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Lucas SD Weather - Clear - 54°F
Clear
54°F
Updated 6:01 am
Feels Like 57°F
Humidity 80%
Wind SW 8 mph
Barometer  30.18 in
Dew Point 48°F
Lucas SD Weather - Clear - 12°C
Clear
12°C
Updated 6:01 am
Feels Like 14°C
Humidity 80%
Wind SW 13 km/h
Barometer  102.2 kPa
Dew Point 9°C
Lucas, SD Weather and Current Conditionslucas sd weather forecast

Lucas, SD Weather Forecast

Lucas South Dakota WeatherLucas, South Dakota Weather Weather Forecast
14 day API forecast for Lucas, South Dakota. Note. The 7-day weather forecast for Lucas, 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.
Lucas, SD Weather Forecast Dated: 601 AM Wed Sep 09 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.

Wednesday, September 9, 2026

Mid-Morning
Lucas Weather - 2026-09-09 - Morning - Sunny
67°F 19°C
Sunny
Mid-Afternoon
Lucas Weather - 2026-09-09 - Afternoon - Sunny
78°F 26°C
Sunny
Early-Evening
Lucas Weather - 2026-09-09 - Evening - Overcast
74°F 24°C
Overcast
Pleasant near 78°F 26°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds turning from the N to the NNE at 8 mph 13 km/h.

Thursday, September 10, 2026

Mid-Morning
Lucas Weather - 2026-09-10 - Morning - Sunny
62°F 17°C
Sunny
Mid-Afternoon
Lucas Weather - 2026-09-10 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Lucas Weather - 2026-09-10 - Evening - Sunny
84°F 29°C
Sunny
Balmy with temperatures reaching 84°F 29°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds switching from the S to the SSE at 17 mph 27 km/h. Gusts up to 28 mph 45 km/h.

Friday, September 11, 2026

Mid-Morning
Lucas Weather - 2026-09-11 - Morning - Sunny
77°F 25°C
Sunny
Mid-Afternoon
Lucas Weather - 2026-09-11 - Afternoon - Overcast
94°F 34°C
Overcast
Early-Evening
Lucas Weather - 2026-09-11 - Evening - Cloudy
81°F 27°C
Cloudy
Sizzling hot with 94°F 34°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds moving from the SW to the N at 21 mph 34 km/h. Gusts up to 27 mph 44 km/h.

Saturday, September 12, 2026

Mid-Morning
Lucas Weather - 2026-09-12 - Morning - Sunny
54°F 12°C
Sunny
Mid-Afternoon
Lucas Weather - 2026-09-12 - Afternoon - Overcast
70°F 21°C
Overcast
Early-Evening
Lucas Weather - 2026-09-12 - Evening - Partly Cloudy
69°F 21°C
Partly Cloudy
Mild temperatures up to 70°F 21°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds swinging from the NNW to the ENE at 9 mph 15 km/h. Gusts up to 21 mph 35 km/h.

Sunday, September 13, 2026

Mid-Morning
Lucas Weather - 2026-09-13 - Morning - Scattered Showers
49°F 10°C
Scattered Showers
Mid-Afternoon
Lucas Weather - 2026-09-13 - Afternoon - Overcast
66°F 19°C
Overcast
Early-Evening
Lucas Weather - 2026-09-13 - Evening - Overcast
61°F 16°C
Overcast
Refreshing around 66°F 19°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds shifting from the ENE to the E at 15 mph 24 km/h. Gusts up to 24 mph 38 km/h.

Monday, September 14, 2026

Mid-Morning
Lucas Weather - 2026-09-14 - Morning - Fog
53°F 12°C
Fog
Mid-Afternoon
Lucas Weather - 2026-09-14 - Afternoon - Light Showers
57°F 14°C
Light Showers
Early-Evening
Lucas Weather - 2026-09-14 - Evening - Scattered Showers
59°F 15°C
Scattered Showers
Cool and brisk at 57°F 14°C, locally heavy downpours at times, with lower humidity and barometric pressure rising. Winds turning from the WSW to the NNW at 12 mph 20 km/h.

Tuesday, September 15, 2026

Mid-Morning
Lucas Weather - 2026-09-15 - Morning - Light Fog
53°F 12°C
Light Fog
Mid-Afternoon
Lucas Weather - 2026-09-15 - Afternoon - Sunny
68°F 20°C
Sunny
Early-Evening
Lucas Weather - 2026-09-15 - Evening - Sunny
68°F 20°C
Sunny
Comfortable with temperatures reaching 68°F 20°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds picking up from ESE at 4 mph 7 km/h to SE at 13 mph 20 km/h. Gusts up to 23 mph 37 km/h.

Wednesday, September 16, 2026

Mid-Morning
Lucas Weather - 2026-09-16 - Morning - Overcast
58°F 15°C
Overcast
Mid-Afternoon
Lucas Weather - 2026-09-16 - Afternoon - Overcast
83°F 29°C
Overcast
Early-Evening
Lucas Weather - 2026-09-16 - Evening - Partly Cloudy
84°F 29°C
Partly Cloudy
Quite warm around 83°F 29°C, cloudy throughout the day, with lower humidity and barometric pressure falling. Winds moving from the SE to the S at 15 mph 23 km/h. Gusts up to 27 mph 43 km/h.

Thursday, September 17, 2026

Mid-Morning
Lucas Weather - 2026-09-17 - Morning - Sunny
78°F 26°C
Sunny
Mid-Afternoon
Lucas Weather - 2026-09-17 - Afternoon - Sunny
89°F 32°C
Sunny
Early-Evening
Lucas Weather - 2026-09-17 - Evening - Sunny
84°F 29°C
Sunny
Warm temperatures up to 89°F 32°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds swinging from the SW to the NNE at 10 mph 16 km/h.

Friday, September 18, 2026

Mid-Morning
Lucas Weather - 2026-09-18 - Morning - Light Showers
57°F 14°C
Light Showers
Mid-Afternoon
Lucas Weather - 2026-09-18 - Afternoon - Scattered Showers
53°F 11°C
Scattered Showers
Early-Evening
Lucas Weather - 2026-09-18 - Evening - Scattered Showers
47°F 9°C
Scattered Showers
Cool and brisk at 53°F 11°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds shifting from the NE to the NNE at 13 mph 20 km/h.

Saturday, September 19, 2026

Mid-Morning
Lucas Weather - 2026-09-19 - Morning - Fog
47°F 8°C
Fog
Mid-Afternoon
Lucas Weather - 2026-09-19 - Afternoon - Light Fog
49°F 10°C
Light Fog
Early-Evening
Lucas Weather - 2026-09-19 - Evening - Scattered Showers
51°F 10°C
Scattered Showers
Chilly near 49°F 10°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds turning from the ENE to the ESE at 8 mph 12 km/h.

Sunday, September 20, 2026

Mid-Morning
Lucas Weather - 2026-09-20 - Morning - Scattered Showers
56°F 13°C
Scattered Showers
Mid-Afternoon
Lucas Weather - 2026-09-20 - Afternoon - Scattered Showers
56°F 13°C
Scattered Showers
Early-Evening
Lucas Weather - 2026-09-20 - Evening - Scattered Showers
49°F 10°C
Scattered Showers
Crisp with a high near 56°F 13°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds increasing from the SE at 7 mph 12 km/h to NW at 22 mph 36 km/h. Gusts up to 35 mph 56 km/h.

Monday, September 21, 2026

Mid-Morning
Lucas Weather - 2026-09-21 - Morning - Sunny
45°F 7°C
Sunny
Mid-Afternoon
Lucas Weather - 2026-09-21 - Afternoon - Sunny
58°F 14°C
Sunny
Early-Evening
Lucas Weather - 2026-09-21 - Evening - Sunny
60°F 16°C
Sunny
Refreshing around 58°F 14°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the NW to the E at 6 mph 10 km/h.

Tuesday, September 22, 2026

Mid-Morning
Lucas Weather - 2026-09-22 - Morning - Sunny
54°F 12°C
Sunny
Mid-Afternoon
Lucas Weather - 2026-09-22 - Afternoon - Overcast
57°F 14°C
Overcast
Early-Evening
Lucas Weather - 2026-09-22 - Evening - Scattered Showers
54°F 13°C
Scattered Showers
Cool and brisk at 57°F 14°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds swinging from the SE to the SSE at 17 mph 26 km/h. Gusts up to 29 mph 48 km/h.

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Weather by the Numbers

Wed, 9th
Lucas SD Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 78°F 26°C
Lo: 61°F 16°C
Sunrise 07:10 AM
Sunset 07:58 PM
Wind NNW 15 mph24 km/h
Dew Point 42°F5°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 32%
Thu, 10th
Lucas SD Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 87°F 30°C
Lo: 62°F 17°C
Sunrise 07:12 AM
Sunset 07:56 PM
Wind S 15 mph25 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 0% *
Humidity 23%
Fri, 11th
Lucas SD Weather - Friday, Sep 11, 2026 - Overcast
Hi: 94°F 34°C
Lo: 65°F 18°C
Sunrise 07:13 AM
Sunset 07:54 PM
Wind WSW 19 mph30 km/h
Dew Point 23°F-5°C
uv Index 5
Barometric Pressure 29.53 in1000 mb
POP 9% *
Humidity 8%
Sat, 12th
Lucas SD Weather - Saturday, Sep 12, 2026 - Partly Cloudy
Hi: 73°F 23°C
Lo: 53°F 11°C
Sunrise 07:14 AM
Sunset 07:52 PM
Wind N 8 mph13 km/h
Dew Point 34°F1°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 4% *
Humidity 35%
Sun, 13th
Lucas SD Weather - Sunday, Sep 13, 2026 - Light Drizzle
Hi: 69°F 21°C
Lo: 49°F 10°C
Sunrise 07:15 AM
Sunset 07:51 PM
Wind NE 12 mph20 km/h
Dew Point 42°F5°C
uv Index 3
Barometric Pressure 29.91 in1013 mb
POP 41% *
Humidity 70%
Mon, 14th
Lucas SD Weather - Monday, Sep 14, 2026 - Light Rain Shower
Hi: 61°F 16°C
Lo: 53°F 11°C
Sunrise 07:16 AM
Sunset 07:49 PM
Wind NNW 9 mph14 km/h
Dew Point 52°F11°C
uv Index 3
Barometric Pressure 29.97 in1015 mb
POP 53% *
Humidity 93%
Tue, 15th
Lucas SD Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 70°F 21°C
Lo: 53°F 11°C
Sunrise 07:17 AM
Sunset 07:47 PM
Wind ESE 7 mph12 km/h
Dew Point 44°F7°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 3% *
Humidity 56%
Wed, 16th
Lucas SD Weather - Wednesday, Sep 16, 2026 - Light Rain Shower
Hi: 88°F 31°C
Lo: 57°F 14°C
Sunrise 07:18 AM
Sunset 07:45 PM
Wind SSE 21 mph33 km/h
Dew Point 56°F14°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 21% *
Humidity 66%
Thu, 17th
Lucas SD Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 92°F 33°C
Lo: 67°F 19°C
Sunrise 07:19 AM
Sunset 07:44 PM
Wind WNW 7 mph11 km/h
Dew Point 52°F11°C
uv Index 7
Barometric Pressure 29.85 in1011 mb
POP 1% *
Humidity 33%
Fri, 18th
Lucas SD Weather - Friday, Sep 18, 2026 - Light Rain Shower
Hi: 64°F 18°C
Lo: 46°F 8°C
Sunrise 07:20 AM
Sunset 07:42 PM
Wind NE 11 mph17 km/h
Dew Point 55°F13°C
uv Index 3
Barometric Pressure 30.12 in1020 mb
POP 44% *
Humidity 96%
Sat, 19th
Lucas SD Weather - Saturday, Sep 19, 2026 - Fog
Hi: 52°F 11°C
Lo: 47°F 8°C
Sunrise 07:21 AM
Sunset 07:40 PM
Wind ENE 7 mph12 km/h
Dew Point 47°F8°C
uv Index 2
Barometric Pressure 30.03 in1017 mb
POP 40% *
Humidity 97%
Sun, 20th
Lucas SD Weather - Sunday, Sep 20, 2026 - Light Rain Shower
Hi: 59°F 15°C
Lo: 45°F 7°C
Sunrise 07:23 AM
Sunset 07:38 PM
Wind SSW 7 mph12 km/h
Dew Point 56°F14°C
uv Index 3
Barometric Pressure 29.71 in1006 mb
POP 49% *
Humidity 95%
Mon, 21st
Lucas SD Weather - Monday, Sep 21, 2026 - Sunny
Hi: 61°F 16°C
Lo: 41°F 5°C
Sunrise 07:24 AM
Sunset 07:36 PM
Wind NW 9 mph14 km/h
Dew Point 35°F2°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 3% *
Humidity 56%
Tue, 22nd
Lucas SD Weather - Tuesday, Sep 22, 2026 - Partly Cloudy
Hi: 58°F 15°C
Lo: 52°F 11°C
Sunrise 07:25 AM
Sunset 07:35 PM
Wind SSE 17 mph27 km/h
Dew Point 41°F5°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 11% *
Humidity 58%
* POP = Probability of Precipitation. Data for 12:00 PM.