Junction City, SD Hourly Weather Forecast
Next 48 Hours
Thu, Apr 16th 2026
Expect consistent Sunny skies throughout the day. Warming trend from 66°F to 87°. Windy conditions, shifting from SSW to S at 16 mph, with humidity ranging 11% to 37%, and an avg barometric pressure of 29.6 inHg.
| Thu, Apr 16th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
3 PM Sunny UV: 5.6 |
86°F Feels 83°F |
16% | 15 SSW | 29.62 | 36.6°F | 0% |
4 PM SunnyUV: 4 |
87°F Feels 83°F |
12% | 15 SSW | 29.6 | 30.5°F | 0% |
5 PM SunnyUV: 2.4 |
87°F Feels 83°F |
11% | 17.2 SW | 29.59 | 26°F | 0% |
6 PM SunnyUV: 1.1 |
85°F Feels 81°F |
11% | 17 SSW | 29.58 | 25.9°F | 0% |
7 PM SunnyUV: 0.3 |
80°F Feels 78°F |
12% | 13.6 S | 29.59 | 25.3°F | 0% |
8 PM SunnyUV: 0 |
76°F Feels 75°F |
16% | 14.5 S | 29.6 | 27.2°F | 0% |
9 PM Clear UV: 0 |
72°F Feels 72°F |
22% | 15.4 S | 29.61 | 30°F | 0% |
10 PM ClearUV: 0 |
69°F Feels 69°F |
25% | 17.4 S | 29.62 | 31.6°F | 0% |
11 PM ClearUV: 0 |
66°F Feels 66°F |
37% | 18.6 S | 29.62 | 38.4°F | 0% |
Fri, Apr 17th 2026
Overcast conditions early, becoming partly cloudy later. Rain forecasted to be moderate or heavy rain in area with thunder (up to 0.04in). Warming trend from 40°F to 65°. Windy conditions, shifting from SSE to NNW at 18 mph, as humidity fluctuates between 42% to 98%, and an avg barometric pressure of 29.69 inHg.
| Fri, Apr 17th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM ClearUV: 0 |
65°F Feels 65°F |
46% | 18.3 SSE | 29.61 | 43.1°F | 0% |
1 AM ClearUV: 0 |
64°F Feels 64°F |
56% | 19 SSE | 29.59 | 48.3°F | 0% |
2 AM ClearUV: 0 |
62°F Feels 62°F |
69% | 19.5 S | 29.56 | 51.6°F | 0% |
3 AM ClearUV: 0 |
60°F Feels 58°F |
82% | 16.6 SSE | 29.54 | 54.4°F | 0% |
4 AM Partly Cloudy UV: 0 |
59°F Feels 57°F |
95% | 17.4 SSE | 29.51 | 56.6°F | 0% |
5 AM Overcast UV: 0 |
60°F Feels 59°F |
98% | 17.2 SSE | 29.5 | 58.1°F | 0% |
6 AM OvercastUV: 0 |
60°F Feels 59°F |
97% | 8.1 SSW | 29.48 | 59.1°F | 0% |
7 AM Moderate Or Heavy Rain In Area With Thunder UV: 0 |
60°F Feels 60°F |
98% | 8.1 SSE | 29.48 | 59.8°F | 100% Rain est. 0.04in |
8 AM Fog UV: 0.2 |
54°F Feels 50°F |
97% | 8.3 SSE | 29.49 | 59.3°F | 0% |
9 AM Overcast UV: 0.8 |
46°F Feels 39°F |
90% | 14.5 W | 29.59 | 44°F | 0% |
10 AM OvercastUV: 1.7 |
42°F Feels 33°F |
78% | 19 NW | 29.67 | 32.5°F | 0% |
11 AM OvercastUV: 2.7 |
40°F Feels 31°F |
75% | 19.7 NW | 29.7 | 31.2°F | 0% |
12 PM OvercastUV: 5 |
40°F Feels 30°F |
67% | 22.1 NW | 29.74 | 28.4°F | 0% |
1 PM OvercastUV: 4.7 |
42°F Feels 33°F |
62% | 21.5 NW | 29.76 | 27.7°F | 0% |
2 PM OvercastUV: 5.5 |
44°F Feels 36°F |
54% | 21.9 NW | 29.76 | 28.3°F | 0% |
3 PM OvercastUV: 4.8 |
46°F Feels 39°F |
50% | 23.3 NW | 29.76 | 28.6°F | 0% |
4 PM Partly Cloudy UV: 3 |
46°F Feels 39°F |
46% | 24.2 NNW | 29.77 | 28.9°F | 0% |
5 PM Partly CloudyUV: 1.8 |
46°F Feels 38°F |
45% | 25.5 NW | 29.8 | 26°F | 0% |
6 PM Partly CloudyUV: 0.7 |
45°F Feels 37°F |
44% | 25.3 NW | 29.81 | 24.6°F | 0% |
7 PM Partly CloudyUV: 0.2 |
44°F Feels 36°F |
43% | 21.3 NNW | 29.83 | 23.2°F | 0% |
8 PM Partly CloudyUV: 0 |
44°F Feels 36°F |
43% | 19 NNW | 29.87 | 22.8°F | 0% |
9 PM Partly CloudyUV: 0 |
44°F Feels 36°F |
43% | 16.1 NNW | 29.9 | 22.7°F | 0% |
10 PM Partly CloudyUV: 0 |
44°F Feels 38°F |
43% | 11.4 NNW | 29.92 | 22.5°F | 0% |
11 PM Cloudy UV: 0 |
43°F Feels 36°F |
42% | 13.6 NNW | 29.94 | 23.7°F | 0% |
Sat, Apr 18th 2026
Sunny skies giving way to Clear conditions by evening. Warming trend from 32°F to 52°. Windy conditions, shifting from NNW to WNW at 15.2 mph, as humidity ranges 20% to 70%, and an avg barometric pressure of 30.05 inHg.
| Sat, Apr 18th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Partly CloudyUV: 0 |
42°F Feels 36°F |
48% | 14.3 NNW | 29.97 | 23°F | 0% |
1 AM ClearUV: 0 |
39°F Feels 33°F |
50% | 12.1 NNW | 29.98 | 23.1°F | 0% |
2 AM ClearUV: 0 |
36°F Feels 30°F |
60% | 10.5 NNW | 29.99 | 23.3°F | 0% |
3 AM ClearUV: 0 |
34°F Feels 28°F |
65% | 10.3 NW | 30 | 23.4°F | 0% |
4 AM ClearUV: 0 |
33°F Feels 25°F |
70% | 11.9 NW | 30 | 23.5°F | 0% |
5 AM ClearUV: 0 |
32°F Feels 24°F |
64% | 12.8 NW | 30.04 | 21°F | 0% |
6 AM ClearUV: 0 |
32°F Feels 22°F |
61% | 13.4 NW | 30.05 | 19.7°F | 0% |
7 AM SunnyUV: 0 |
34°F Feels 23°F |
58% | 13.2 WNW | 30.07 | 18.5°F | 0% |
8 AM SunnyUV: 0.3 |
35°F Feels 25°F |
48% | 14.8 WNW | 30.1 | 17.1°F | 0% |
9 AM SunnyUV: 1 |
37°F Feels 27°F |
43% | 18.6 NW | 30.11 | 16.4°F | 0% |
10 AM SunnyUV: 2.1 |
41°F Feels 32°F |
39% | 18.8 NW | 30.12 | 15.7°F | 0% |
11 AM SunnyUV: 3.4 |
44°F Feels 36°F |
31% | 19 NW | 30.11 | 15.1°F | 0% |
12 PM SunnyUV: 4.6 |
47°F Feels 40°F |
27% | 19 WNW | 30.1 | 14.9°F | 0% |
1 PM SunnyUV: 5.3 |
50°F Feels 44°F |
23% | 19.2 WNW | 30.09 | 14.6°F | 0% |
2 PM SunnyUV: 5.3 |
52°F Feels 46°F |
20% | 20.8 WNW | 30.08 | 13.5°F | 0% |
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|
83°F |
29.67 inHg.
Barometer 20%
Humidity SSW 14.8mph Wind |
| Sunny | ||
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