Dewey County, OK Weather Forecast

County weather hub

89°
F

Sunny then Slight Chance Showers And Thunderstorms

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

Thursday, July 16, 2026
Wind: 8 to 14 mph S
Today

A slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 89. South wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Dewey 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 Dewey County.

Page Snapshot

Page focus
county weather
Forecast window
Jul 16 to Jul 22, 2026
Latest sync
Jul 16, 2026 12:53 PM CDT
Forecast office
OUN
Source
NOAA / NWS
Next High
89°F
Today
Next Low
69°F
Tonight
Rain Outlook
4
Periods mentioning precipitation
Windiest
8 to 17 mph
Friday

Daily Outlook

Today
Jul 16
Sunny then Slight Chance Showers And Thunderstorms
89 °F
/ 69°F
Wind 8 to 14 mph
Fri
Jul 17
Mostly Sunny then Slight Chance Showers And Thunderstorms
91 °F
/ 71°F
Wind 8 to 17 mph
Sat
Jul 18
Sunny
94 °F
/ 73°F
Wind 12 to 15 mph
Sun
Jul 19
Sunny
97 °F
/ 74°F
Wind 7 to 14 mph
Mon
Jul 20
Sunny
100 °F
/ 75°F
Wind 10 to 14 mph
Tue
Jul 21
Sunny
102 °F
/ 75°F
Wind 8 to 12 mph
Wed
Jul 22
Mostly Sunny
100 °F
/ 74°F
Wind 6 to 12 mph

This Week in Dewey County

Tuesday looks like the warmest upcoming period in Dewey County at 102 degrees F.

Tonight is the coolest period ahead with temperatures near 69 degrees F.

The strongest winds are forecast for Friday at about 8 to 17 mph SSW.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated
Jul 16, 2026 12:53 PM CDT
Coverage
7 days
Time zone
America/Chicago
Forecast office
OUN
Radar station
KVNX

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

Open NOAA source

Extended Forecast

Tonight
Jul 16
69°F
Slight Chance Showers And Thunderstorms then Mostly Clear
8 to 14 mph S

A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 69. South wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Friday
Jul 17
91°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
8 to 17 mph SSW

A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. South southwest wind 8 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

Friday Night
Jul 17
71°F
Slight Chance Showers And Thunderstorms then Mostly Clear
12 to 17 mph S

A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. South wind 12 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

Saturday
Jul 18
94°F
Sunny
12 to 15 mph SSW

Sunny, with a high near 94. South southwest wind 12 to 15 mph, with gusts as high as 23 mph.

Saturday Night
Jul 18
73°F
Mostly Clear
7 to 14 mph SSW

Mostly clear, with a low around 73.

Sunday
Jul 19
97°F
Sunny
7 to 14 mph SSW

Sunny, with a high near 97.

Sunday Night
Jul 19
74°F
Mostly Clear
9 to 14 mph SSW

Mostly clear, with a low around 74.

Monday
Jul 20
100°F
Sunny
10 to 14 mph SSW

Sunny, with a high near 100.

Monday Night
Jul 20
75°F
Mostly Clear
9 to 14 mph SSW

Mostly clear, with a low around 75.

Tuesday
Jul 21
102°F
Sunny
8 to 12 mph S

Sunny, with a high near 102.

Tuesday Night
Jul 21
75°F
Mostly Clear
7 to 12 mph S

Mostly clear, with a low around 75.

Wednesday
Jul 22
100°F
Mostly Sunny
6 to 12 mph S

Mostly sunny, with a high near 100.

Wednesday Night
Jul 22
74°F
Partly Cloudy
7 to 12 mph SSE

Partly cloudy, with a low around 74.

Detailed Forecast

Period Conditions Temp Wind
Today
Jul 16
Sunny then Slight Chance Showers And Thunderstorms
89°F
8 to 14 mph
S
Tonight
Jul 16
Slight Chance Showers And Thunderstorms then Mostly Clear
69°F
8 to 14 mph
S
Friday
Jul 17
Mostly Sunny then Slight Chance Showers And Thunderstorms
91°F
8 to 17 mph
SSW
Friday Night
Jul 17
Slight Chance Showers And Thunderstorms then Mostly Clear
71°F
12 to 17 mph
S
Saturday
Jul 18
Sunny
94°F
12 to 15 mph
SSW
Saturday Night
Jul 18
Mostly Clear
73°F
7 to 14 mph
SSW
Sunday
Jul 19
Sunny
97°F
7 to 14 mph
SSW
Sunday Night
Jul 19
Mostly Clear
74°F
9 to 14 mph
SSW
Monday
Jul 20
Sunny
100°F
10 to 14 mph
SSW
Monday Night
Jul 20
Mostly Clear
75°F
9 to 14 mph
SSW
Tuesday
Jul 21
Sunny
102°F
8 to 12 mph
S
Tuesday Night
Jul 21
Mostly Clear
75°F
7 to 12 mph
S
Wednesday
Jul 22
Mostly Sunny
100°F
6 to 12 mph
S
Wednesday Night
Jul 22
Partly Cloudy
74°F
7 to 12 mph
SSE

Nearby Forecasts

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

FOREST CITY BRIDGE  DEWEY COUNTY  SD
FOREST CITY BRIDGE DEWEY COUNTY 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.