Crystal Lake, IA Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Crystal Lake, IA in one place.
Partly cloudy. Low around 55, with temperatures rising to around 58 overnight. East southeast wind around 7 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: Jun 2, 2026 2:37 AM CDT.
The active forecast window currently covers Jun 2 to Jun 8, 2026 for Crystal Lake, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 2 to Jun 8, 2026
- Latest sync
- Jun 2, 2026 2:37 AM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Crystal Lake
Monday looks like the warmest upcoming period in Crystal Lake at 85 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Wednesday at about 10 to 17 mph SSE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 2, 2026 2:37 AM CDT
- Coverage
- 7 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 sunny, with a high near 80. Southeast wind 8 to 14 mph, with gusts as high as 18 mph.
Mostly clear. Low around 54, with temperatures rising to around 58 overnight. Southeast wind 8 to 13 mph, with gusts as high as 18 mph.
Mostly sunny, with a high near 80. South southeast wind 10 to 17 mph, with gusts as high as 24 mph.
A chance of rain showers between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 58. South wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 79. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jun 2
|
Partly Cloudy
|
55°F |
7 mph
ESE
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
80°F |
8 to 14 mph
SE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
54°F |
8 to 13 mph
SE
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
80°F |
10 to 17 mph
SSE
|
|
Wednesday Night
Jun 3
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
58°F |
13 to 16 mph
S
|
|
Thursday
Jun 4
|
Showers And Thunderstorms Likely
|
79°F |
14 mph
SSW
|
|
Thursday Night
Jun 4
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
61°F |
6 to 10 mph
S
|
|
Friday
Jun 5
|
Showers And Thunderstorms Likely
|
83°F |
9 mph
S
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
62°F |
8 mph
SSW
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
83°F |
7 to 10 mph
NW
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
63°F |
6 to 10 mph
E
|
|
Sunday
Jun 7
|
Chance Showers And Thunderstorms
|
84°F |
7 to 13 mph
SE
|
|
Sunday Night
Jun 7
|
Chance Showers And Thunderstorms
|
64°F |
9 to 13 mph
SE
|
|
Monday
Jun 8
|
Chance Showers And Thunderstorms
|
85°F |
10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Crystal Lake.
