Heppner, SD Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Heppner, SD in one place.
Sunny. High near 78, with temperatures falling to around 75 in the afternoon. Southwest wind 8 to 18 mph, with gusts as high as 29 mph.
Local Weather Overview
This forecast page for Heppner, 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: Sep 14, 2026 10:09 PM MDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Heppner, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 14, 2026 10:09 PM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Heppner
Wednesday looks like the warmest upcoming period in Heppner at 89 degrees F.
Sunday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Wednesday Night at about 13 to 20 mph NE.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 10:09 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 sourceExtended Forecast
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Southeast wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunny. High near 89, with temperatures falling to around 87 in the afternoon. South wind 8 to 12 mph, with gusts as high as 21 mph.
Mostly cloudy, with a low around 56. Northeast wind 13 to 20 mph, with gusts as high as 30 mph.
A chance of rain showers before noon, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 79. East wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Partly sunny, with a high near 86.
A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
A chance of rain showers before noon, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.
A chance of showers and thunderstorms. Partly cloudy, with a low around 50.
A slight chance of rain showers before noon. Mostly sunny, with a high near 78.
A slight chance of rain showers before midnight. Partly cloudy, with a low around 49.
Sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Sunny
|
78°F |
8 to 18 mph
SW
|
|
Tuesday Night
Sep 15
|
Slight Chance Showers And Thunderstorms
|
55°F |
13 to 18 mph
SE
|
|
Wednesday
Sep 16
|
Sunny
|
89°F |
8 to 12 mph
S
|
|
Wednesday Night
Sep 16
|
Mostly Cloudy
|
56°F |
13 to 20 mph
NE
|
|
Thursday
Sep 17
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
79°F |
16 mph
E
|
|
Thursday Night
Sep 17
|
Chance Showers And Thunderstorms
|
58°F |
5 to 16 mph
E
|
|
Friday
Sep 18
|
Partly Sunny
|
86°F |
5 to 15 mph
NW
|
|
Friday Night
Sep 18
|
Chance Showers And Thunderstorms
|
55°F |
10 to 16 mph
NE
|
|
Saturday
Sep 19
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
79°F |
13 to 17 mph
N
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms
|
50°F |
8 to 16 mph
NE
|
|
Sunday
Sep 20
|
Slight Chance Rain Showers then Mostly Sunny
|
78°F |
9 to 17 mph
NW
|
|
Sunday Night
Sep 20
|
Slight Chance Rain Showers then Partly Cloudy
|
49°F |
7 to 17 mph
E
|
|
Monday
Sep 21
|
Sunny
|
79°F |
7 to 16 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Heppner.