Weather in Crystal Lake, IA
Crystal Lake, Wednesday, 4 November, 06:24
Overcast. Feels like 38°. High 50°, low 44°.
Monthly outlook for Crystal Lake, IA: average high 55°, average low 40.5°. That is 5.1° above the climate normal for November. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 4 days and 1.0 inches. The warmest day looks like 9 November (65.3°), the coolest 7 November (33°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 4 November – 13 November | 54.8° | 46.9° | +4.4° |
| 14 November – 23 November | 55.3° | 42.4° | +7.2° |
| 24 November – 3 December | at normal | 35.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Woden (6 mi).
0.12
Crystal Lake, Thursday, 5 November
Rain. High 51°, low 44°.
0
Crystal Lake, Friday, 6 November
Clear. High 46°, low 33°.
0Crystal Lake, Saturday, 7 November
Overcast. High 54°, low 33°.
0Crystal Lake, Sunday, 8 November
Clear. High 56°, low 42°.
0Crystal Lake, Monday, 9 November
Clear. High 65°, low 40°.
0
Crystal Lake, Tuesday, 10 November
Mostly clear. High 57°, low 44°.
0Crystal Lake, Wednesday, 11 November
Clear. High 53°, low 39°.
0
Crystal Lake, Thursday, 12 November
Partly cloudy. High 56°, low 37°.
0Crystal Lake, Friday, 13 November
Clear. High 60°, low 41°.
0Crystal Lake, Saturday, 14 November
Clear. High 59°, low 46°.
0Crystal Lake, Sunday, 15 November
Mostly clear. High 56°, low 45°.
0Crystal Lake, Monday, 16 November
Mostly clear. High 49°, low 38°.
0Crystal Lake, Tuesday, 17 November
Partly cloudy. High 54°, low 37°.
0Crystal Lake, Wednesday, 18 November
Clear. High 63°, low 43°.
0Crystal Lake, Thursday, 19 November
Partly cloudy. High 51°, low 40°.
0.09Crystal Lake, Friday, 20 November
Climate normal for this date — 60-year average.
0.04Crystal Lake, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04Crystal Lake, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Crystal Lake, Monday, 23 November
Climate normal for this date — 60-year average.
0.06Crystal Lake, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.02Crystal Lake, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.07Crystal Lake, Thursday, 26 November
Climate normal for this date — 60-year average.
0.08Crystal Lake, Friday, 27 November
Climate normal for this date — 60-year average.
0.08Crystal Lake, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07Crystal Lake, Sunday, 29 November
Climate normal for this date — 60-year average.
0.05Crystal Lake, Monday, 30 November
Climate normal for this date — 60-year average.
0.07Crystal Lake, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.03Crystal Lake, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.06Crystal Lake, Thursday, 3 December
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Crystal Lake, IA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Crystal Lake, IA since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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