Box Elder, SD Weather Forecast

Local 7-day forecast

39°
F

Mostly Cloudy

Track current conditions, temperature changes, wind, and the full daily outlook for Box Elder, SD in one place.

Tuesday, October 13, 2026
Wind: 3 mph N
Tonight

Mostly cloudy, with a low around 39. North wind around 3 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Box Elder, SD 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: Oct 13, 2026 9:07 PM MDT.

The active forecast window currently covers Oct 13 to Oct 20, 2026 for Box Elder, SD.

Page Snapshot

Page focus
city weather
Forecast window
Oct 13 to Oct 20, 2026
Latest sync
Oct 13, 2026 9:07 PM MDT
Forecast office
UNR
Source
NOAA / NWS
Next High
55°F
Wednesday
Next Low
39°F
Tonight
Rain Outlook
2
Periods mentioning precipitation
Windiest
16 to 29 mph
Thursday

Daily Outlook

Today
Oct 13
Mostly Cloudy
39 °F
/ 39°F
Wind 3 mph
Wed
Oct 14
Mostly Cloudy then Chance Rain Showers
55 °F
/ 43°F
Wind 2 to 6 mph
Thu
Oct 15
Mostly Sunny
59 °F
/ 30°F
Wind 16 to 29 mph
Fri
Oct 16
Widespread Frost then Sunny
64 °F
/ 40°F
Wind 5 to 22 mph
Sat
Oct 17
Sunny
76 °F
/ 47°F
Wind 3 to 7 mph
Sun
Oct 18
Sunny
69 °F
/ 41°F
Wind 6 to 15 mph
Mon
Oct 19
Sunny
73 °F
/ 47°F
Wind 7 to 17 mph

This Week in Box Elder

Saturday looks like the warmest upcoming period in Box Elder at 76 degrees F.

Thursday Night is the coolest period ahead with temperatures near 30 degrees F.

The strongest winds are forecast for Thursday at about 16 to 29 mph NW.

Precipitation is mentioned in 2 upcoming forecast periods.

Forecast Details

Last updated
Oct 13, 2026 9:07 PM MDT
Coverage
7 days
Time zone
America/Denver
Forecast office
UNR
Radar station
KUDX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Wednesday
Oct 14
55°F
Mostly Cloudy then Chance Rain Showers
2 to 6 mph NE

A chance of rain showers after noon. Mostly cloudy. High near 55, with temperatures falling to around 52 in the afternoon. Northeast wind 2 to 6 mph, with gusts as high as 16 mph. Chance of precipitation is 40%.

Wednesday Night
Oct 14
43°F
Light Rain
3 to 13 mph E

Rain. Cloudy, with a low around 43. East wind 3 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

Thursday
Oct 15
59°F
Mostly Sunny
16 to 29 mph NW

Mostly sunny. High near 59, with temperatures falling to around 55 in the afternoon. Northwest wind 16 to 29 mph, with gusts as high as 48 mph.

Thursday Night
Oct 15
30°F
Clear then Widespread Frost
5 to 24 mph NW

Widespread frost after 3am. Clear, with a low around 30. Northwest wind 5 to 24 mph, with gusts as high as 43 mph.

Friday
Oct 16
64°F
Widespread Frost then Sunny
5 to 22 mph SW

Widespread frost before 7am. Sunny. High near 64, with temperatures falling to around 61 in the afternoon. Southwest wind 5 to 22 mph, with gusts as high as 36 mph.

Friday Night
Oct 16
40°F
Clear
7 to 18 mph S

Clear, with a low around 40.

Saturday
Oct 17
76°F
Sunny
3 to 7 mph S

Sunny, with a high near 76.

Saturday Night
Oct 17
47°F
Mostly Clear
2 to 10 mph W

Mostly clear, with a low around 47.

Sunday
Oct 18
69°F
Sunny
6 to 15 mph N

Sunny, with a high near 69.

Sunday Night
Oct 18
41°F
Mostly Clear
6 mph W

Mostly clear, with a low around 41.

Monday
Oct 19
73°F
Sunny
7 to 17 mph S

Sunny, with a high near 73.

Monday Night
Oct 19
47°F
Mostly Clear
10 to 14 mph S

Mostly clear, with a low around 47.

Tuesday
Oct 20
75°F
Sunny
12 to 18 mph S

Sunny, with a high near 75.

Detailed Forecast

Period Conditions Temp Wind
Tonight
Oct 13
Mostly Cloudy
39°F
3 mph
N
Wednesday
Oct 14
Mostly Cloudy then Chance Rain Showers
55°F
2 to 6 mph
NE
Wednesday Night
Oct 14
Light Rain
43°F
3 to 13 mph
E
Thursday
Oct 15
Mostly Sunny
59°F
16 to 29 mph
NW
Thursday Night
Oct 15
Clear then Widespread Frost
30°F
5 to 24 mph
NW
Friday
Oct 16
Widespread Frost then Sunny
64°F
5 to 22 mph
SW
Friday Night
Oct 16
Clear
40°F
7 to 18 mph
S
Saturday
Oct 17
Sunny
76°F
3 to 7 mph
S
Saturday Night
Oct 17
Mostly Clear
47°F
2 to 10 mph
W
Sunday
Oct 18
Sunny
69°F
6 to 15 mph
N
Sunday Night
Oct 18
Mostly Clear
41°F
6 mph
W
Monday
Oct 19
Sunny
73°F
7 to 17 mph
S
Monday Night
Oct 19
Mostly Clear
47°F
10 to 14 mph
S
Tuesday
Oct 20
Sunny
75°F
12 to 18 mph
S
Box Elder  South Dakota
Box Elder South Dakota image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.