Lyman County, SD Weather Forecast

County weather hub

83°
F

Sunny

Compare major city weather across Lyman County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Thursday, May 14, 2026
Wind: 18 mph WNW
This Afternoon

Sunny, with a high near 83. West northwest wind around 18 mph, with gusts as high as 26 mph.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Lyman County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 0 of 0 mapped cities in Lyman County.

Page Snapshot

Page focus
county weather
Forecast window
May 14 to May 20, 2026
Latest sync
May 14, 2026 7:24 PM CDT
Forecast office
ABR
Source
NOAA / NWS
Next High
83°F
This Afternoon
Next Low
46°F
Tonight
Rain Outlook
6
Periods mentioning precipitation
Windiest
23 to 29 mph
Monday

Daily Outlook

Today
May 14
Sunny
83 °F
/ 46°F
Wind 18 mph
Fri
May 15
Sunny
82 °F
/ 46°F
Wind 7 to 15 mph
Sat
May 16
Sunny
82 °F
/ 50°F
Wind 7 to 22 mph
Sun
May 17
Showers And Thunderstorms
75 °F
/ 43°F
Wind 12 to 18 mph
Mon
May 18
Rain Showers Likely
58 °F
/ 37°F
Wind 23 to 29 mph
Tue
May 19
Chance Rain Showers
58 °F
/ 35°F
Wind 16 to 26 mph
Wed
May 20
Partly Sunny
67 °F
/ 41°F
Wind 8 to 17 mph

This Week in Lyman County

This Afternoon looks like the warmest upcoming period in Lyman County at 83 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 35 degrees F.

The strongest winds are forecast for Monday at about 23 to 29 mph NNW.

Precipitation is mentioned in 6 upcoming forecast periods.

Forecast Details

Last updated
May 14, 2026 7:24 PM CDT
Coverage
7 days
Time zone
America/Chicago
Forecast office
ABR
Radar station
KABR

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

Open NOAA source

Extended Forecast

Tonight
May 14
46°F
Mostly Clear
5 to 16 mph W

Mostly clear. Low around 46, with temperatures rising to around 50 overnight. West wind 5 to 16 mph, with gusts as high as 25 mph.

Friday
May 15
82°F
Sunny
7 to 15 mph WNW

Sunny, with a high near 82. West northwest wind 7 to 15 mph.

Friday Night
May 15
46°F
Partly Cloudy
7 to 12 mph N

Partly cloudy, with a low around 46. North wind 7 to 12 mph.

Saturday
May 16
82°F
Sunny
7 to 22 mph ENE

Sunny, with a high near 82. East northeast wind 7 to 22 mph.

Saturday Night
May 16
50°F
Showers And Thunderstorms
16 to 22 mph E

Showers and thunderstorms after 7pm. Mostly cloudy, with a low around 50. East wind 16 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday
May 17
75°F
Showers And Thunderstorms
12 to 18 mph SW

Showers and thunderstorms before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 75. Southwest wind 12 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.

Sunday Night
May 17
43°F
Showers And Thunderstorms Likely
20 to 25 mph NNW

Showers and thunderstorms likely. Mostly cloudy, with a low around 43. North northwest wind 20 to 25 mph. Chance of precipitation is 70%.

Monday
May 18
58°F
Rain Showers Likely
23 to 29 mph NNW

Rain showers likely. Mostly cloudy, with a high near 58. North northwest wind 23 to 29 mph, with gusts as high as 38 mph. Chance of precipitation is 70%.

Monday Night
May 18
37°F
Rain Showers Likely
24 to 29 mph NNW

Rain showers likely. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.

Tuesday
May 19
58°F
Chance Rain Showers
16 to 26 mph NW

A chance of rain showers before 1pm. Partly sunny, with a high near 58. Chance of precipitation is 40%.

Tuesday Night
May 19
35°F
Partly Cloudy
8 to 15 mph E

Partly cloudy, with a low around 35.

Wednesday
May 20
67°F
Partly Sunny
8 to 17 mph SSE

Partly sunny, with a high near 67.

Wednesday Night
May 20
41°F
Mostly Cloudy
13 to 17 mph E

Mostly cloudy, with a low around 41.

Detailed Forecast

Period Conditions Temp Wind
This Afternoon
May 14
Sunny
83°F
18 mph
WNW
Tonight
May 14
Mostly Clear
46°F
5 to 16 mph
W
Friday
May 15
Sunny
82°F
7 to 15 mph
WNW
Friday Night
May 15
Partly Cloudy
46°F
7 to 12 mph
N
Saturday
May 16
Sunny
82°F
7 to 22 mph
ENE
Saturday Night
May 16
Showers And Thunderstorms
50°F
16 to 22 mph
E
Sunday
May 17
Showers And Thunderstorms
75°F
12 to 18 mph
SW
Sunday Night
May 17
Showers And Thunderstorms Likely
43°F
20 to 25 mph
NNW
Monday
May 18
Rain Showers Likely
58°F
23 to 29 mph
NNW
Monday Night
May 18
Rain Showers Likely
37°F
24 to 29 mph
NNW
Tuesday
May 19
Chance Rain Showers
58°F
16 to 26 mph
NW
Tuesday Night
May 19
Partly Cloudy
35°F
8 to 15 mph
E
Wednesday
May 20
Partly Sunny
67°F
8 to 17 mph
SSE
Wednesday Night
May 20
Mostly Cloudy
41°F
13 to 17 mph
E

Nearby Forecasts

Explore weather pages for nearby cities and major places around Lyman County.

Nearby forecast pages are not available for this location yet.

Coverage

Tracked cities
0
Coverage
0%

Forecast coverage currently spans 0 of 0 mapped cities in Lyman County.

Lower brule reservation2 sd
Lower brule reservation2 sd 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.