Weather in Heron Lake, MN
Heron Lake, Friday, 30 October, 16:46
Overcast. Feels like 46°. High 53°, low 39°.
Monthly outlook for Heron Lake, MN: average high 57.7°, average low 49°. That is 6.2° above the climate normal for October. Precipitation is expected on 11 days (about 5.5 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 1 November (66.4°), the coolest 30 October (38.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 58.4° | 48.9° | +5.3° |
| 9 November – 18 November | 56.5° | 42.5° | +7.8° |
| 19 November – 28 November | at normal | 36.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Dundee (8 mi).
0.19
Heron Lake, Saturday, 31 October
Rain. High 61°, low 44°.
0Heron Lake, Sunday, 1 November
Overcast. High 66°, low 51°.
0.71Heron Lake, Monday, 2 November
Rain. High 59°, low 56°.
0.1Heron Lake, Tuesday, 3 November
Light rain. High 65°, low 56°.
0.72Heron Lake, Wednesday, 4 November
Rain. High 56°, low 50°.
0.07Heron Lake, Thursday, 5 November
Light rain. High 57°, low 47°.
0Heron Lake, Friday, 6 November
Overcast. High 58°, low 50°.
1.07Heron Lake, Saturday, 7 November
Rain. High 55°, low 50°.
1.43Heron Lake, Sunday, 8 November
Rain. High 54°, low 53°.
0.31Heron Lake, Monday, 9 November
Light rain. High 59°, low 53°.
0.44Heron Lake, Tuesday, 10 November
Rain. High 59°, low 52°.
0
Heron Lake, Wednesday, 11 November
Clear. High 60°, low 48°.
0.15Heron Lake, Thursday, 12 November
Rain. High 60°, low 49°.
0.29Heron Lake, Friday, 13 November
Light rain. High 54°, low 46°.
0Heron Lake, Saturday, 14 November
Light rain. High 47°, low 39°.
0.06
Heron Lake, Sunday, 15 November
Climate normal for this date — 60-year average.
0.1
Heron Lake, Monday, 16 November
Climate normal for this date — 60-year average.
0.06Heron Lake, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Heron Lake, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Heron Lake, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08Heron Lake, Friday, 20 November
Climate normal for this date — 60-year average.
0.04Heron Lake, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04Heron Lake, Sunday, 22 November
Climate normal for this date — 60-year average.
0.05Heron Lake, Monday, 23 November
Climate normal for this date — 60-year average.
0.05Heron Lake, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.02Heron Lake, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.06
Heron Lake, Thursday, 26 November
Climate normal for this date — 60-year average.
0.07Heron Lake, Friday, 27 November
Climate normal for this date — 60-year average.
0.09Heron Lake, Saturday, 28 November
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 Heron Lake, MN 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 Heron Lake, MN 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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