10-day forecast for Heppner, SD: 39° to 75°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Thursday, October 22
73° · 0.4 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1964° / 39°0
Morning41°feels 37°
Afternoon62°feels 60°
Evening50°feels 47°
Overnight44°feels 40°
64 °
Heppner, Monday, 19 October
Clear. High 64°, low 39°.
Pressure30.18 inHg
Wind6.5 mph E
Humidity50%
Visibility6.2 mi
Dew point37°
Tue, 2071° / 45°0
Morning46°feels 46°
Afternoon70°feels 68°
Evening57°feels 55°
Overnight46°feels 46°
71 °
Heppner, Tuesday, 20 October
Clear. High 71°, low 45°.
Pressure30.00 inHg
Wind5.3 mph SW
Humidity47%
Visibility6.2 mi
Dew point43°
Wed, 2167° / 47°0
Morning49°feels 49°
Afternoon66°feels 65°
Evening56°feels 55°
Overnight47°feels 47°
67 °
Heppner, Wednesday, 21 October
Clear. High 67°, low 47°.
Pressure30.15 inHg
Wind7.2 mph E
Humidity49%
Visibility6.2 mi
Dew point45°
Thu, 2275° / 50°0
Morning55°feels 54°
Afternoon69°feels 68°
Evening66°feels 65°
Overnight51°feels 50°
75 °
Heppner, Thursday, 22 October
Mostly clear. High 75°, low 50°.
Pressure29.97 inHg
Wind11.2 mph SE
Humidity54%
Visibility—
Dew point50°
Fri, 2373° / 55°0.4
Morning60°feels 59°
Afternoon69°feels 67°
Evening62°feels 61°
Overnight58°feels 56°
73 °
Heppner, Friday, 23 October
Rain. High 73°, low 55°.
Pressure29.62 inHg
Wind12.5 mph NE
Humidity54%
Visibility—
Dew point50°
Sat, 2453° / 44°0.02
Morning46°feels 37°
Afternoon49°feels 43°
Evening47°feels 43°
Overnight44°feels 40°
53 °
Heppner, Saturday, 24 October
Light rain. High 53°, low 44°.
Pressure30.42 inHg
Wind22 mph NW
Humidity44%
Visibility—
Dew point28°
Sun, 2563° / 39°0
Morning44°feels 40°
Afternoon55°feels 52°
Evening55°feels 52°
Overnight50°feels 47°
63 °
Heppner, Sunday, 25 October
Clear. High 63°, low 39°.
Pressure30.27 inHg
Wind7.6 mph SW
Humidity39%
Visibility—
Dew point28°
Mon, 2664° / 48°0
Morning52°feels 49°
Afternoon61°feels 58°
Evening55°feels 52°
Overnight50°feels 48°
64 °
Heppner, Monday, 26 October
Clear. High 64°, low 48°.
Pressure30.00 inHg
Wind8.7 mph E
Humidity26%
Visibility—
Dew point25°
Tue, 2771° / 43°0
Morning49°feels 46°
Afternoon64°feels 61°
Evening61°feels 58°
Overnight51°feels 48°
71 °
Heppner, Tuesday, 27 October
Clear. High 71°, low 43°.
Pressure29.83 inHg
Wind13.7 mph SW
Humidity30%
Visibility—
Dew point29°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Heppner, SD around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.