Crystal Lake, IA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Crystal Lake, IA in one place.
Mostly sunny. High near 62, with temperatures falling to around 56 in the afternoon. Southwest wind 5 to 13 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Crystal Lake, IA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 8, 2026 4:11 AM CST.
The active forecast window currently covers Nov 9 to Nov 14, 2026 for Crystal Lake, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 9 to Nov 14, 2026
- Latest sync
- Nov 8, 2026 4:11 AM CST
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Crystal Lake
Monday looks like the warmest upcoming period in Crystal Lake at 62 degrees F.
Thursday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Monday at about 5 to 13 mph SW.
The forecast from Nov 9 through Nov 14 stays mostly dry.
Forecast Details
- Last updated
- Nov 8, 2026 4:11 AM CST
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DMX
- Radar station
- KDMX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 35. Northwest wind around 5 mph.
Mostly sunny, with a high near 57.
Mostly cloudy, with a low around 37.
Partly sunny, with a high near 49.
Partly cloudy, with a low around 31.
Mostly sunny, with a high near 44.
Mostly clear, with a low around 27.
Sunny, with a high near 45.
Mostly clear, with a low around 32.
Mostly sunny, with a high near 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Nov 9
|
Mostly Sunny
|
62°F |
5 to 13 mph
SW
|
|
Monday Night
Nov 9
|
Mostly Clear
|
35°F |
5 mph
NW
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
57°F |
2 mph
WNW
|
|
Tuesday Night
Nov 10
|
Mostly Cloudy
|
37°F |
2 mph
NNW
|
|
Veterans Day
Nov 11
|
Partly Sunny
|
49°F |
2 to 10 mph
N
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
31°F |
7 mph
N
|
|
Thursday
Nov 12
|
Mostly Sunny
|
44°F |
6 to 9 mph
N
|
|
Thursday Night
Nov 12
|
Mostly Clear
|
27°F |
1 to 5 mph
N
|
|
Friday
Nov 13
|
Sunny
|
45°F |
5 mph
NNW
|
|
Friday Night
Nov 13
|
Mostly Clear
|
32°F |
5 mph
SSE
|
|
Saturday
Nov 14
|
Mostly Sunny
|
52°F |
5 to 9 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Crystal Lake.
