Lyman County, SD Weather Forecast
County weather hub
Partly Cloudy
Compare major city weather across Lyman County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Partly cloudy, with a low around 69. South wind around 7 mph.
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
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 7:05 AM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Lyman County
Sunday looks like the warmest upcoming period in Lyman County at 104 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Monday at about 9 to 20 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 7:05 AM 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 sourceExtended Forecast
Sunny, with a high near 102. Heat index values as high as 102. West wind 6 to 10 mph.
Mostly clear, with a low around 71. Heat index values as high as 101. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 97. East wind around 15 mph, with gusts as high as 23 mph.
Partly cloudy, with a low around 71. East southeast wind around 16 mph, with gusts as high as 25 mph.
Mostly sunny, with a high near 104. South southeast wind 13 to 16 mph, with gusts as high as 25 mph.
A chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms between 10pm and 1am. Partly cloudy, with a low around 73. South southwest wind 10 to 15 mph. Chance of precipitation is 30%.
Sunny, with a high near 100. Northwest wind 9 to 20 mph, with gusts as high as 29 mph.
Partly cloudy, with a low around 68. North wind 10 to 20 mph, with gusts as high as 29 mph.
Mostly sunny, with a high near 87.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 17
|
Partly Cloudy
|
69°F |
7 mph
S
|
|
Friday
Jul 17
|
Sunny
|
102°F |
6 to 10 mph
W
|
|
Friday Night
Jul 17
|
Mostly Clear
|
71°F |
10 to 15 mph
NE
|
|
Saturday
Jul 18
|
Sunny
|
97°F |
15 mph
E
|
|
Saturday Night
Jul 18
|
Partly Cloudy
|
71°F |
16 mph
ESE
|
|
Sunday
Jul 19
|
Mostly Sunny
|
104°F |
13 to 16 mph
SSE
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
73°F |
10 to 15 mph
SSW
|
|
Monday
Jul 20
|
Sunny
|
100°F |
9 to 20 mph
NW
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
68°F |
10 to 20 mph
N
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
87°F |
10 to 15 mph
N
|
|
Tuesday Night
Jul 21
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
62°F |
9 to 14 mph
ENE
|
|
Wednesday
Jul 22
|
Chance Showers And Thunderstorms
|
84°F |
10 to 15 mph
SE
|
|
Wednesday Night
Jul 22
|
Chance Showers And Thunderstorms
|
62°F |
12 to 15 mph
SE
|
|
Thursday
Jul 23
|
Chance Showers And Thunderstorms
|
86°F |
13 mph
SE
|
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
Forecast coverage currently spans 0 of 0 mapped cities in Lyman County.
