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Willow Lake SD Weather - Clear - 56°F
Clear
56°F
Updated 1:22 am
Feels Like 57°F
Humidity 83%
Wind N 0 mph
Barometer  30.09 in
Dew Point 51°F
Willow Lake SD Weather - Clear - 13°C
Clear
13°C
Updated 1:22 am
Feels Like 14°C
Humidity 83%
Wind N 0 km/h
Barometer  101.8 kPa
Dew Point 11°C
Willow Lake, SD Weather and Current Conditionswillow lake sd weather forecast

Willow Lake, SD Weather Forecast

Willow Lake South Dakota WeatherWillow Lake, South Dakota Weather Weather Forecast
14 day API forecast for Willow Lake, South Dakota. Note. The 7-day weather forecast for Willow Lake, SD is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Willow Lake, SD Weather Forecast Dated: 122 AM Thu Sep 10 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Thursday, September 10, 2026

Mid-Morning
Willow Lake Weather - 2026-09-10 - Morning - Sunny
64°F 18°C
Sunny
Mid-Afternoon
Willow Lake Weather - 2026-09-10 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Willow Lake Weather - 2026-09-10 - Evening - Partly Cloudy
83°F 28°C
Partly Cloudy
Warm and summery near 84°F 29°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds turning from the S to the SSE at 15 mph 25 km/h. Gusts up to 27 mph 44 km/h.

Friday, September 11, 2026

Mid-Morning
Willow Lake Weather - 2026-09-11 - Morning - Cloudy
70°F 21°C
Cloudy
Mid-Afternoon
Willow Lake Weather - 2026-09-11 - Afternoon - Sunny
96°F 36°C
Sunny
Early-Evening
Willow Lake Weather - 2026-09-11 - Evening - Cloudy
84°F 29°C
Cloudy
Hot and sweltering around 96°F 36°C, cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds switching from the S to the NNW at 22 mph 36 km/h. Gusts up to 33 mph 54 km/h.

Saturday, September 12, 2026

Mid-Morning
Willow Lake Weather - 2026-09-12 - Morning - Scattered Showers
54°F 12°C
Scattered Showers
Mid-Afternoon
Willow Lake Weather - 2026-09-12 - Afternoon - Cloudy
64°F 18°C
Cloudy
Early-Evening
Willow Lake Weather - 2026-09-12 - Evening - Overcast
63°F 17°C
Overcast
Comfortable at 64°F 18°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds moving from the N to the NNW at 6 mph 10 km/h.

Sunday, September 13, 2026

Mid-Morning
Willow Lake Weather - 2026-09-13 - Morning - Overcast
54°F 12°C
Overcast
Mid-Afternoon
Willow Lake Weather - 2026-09-13 - Afternoon - Light Showers
59°F 15°C
Light Showers
Early-Evening
Willow Lake Weather - 2026-09-13 - Evening - Light Showers
56°F 14°C
Light Showers
Cool with a high near 59°F 15°C, drier morning followed by showers lasting through evening, with increasing humidity and barometric pressure falling. Winds out of the ESE at 16 mph 25 km/h. Gusts up to 37 mph 60 km/h.

Monday, September 14, 2026

Mid-Morning
Willow Lake Weather - 2026-09-14 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Willow Lake Weather - 2026-09-14 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
Willow Lake Weather - 2026-09-14 - Evening - Sunny
58°F 15°C
Sunny
Refreshing around 66°F 19°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure rising. Winds building from W at 11 mph 17 km/h to WNW at 19 mph 30 km/h. Gusts up to 31 mph 50 km/h.

Tuesday, September 15, 2026

Mid-Morning
Willow Lake Weather - 2026-09-15 - Morning - Sunny
46°F 8°C
Sunny
Mid-Afternoon
Willow Lake Weather - 2026-09-15 - Afternoon - Sunny
64°F 18°C
Sunny
Early-Evening
Willow Lake Weather - 2026-09-15 - Evening - Sunny
66°F 19°C
Sunny
Mildly cool near 64°F 18°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the NW to the W at 6 mph 9 km/h.

Wednesday, September 16, 2026

Mid-Morning
Willow Lake Weather - 2026-09-16 - Morning - Sunny
56°F 13°C
Sunny
Mid-Afternoon
Willow Lake Weather - 2026-09-16 - Afternoon - Overcast
57°F 14°C
Overcast
Early-Evening
Willow Lake Weather - 2026-09-16 - Evening - Light Showers
54°F 12°C
Light Showers
Chilly near 57°F 14°C, drier conditions through late afternoon before showers move in, with increasing humidity and barometric pressure falling. Winds switching from the ESE to the SE at 11 mph 16 km/h. Gusts up to 24 mph 38 km/h.

Thursday, September 17, 2026

Mid-Morning
Willow Lake Weather - 2026-09-17 - Morning - Light Showers
50°F 10°C
Light Showers
Mid-Afternoon
Willow Lake Weather - 2026-09-17 - Afternoon - Heavy Rain Showers
52°F 11°C
Heavy Rain Showers
Early-Evening
Willow Lake Weather - 2026-09-17 - Evening - Scattered Showers
52°F 11°C
Scattered Showers
Crisp with a high near 52°F 11°C, scattered downpours possible, with lower humidity and barometric pressure rising. Winds blowing from the N at 15 mph 24 km/h.

Friday, September 18, 2026

Mid-Morning
Willow Lake Weather - 2026-09-18 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Willow Lake Weather - 2026-09-18 - Afternoon - Sunny
64°F 18°C
Sunny
Early-Evening
Willow Lake Weather - 2026-09-18 - Evening - Sunny
66°F 19°C
Sunny
Refreshing around 64°F 18°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the W to the S at 7 mph 11 km/h.

Saturday, September 19, 2026

Mid-Morning
Willow Lake Weather - 2026-09-19 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Willow Lake Weather - 2026-09-19 - Afternoon - Sunny
70°F 21°C
Sunny
Early-Evening
Willow Lake Weather - 2026-09-19 - Evening - Sunny
70°F 21°C
Sunny
Mild with a high of 70°F 21°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds shifting from the SSW to the SSE at 8 mph 12 km/h.

Sunday, September 20, 2026

Mid-Morning
Willow Lake Weather - 2026-09-20 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Willow Lake Weather - 2026-09-20 - Afternoon - Cloudy
76°F 25°C
Cloudy
Early-Evening
Willow Lake Weather - 2026-09-20 - Evening - Overcast
78°F 26°C
Overcast
Pleasant near 76°F 25°C, partly cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the S to the SSE at 12 mph 18 km/h. Gusts up to 24 mph 38 km/h.

Monday, September 21, 2026

Mid-Morning
Willow Lake Weather - 2026-09-21 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Willow Lake Weather - 2026-09-21 - Afternoon - Sunny
80°F 27°C
Sunny
Early-Evening
Willow Lake Weather - 2026-09-21 - Evening - Sunny
77°F 25°C
Sunny
Balmy with temperatures reaching 80°F 27°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds switching from the E to the ESE at 9 mph 14 km/h.

Tuesday, September 22, 2026

Mid-Morning
Willow Lake Weather - 2026-09-22 - Morning - Cloudy
68°F 20°C
Cloudy
Mid-Afternoon
Willow Lake Weather - 2026-09-22 - Afternoon - Overcast
74°F 23°C
Overcast
Early-Evening
Willow Lake Weather - 2026-09-22 - Evening - Overcast
75°F 24°C
Overcast
Enjoyable around 74°F 23°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure rising. Winds moving from the SSE to the ESE at 8 mph 13 km/h.

Wednesday, September 23, 2026

Mid-Morning
Willow Lake Weather - 2026-09-23 - Morning - Light Fog
53°F 12°C
Light Fog
Mid-Afternoon
Willow Lake Weather - 2026-09-23 - Afternoon - Sunny
61°F 16°C
Sunny
Early-Evening
Willow Lake Weather - 2026-09-23 - Evening - Sunny
62°F 17°C
Sunny
Mildly cool near 61°F 16°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the NNW to the NE at 9 mph 14 km/h.

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Weather by the Numbers

Thu, 10th
Willow Lake SD Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 84°F 29°C
Lo: 59°F 15°C
Sunrise 07:04 AM
Sunset 07:51 PM
Wind SSW 17 mph27 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 0% *
Humidity 23%
Fri, 11th
Willow Lake SD Weather - Friday, Sep 11, 2026 - Overcast
Hi: 98°F 37°C
Lo: 65°F 18°C
Sunrise 07:05 AM
Sunset 07:49 PM
Wind S 22 mph36 km/h
Dew Point 53°F12°C
uv Index 5
Barometric Pressure 29.56 in1001 mb
POP 9% *
Humidity 35%
Sat, 12th
Willow Lake SD Weather - Saturday, Sep 12, 2026 - Patchy Rain Nearby
Hi: 67°F 19°C
Lo: 50°F 10°C
Sunrise 07:07 AM
Sunset 07:47 PM
Wind NNW 9 mph15 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 10% *
Humidity 39%
Sun, 13th
Willow Lake SD Weather - Sunday, Sep 13, 2026 - Patchy Rain Nearby
Hi: 62°F 17°C
Lo: 54°F 12°C
Sunrise 07:08 AM
Sunset 07:45 PM
Wind ESE 15 mph24 km/h
Dew Point 37°F3°C
uv Index 2
Barometric Pressure 30.03 in1017 mb
POP 12% *
Humidity 40%
Mon, 14th
Willow Lake SD Weather - Monday, Sep 14, 2026 - Patchy Rain Nearby
Hi: 67°F 19°C
Lo: 48°F 9°C
Sunrise 07:09 AM
Sunset 07:43 PM
Wind NW 16 mph26 km/h
Dew Point 51°F11°C
uv Index 3
Barometric Pressure 29.77 in1008 mb
POP 20% *
Humidity 81%
Tue, 15th
Willow Lake SD Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 70°F 21°C
Lo: 41°F 5°C
Sunrise 07:10 AM
Sunset 07:42 PM
Wind WNW 11 mph17 km/h
Dew Point 34°F1°C
uv Index 4
Barometric Pressure 30.18 in1022 mb
POP 1% *
Humidity 43%
Wed, 16th
Willow Lake SD Weather - Wednesday, Sep 16, 2026 - Partly Cloudy
Hi: 61°F 16°C
Lo: 51°F 10°C
Sunrise 07:11 AM
Sunset 07:40 PM
Wind SE 15 mph24 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 8% *
Humidity 42%
Thu, 17th
Willow Lake SD Weather - Thursday, Sep 17, 2026 - Moderate Or Heavy Rain Shower
Hi: 53°F 12°C
Lo: 50°F 10°C
Sunrise 07:12 AM
Sunset 07:38 PM
Wind NNW 14 mph22 km/h
Dew Point 48°F9°C
uv Index 3
Barometric Pressure 30.09 in1019 mb
POP 87% *
Humidity 94%
Fri, 18th
Willow Lake SD Weather - Friday, Sep 18, 2026 - Sunny
Hi: 69°F 21°C
Lo: 50°F 10°C
Sunrise 07:14 AM
Sunset 07:36 PM
Wind W 8 mph13 km/h
Dew Point 42°F6°C
uv Index 4
Barometric Pressure 30.18 in1022 mb
POP 3% *
Humidity 56%
Sat, 19th
Willow Lake SD Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 72°F 22°C
Lo: 55°F 13°C
Sunrise 07:15 AM
Sunset 07:34 PM
Wind SSW 8 mph13 km/h
Dew Point 42°F5°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 43%
Sun, 20th
Willow Lake SD Weather - Sunday, Sep 20, 2026 - Cloudy
Hi: 79°F 26°C
Lo: 60°F 15°C
Sunrise 07:16 AM
Sunset 07:32 PM
Wind S 12 mph20 km/h
Dew Point 49°F9°C
uv Index 5
Barometric Pressure 29.85 in1011 mb
POP 7% *
Humidity 49%
Mon, 21st
Willow Lake SD Weather - Monday, Sep 21, 2026 - Sunny
Hi: 81°F 27°C
Lo: 65°F 18°C
Sunrise 07:17 AM
Sunset 07:30 PM
Wind ENE 7 mph11 km/h
Dew Point 50°F10°C
uv Index 6
Barometric Pressure 29.8 in1009 mb
POP 1% *
Humidity 44%
Tue, 22nd
Willow Lake SD Weather - Tuesday, Sep 22, 2026 - Overcast
Hi: 77°F 25°C
Lo: 67°F 20°C
Sunrise 07:18 AM
Sunset 07:28 PM
Wind SSE 5 mph8 km/h
Dew Point 54°F12°C
uv Index 5
Barometric Pressure 29.77 in1008 mb
POP 13% *
Humidity 54%
Wed, 23rd
Willow Lake SD Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 65°F 19°C
Lo: 53°F 11°C
Sunrise 07:20 AM
Sunset 07:27 PM
Wind N 15 mph25 km/h
Dew Point 34°F1°C
uv Index 4
Barometric Pressure 30.45 in1031 mb
POP 1% *
Humidity 42%
* POP = Probability of Precipitation. Data for 12:00 PM.