Lemmon, SD Weather Forecast

Local 7-day forecast

40°
F

Chance Snow Showers

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

Friday, April 17, 2026
Wind: 18 to 25 mph NW
Friday

A chance of snow showers. Mostly cloudy. High near 40, with temperatures falling to around 38 in the afternoon. Northwest wind 18 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Lemmon, 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: Apr 15, 2026 7:33 AM MDT.

The active forecast window currently covers Apr 17 to Apr 21, 2026 for Lemmon, SD.

Page Snapshot

Page focus
city weather
Forecast window
Apr 17 to Apr 21, 2026
Latest sync
Apr 15, 2026 7:33 AM MDT
Forecast office
UNR
Source
NOAA / NWS
Next High
40°F
Friday
Next Low
20°F
Friday Night
Rain Outlook
1
Periods mentioning precipitation
Windiest
18 to 25 mph
Friday

Daily Outlook

Today
Apr 17
Chance Snow Showers
40 °F
/ 20°F
Wind 18 to 25 mph
Sat
Apr 18
Sunny
45 °F
/ 23°F
Wind 10 to 20 mph
Sun
Apr 19
Sunny
59 °F
/ 34°F
Wind 5 to 12 mph
Mon
Apr 20
Sunny
72 °F
/ 40°F
Wind 9 to 15 mph
Tue
Apr 21
Sunny
71 °F
Wind 8 to 16 mph

This Week in Lemmon

Monday looks like the warmest upcoming period in Lemmon at 72 degrees F.

Friday Night is the coolest period ahead with temperatures near 20 degrees F.

The strongest winds are forecast for Friday at about 18 to 25 mph NW.

Precipitation is mentioned in 1 upcoming forecast period.

Forecast Details

Last updated
Apr 15, 2026 7:33 AM MDT
Coverage
5 days
Time zone
America/Denver
Forecast office
UNR
Radar station
KBIS

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

Open NOAA source

Extended Forecast

Friday Night
Apr 17
20°F
Partly Cloudy
10 to 22 mph NW

Partly cloudy, with a low around 20. Northwest wind 10 to 22 mph, with gusts as high as 33 mph.

Saturday
Apr 18
45°F
Sunny
10 to 20 mph NW

Sunny, with a high near 45. Northwest wind 10 to 20 mph, with gusts as high as 29 mph.

Saturday Night
Apr 18
23°F
Mostly Clear
5 to 20 mph W

Mostly clear, with a low around 23.

Sunday
Apr 19
59°F
Sunny
5 to 12 mph S

Sunny, with a high near 59.

Sunday Night
Apr 19
34°F
Mostly Clear
12 mph S

Mostly clear, with a low around 34.

Monday
Apr 20
72°F
Sunny
9 to 15 mph SW

Sunny, with a high near 72.

Monday Night
Apr 20
40°F
Partly Cloudy
8 to 13 mph NW

Partly cloudy, with a low around 40.

Tuesday
Apr 21
71°F
Sunny
8 to 16 mph N

Sunny, with a high near 71.

Detailed Forecast

Period Conditions Temp Wind
Friday
Apr 17
Chance Snow Showers
40°F
18 to 25 mph
NW
Friday Night
Apr 17
Partly Cloudy
20°F
10 to 22 mph
NW
Saturday
Apr 18
Sunny
45°F
10 to 20 mph
NW
Saturday Night
Apr 18
Mostly Clear
23°F
5 to 20 mph
W
Sunday
Apr 19
Sunny
59°F
5 to 12 mph
S
Sunday Night
Apr 19
Mostly Clear
34°F
12 mph
S
Monday
Apr 20
Sunny
72°F
9 to 15 mph
SW
Monday Night
Apr 20
Partly Cloudy
40°F
8 to 13 mph
NW
Tuesday
Apr 21
Sunny
71°F
8 to 16 mph
N

Nearby Forecasts

Explore weather pages for nearby cities and major places around Lemmon.

Nearby forecast pages are not available for this location yet.

Lemmon  SD as seen from North Lemmon  ND
Lemmon SD as seen from North Lemmon ND 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.