Overview

Snowkite

Grass Lake is a snowkite spot in northern Illinois. This lake freezes in winter, offering a flat surface for snowkiting. The flat Midwest landscape promotes steady winds.

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Spot forecast for Grass Lake

Sunrise 07:11 · Sunset 18:03

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< 7 kn7–12 kn13–20 kn21–30 kn31–40 kn41+ kn Gusts Your minimum: 7 kn

Forecasts provided by Open-Meteo

Grass Lake: when to go?

Rideable days and hours computed for a minimum wind of 7 knots · log in to set your own (foil, twin-tip…)

Season · peak

57h

in December · 6.5 rideable days

The season runs from December to February, peaking in December: 6 rideable days a month and 57 hours of usable wind, at 1 °C. The low point is May, at 0 days.

Rideable days per month

Wind strength when it is rideable

7-12 knots · 87%13-20 knots · 14%

When the spot works, wind sits mostly between 7 and 12 knots — 87% of rideable hours. Big-kite territory. The coldest month is January, at -2 °C. The wettest month is July, with 230 mm. Snow depth peaks in December, at 13 cm.

Monthly averages: Grass Lake

Monthly averages — Grass Lake — averaged over 2 years of records — Weather data by Open-Meteo.com — How it is calculated
Month	Rideable days	Usable wind	Temperature	Rain
January	5.5	52 h	-2 °C	50 mm
February	5.5	49 h	4 °C	20 mm
March	1.5	8 h	10 °C	95 mm
April	0.5	2 h	15 °C	67 mm
May	0.0	0 h	20 °C	117 mm
June	0.0	0 h	27 °C	105 mm
July	0.0	0 h	27 °C	230 mm
August	0.0	0 h	26 °C	62 mm
September	0.0	0 h	25 °C	16 mm
October	0.0	0 h	18 °C	22 mm
November	1.0	9 h	9 °C	58 mm
December	6.5	57 h	1 °C	63 mm

Photo gallery of Grass Lake

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Technical details of Grass Lake spot

The spot works with winds from N, NNE, NE, ENE, E, ESE, SE, SSE, S, SSW, SW, WSW, W, WNW, NW, NNW.

Rideable Not rideable

Spot opening date

Spot opening date: Open all year round
Spot type: Freeride (Ski touring access)
Altitude: 222 m

Hazards

Check ice thickness — minimum 15 cm required. Cold temperatures — hypothermia and frostbite risk. Wind can be strong and steady on the plains.

Additional information

Snowkite on frozen lake. Flat surface. Variable snow. Midwest plains providing steady winds.

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FW5328 Johnsburg6.2 kmsource noaa

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Additional stations

WB9WX ANTIOCH6.2 km

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source noaa
FW0929 Richmond7.4 km

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Webcams near Grass Lake

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Nearby spots

All spots: Illinois

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Grass Lake snowkite spot