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Reliance SD Weather - Clear - 68°F
Clear
68°F
Updated 3:47 am
Feels Like 71°F
Humidity 86%
Wind N 0 mph
Barometer  29.85 in
Dew Point 63°F
Reliance SD Weather - Clear - 20°C
Clear
20°C
Updated 3:47 am
Feels Like 22°C
Humidity 86%
Wind N 0 km/h
Barometer  101 kPa
Dew Point 17°C
Reliance, SD Weather and Current Conditionsreliance sd weather forecast

Reliance, SD Weather Forecast

Reliance South Dakota WeatherReliance, South Dakota Weather Weather Forecast
14 day API Reliance, SD weather forecast. Note. Our 7-day weather forecast for Reliance, South Dakota is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Reliance, SD Weather Forecast Dated: 347 AM Fri Sep 04 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. comfortable humidity and no major pressure swings will dominate.

Friday, September 4, 2026

Mid-Morning
Reliance Weather - 2026-09-04 - Morning - Overcast
73°F 23°C
Overcast
Mid-Afternoon
Reliance Weather - 2026-09-04 - Afternoon - Sunny
100°F 38°C
Sunny
Early-Evening
Reliance Weather - 2026-09-04 - Evening - Sunny
92°F 34°C
Sunny
Scorching hot near 100°F 38°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the ENE to the SE at 10 mph 16 km/h.

Saturday, September 5, 2026

Mid-Morning
Reliance Weather - 2026-09-05 - Morning - Sunny
77°F 25°C
Sunny
Mid-Afternoon
Reliance Weather - 2026-09-05 - Afternoon - Nearby Thunderstorms
98°F 37°C
Nearby Thunderstorms
Early-Evening
Reliance Weather - 2026-09-05 - Evening - Overcast
97°F 36°C
Overcast
Hot and sweltering around 98°F 37°C, locally heavy thunderstorms at times, with lower humidity and steady pressure. Winds switching from the SSE to the W at 7 mph 11 km/h.

Sunday, September 6, 2026

Mid-Morning
Reliance Weather - 2026-09-06 - Morning - Scattered Showers
72°F 22°C
Scattered Showers
Mid-Afternoon
Reliance Weather - 2026-09-06 - Afternoon - Sunny
94°F 35°C
Sunny
Early-Evening
Reliance Weather - 2026-09-06 - Evening - Sunny
93°F 34°C
Sunny
Sizzling hot with 94°F 35°C, locally heavy downpours at times, with lower humidity and barometric pressure falling. Winds moving from the SE to the ESE at 11 mph 17 km/h.

Monday, September 7, 2026

Mid-Morning
Reliance Weather - 2026-09-07 - Morning - Overcast
71°F 22°C
Overcast
Mid-Afternoon
Reliance Weather - 2026-09-07 - Afternoon - Sunny
93°F 34°C
Sunny
Early-Evening
Reliance Weather - 2026-09-07 - Evening - Sunny
93°F 34°C
Sunny
Hot temperatures near 93°F 34°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds out of the SSW at 11 mph 18 km/h.

Tuesday, September 8, 2026

Mid-Morning
Reliance Weather - 2026-09-08 - Morning - Sunny
71°F 22°C
Sunny
Mid-Afternoon
Reliance Weather - 2026-09-08 - Afternoon - Overcast
87°F 31°C
Overcast
Early-Evening
Reliance Weather - 2026-09-08 - Evening - Overcast
85°F 30°C
Overcast
Very warm with a high of 87°F 31°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds shifting from the SW to the ESE at 9 mph 13 km/h.

Wednesday, September 9, 2026

Mid-Morning
Reliance Weather - 2026-09-09 - Morning - Overcast
76°F 24°C
Overcast
Mid-Afternoon
Reliance Weather - 2026-09-09 - Afternoon - Overcast
90°F 32°C
Overcast
Early-Evening
Reliance Weather - 2026-09-09 - Evening - Sunny
85°F 30°C
Sunny
Very hot with temperatures reaching 90°F 32°C, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds SSE at 12 mph 20 km/h.

Thursday, September 10, 2026

Mid-Morning
Reliance Weather - 2026-09-10 - Morning - Overcast
68°F 20°C
Overcast
Mid-Afternoon
Reliance Weather - 2026-09-10 - Afternoon - Overcast
93°F 34°C
Overcast
Early-Evening
Reliance Weather - 2026-09-10 - Evening - Sunny
91°F 33°C
Sunny
Hot and sweltering around 93°F 34°C, overcast in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and barometric pressure falling. Winds switching from the ENE to the SE at 13 mph 22 km/h. Gusts up to 22 mph 35 km/h.

Friday, September 11, 2026

Mid-Morning
Reliance Weather - 2026-09-11 - Morning - Sunny
83°F 28°C
Sunny
Mid-Afternoon
Reliance Weather - 2026-09-11 - Afternoon - Scattered Showers
78°F 26°C
Scattered Showers
Early-Evening
Reliance Weather - 2026-09-11 - Evening - Heavy Rain Showers
76°F 24°C
Heavy Rain Showers
Enjoyable around 78°F 26°C, scattered downpours possible, with increasing humidity and steady pressure. Winds moving from the SSW to the WNW at 10 mph 16 km/h.

Saturday, September 12, 2026

Mid-Morning
Reliance Weather - 2026-09-12 - Morning - Sunny
67°F 19°C
Sunny
Mid-Afternoon
Reliance Weather - 2026-09-12 - Afternoon - Sunny
86°F 30°C
Sunny
Early-Evening
Reliance Weather - 2026-09-12 - Evening - Sunny
86°F 30°C
Sunny
Warm temperatures up to 86°F 30°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds swinging from the SSE to the S at 11 mph 18 km/h.

Sunday, September 13, 2026

Mid-Morning
Reliance Weather - 2026-09-13 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Reliance Weather - 2026-09-13 - Afternoon - Sunny
70°F 21°C
Sunny
Early-Evening
Reliance Weather - 2026-09-13 - Evening - Sunny
68°F 20°C
Sunny
Mild with a high of 70°F 21°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds shifting from the NW to the W at 13 mph 21 km/h. Gusts up to 23 mph 37 km/h.

Monday, September 14, 2026

Mid-Morning
Reliance Weather - 2026-09-14 - Morning - Sunny
65°F 18°C
Sunny
Mid-Afternoon
Reliance Weather - 2026-09-14 - Afternoon - Cloudy
82°F 28°C
Cloudy
Early-Evening
Reliance Weather - 2026-09-14 - Evening - Partly Cloudy
84°F 29°C
Partly Cloudy
Warm and summery near 82°F 28°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling. Winds building from SSW at 13 mph 21 km/h to S at 22 mph 37 km/h. Gusts up to 39 mph 63 km/h.

Tuesday, September 15, 2026

Mid-Morning
Reliance Weather - 2026-09-15 - Morning - Sunny
64°F 18°C
Sunny
Mid-Afternoon
Reliance Weather - 2026-09-15 - Afternoon - Overcast
73°F 23°C
Overcast
Early-Evening
Reliance Weather - 2026-09-15 - Evening - Overcast
73°F 23°C
Overcast
Comfortable with temperatures reaching 73°F 23°C, cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds switching from the NNW to the ENE at 7 mph 11 km/h.

Wednesday, September 16, 2026

Mid-Morning
Reliance Weather - 2026-09-16 - Morning - Sunny
52°F 11°C
Sunny
Mid-Afternoon
Reliance Weather - 2026-09-16 - Afternoon - Overcast
49°F 9°C
Overcast
Early-Evening
Reliance Weather - 2026-09-16 - Evening - Overcast
47°F 9°C
Overcast
Brisk around 49°F 9°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure rising. Winds moving from the N to the NW at 16 mph 27 km/h. Gusts up to 23 mph 37 km/h.

Thursday, September 17, 2026

Mid-Morning
Reliance Weather - 2026-09-17 - Morning - Overcast
45°F 7°C
Overcast
Mid-Afternoon
Reliance Weather - 2026-09-17 - Afternoon - Overcast
56°F 13°C
Overcast
Early-Evening
Reliance Weather - 2026-09-17 - Evening - Overcast
56°F 13°C
Overcast
Cool and brisk at 56°F 13°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds swinging from the NW to the WNW at 5 mph 8 km/h.

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Weather by the Numbers

Fri, 4th
Reliance SD Weather - Friday, Sep 4, 2026 - Sunny
Hi: 101°F 38°C
Lo: 67°F 19°C
Sunrise 07:05 AM
Sunset 08:08 PM
Wind ESE 4 mph6 km/h
Dew Point 42°F6°C
uv Index 6
Barometric Pressure 29.8 in1009 mb
POP 0% *
Humidity 20%
Sat, 5th
Reliance SD Weather - Saturday, Sep 5, 2026 - Overcast
Hi: 99°F 37°C
Lo: 76°F 25°C
Sunrise 07:06 AM
Sunset 08:06 PM
Wind SSE 11 mph17 km/h
Dew Point 55°F13°C
uv Index 6
Barometric Pressure 29.77 in1008 mb
POP 9% *
Humidity 30%
Sun, 6th
Reliance SD Weather - Sunday, Sep 6, 2026 - Overcast
Hi: 96°F 35°C
Lo: 72°F 22°C
Sunrise 07:07 AM
Sunset 08:05 PM
Wind SSE 12 mph19 km/h
Dew Point 62°F17°C
uv Index 6
Barometric Pressure 29.83 in1010 mb
POP 10% *
Humidity 46%
Mon, 7th
Reliance SD Weather - Monday, Sep 7, 2026 - Patchy Rain Nearby
Hi: 96°F 36°C
Lo: 69°F 20°C
Sunrise 07:09 AM
Sunset 08:03 PM
Wind SSW 11 mph18 km/h
Dew Point 60°F16°C
uv Index 6
Barometric Pressure 29.71 in1006 mb
POP 36% *
Humidity 48%
Tue, 8th
Reliance SD Weather - Tuesday, Sep 8, 2026 - Sunny
Hi: 88°F 31°C
Lo: 71°F 22°C
Sunrise 07:10 AM
Sunset 08:01 PM
Wind NW 19 mph31 km/h
Dew Point 52°F11°C
uv Index 7
Barometric Pressure 29.83 in1010 mb
POP 1% *
Humidity 38%
Wed, 9th
Reliance SD Weather - Wednesday, Sep 9, 2026 - Overcast
Hi: 90°F 32°C
Lo: 74°F 23°C
Sunrise 07:11 AM
Sunset 07:59 PM
Wind SSE 10 mph16 km/h
Dew Point 56°F14°C
uv Index 6
Barometric Pressure 29.85 in1011 mb
POP 10% *
Humidity 39%
Thu, 10th
Reliance SD Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 96°F 35°C
Lo: 65°F 18°C
Sunrise 07:12 AM
Sunset 07:57 PM
Wind ESE 14 mph22 km/h
Dew Point 59°F15°C
uv Index 6
Barometric Pressure 29.83 in1010 mb
POP 11% *
Humidity 50%
Fri, 11th
Reliance SD Weather - Friday, Sep 11, 2026 - Patchy Rain Nearby
Hi: 90°F 32°C
Lo: 72°F 22°C
Sunrise 07:13 AM
Sunset 07:56 PM
Wind SSW 19 mph30 km/h
Dew Point 56°F14°C
uv Index 7
Barometric Pressure 29.47 in998 mb
POP 8% *
Humidity 36%
Sat, 12th
Reliance SD Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 90°F 32°C
Lo: 66°F 19°C
Sunrise 07:14 AM
Sunset 07:54 PM
Wind SSE 11 mph18 km/h
Dew Point 43°F6°C
uv Index 6
Barometric Pressure 29.68 in1005 mb
POP 1% *
Humidity 31%
Sun, 13th
Reliance SD Weather - Sunday, Sep 13, 2026 - Patchy Rain Nearby
Hi: 79°F 26°C
Lo: 58°F 15°C
Sunrise 07:15 AM
Sunset 07:52 PM
Wind NW 17 mph27 km/h
Dew Point 39°F4°C
uv Index 4
Barometric Pressure 29.8 in1009 mb
POP 2% *
Humidity 41%
Mon, 14th
Reliance SD Weather - Monday, Sep 14, 2026 - Sunny
Hi: 87°F 30°C
Lo: 60°F 16°C
Sunrise 07:17 AM
Sunset 07:50 PM
Wind S 18 mph29 km/h
Dew Point 32°F-0°C
uv Index 6
Barometric Pressure 29.85 in1011 mb
POP 4% *
Humidity 21%
Tue, 15th
Reliance SD Weather - Tuesday, Sep 15, 2026 - Overcast
Hi: 78°F 26°C
Lo: 61°F 16°C
Sunrise 07:18 AM
Sunset 07:48 PM
Wind NNW 9 mph15 km/h
Dew Point 38°F4°C
uv Index 4
Barometric Pressure 29.74 in1007 mb
POP 10% *
Humidity 34%
Wed, 16th
Reliance SD Weather - Wednesday, Sep 16, 2026 - Overcast
Hi: 66°F 19°C
Lo: 45°F 7°C
Sunrise 07:19 AM
Sunset 07:47 PM
Wind WSW 20 mph32 km/h
Dew Point 39°F4°C
uv Index 3
Barometric Pressure 29.97 in1015 mb
POP 16% *
Humidity 64%
Thu, 17th
Reliance SD Weather - Thursday, Sep 17, 2026 - Overcast
Hi: 57°F 14°C
Lo: 41°F 5°C
Sunrise 07:20 AM
Sunset 07:45 PM
Wind NW 9 mph15 km/h
Dew Point 26°F-4°C
uv Index 3
Barometric Pressure 30.36 in1028 mb
POP 10% *
Humidity 38%
* POP = Probability of Precipitation. Data for 12:00 PM.