Crystal Lake Weather Forecast
- 18
- 19
Increasing Clouds
- 6
- 32
Breezy
- 13
- 20
Slight Chance Snow
- 29
- 38
Mostly Sunny
- 9
- 43
Partly Sunny
- 2
- 20
Partly Sunny
Today 23 Feb Stevens
Mostly sunny. Highs around 19. Southeast Winds 5 to 10 Mph increasing to 15 to 20 Mph in the afternoon.
Tonight 23 Feb Stevens
Not as cold. Mostly cloudy. A 20 percent chance of snow after midnight. Lows around 18. Southeast Winds 10 to 15 Mph.
Crystal Lake Temperature Statistics
February Temperature
Morris, Morris Municipal Airport (1.9 miles)
Lowest 3 February, 2026
-7.6 °FAverage February
26.2 °FHighest 15 February, 2026
50 °F
Climate (2021–Present)
Morris, Morris Municipal Airport (1.9 miles)
Average Low 2021–2026
34.4 °FAverage 2021–2026
44.5 °FAverage High 2021–2026
54.8 °F