Weather in Heron Lake, MN
Heron Lake, Sunday, 25 October, 11:36
Overcast. Feels like 44°. High 49°, low 45°.
Monthly outlook for Heron Lake, MN: average high 56.2°, average low 46.8°. That is 3.4° above the climate normal for October. Precipitation is expected on 7 days (about 1.7 inches), against a normal of 3 days and 0.9 inches. The warmest day looks like 28 October (66.4°), the coolest 6 November (39.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 59.1° | 51.6° | +4.2° |
| 4 November – 13 November | 51.5° | 45.3° | +3.4° |
| 14 November – 23 November | at normal | 40.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Dundee (8 mi).
0.41
Heron Lake, Monday, 26 October
Rain. High 46°, low 41°.
0.06Heron Lake, Tuesday, 27 October
Light rain. High 59°, low 44°.
0.3Heron Lake, Wednesday, 28 October
Rain. High 66°, low 54°.
0
Heron Lake, Thursday, 29 October
Clear. High 63°, low 48°.
0Heron Lake, Friday, 30 October
Overcast. High 62°, low 46°.
0.24Heron Lake, Saturday, 31 October
Light rain. High 57°, low 54°.
0
Heron Lake, Sunday, 1 November
Mostly clear. High 66°, low 53°.
0.02Heron Lake, Monday, 2 November
Light rain. High 66°, low 56°.
0Heron Lake, Tuesday, 3 November
Overcast. High 57°, low 50°.
0Heron Lake, Wednesday, 4 November
Overcast. High 52°, low 45°.
0Heron Lake, Thursday, 5 November
Overcast. High 52°, low 42°.
0Heron Lake, Friday, 6 November
Overcast. High 54°, low 40°.
0.21Heron Lake, Saturday, 7 November
Rain. High 51°, low 48°.
0.35Heron Lake, Sunday, 8 November
Light rain. High 47°, low 42°.
0Heron Lake, Monday, 9 November
Overcast. High 52°, low 43°.
0.08
Heron Lake, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.04Heron Lake, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Heron Lake, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Heron Lake, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Heron Lake, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Heron Lake, Sunday, 15 November
Climate normal for this date — 60-year average.
0.1Heron 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.
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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