Heron Lake, MN Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Heron Lake, MN in one place.
Mostly sunny, with a high near 75. West northwest wind 15 to 30 mph, with gusts as high as 40 mph.
Local Weather Overview
This forecast page for Heron Lake, MN 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: May 11, 2026 2:04 AM CDT.
The active forecast window currently covers May 12 to May 17, 2026 for Heron Lake, MN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 12 to May 17, 2026
- Latest sync
- May 11, 2026 2:04 AM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Heron Lake
Friday looks like the warmest upcoming period in Heron Lake at 84 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Tuesday at about 15 to 30 mph WNW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- May 11, 2026 2:04 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KFSD
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 46. Northwest wind 10 to 25 mph, with gusts as high as 35 mph.
Sunny, with a high near 74. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 46.
Mostly sunny, with a high near 80.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 54.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 12
|
Mostly Sunny
|
75°F |
15 to 30 mph
WNW
|
|
Tuesday Night
May 12
|
Mostly Clear
|
46°F |
10 to 25 mph
NW
|
|
Wednesday
May 13
|
Sunny
|
74°F |
10 to 15 mph
NNW
|
|
Wednesday Night
May 13
|
Mostly Clear
|
46°F |
5 to 10 mph
E
|
|
Thursday
May 14
|
Mostly Sunny
|
80°F |
15 to 30 mph
S
|
|
Thursday Night
May 14
|
Chance Showers And Thunderstorms
|
57°F |
15 to 30 mph
S
|
|
Friday
May 15
|
Slight Chance Showers And Thunderstorms
|
84°F |
15 to 20 mph
WNW
|
|
Friday Night
May 15
|
Slight Chance Showers And Thunderstorms
|
54°F |
10 to 15 mph
NW
|
|
Saturday
May 16
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
80°F |
10 to 20 mph
W
|
|
Saturday Night
May 16
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
55°F |
10 to 20 mph
WSW
|
|
Sunday
May 17
|
Chance Showers And Thunderstorms
|
78°F |
15 to 20 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Heron Lake.