder ground needs a higher R-value.
- Shelters hold a few degrees early in the night and less towards morning. Wind and clear, calm skies take warmth away.
- Weather: Open-Meteo forecast for your spot, on a grid of a few kilometers, corrected to its height.
- These are rules of thumb, not measurements. People and gear vary.
A forecast, not a promise. Mountains, valleys and water make their own weather, so trust what you see and feel on site. Terms and liability
Checked for a double-wall tent, a 3-season bag and a thin air pad. Check your own gear here.
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