Dewey County, OK Weather Forecast
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Chance Showers And Thunderstorms
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A chance of showers and thunderstorms after 1pm. Some of the storms could be severe. Partly sunny, with a high near 88. South southwest wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
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
- Apr 17 to Apr 23, 2026
- Latest sync
- Apr 17, 2026 2:55 PM CDT
- Forecast office
- OUN
- Source
- NOAA / NWS
Daily Outlook
This Week in Dewey County
This Afternoon looks like the warmest upcoming period in Dewey County at 88 degrees F.
Saturday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Tonight at about 21 to 31 mph NNE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 17, 2026 2:55 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 sourceExtended Forecast
A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms between 10pm and 1am. Some of the storms could be severe. Partly cloudy. Low around 40, with temperatures rising to around 44 overnight. North northeast wind 21 to 31 mph, with gusts as high as 47 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunny, with a high near 66. North wind 13 to 25 mph, with gusts as high as 38 mph.
Clear, with a low around 36. South wind 5 to 12 mph.
Sunny, with a high near 75. Southwest wind 6 to 15 mph, with gusts as high as 23 mph.
Mostly clear, with a low around 46.
Mostly sunny, with a high near 76.
Mostly cloudy, with a low around 48.
Mostly sunny, with a high near 82.
Mostly clear, with a low around 56.
Mostly sunny, with a high near 87.
A slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 61. Chance of precipitation is 20%.
Mostly sunny, with a high near 88.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Apr 17
|
Chance Showers And Thunderstorms
|
88°F |
22 mph
SSW
|
|
Tonight
Apr 17
|
Chance Showers And Thunderstorms
|
40°F |
21 to 31 mph
NNE
|
|
Saturday
Apr 18
|
Sunny
|
66°F |
13 to 25 mph
N
|
|
Saturday Night
Apr 18
|
Clear
|
36°F |
5 to 12 mph
S
|
|
Sunday
Apr 19
|
Sunny
|
75°F |
6 to 15 mph
SW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
46°F |
10 to 14 mph
S
|
|
Monday
Apr 20
|
Mostly Sunny
|
76°F |
10 to 22 mph
SSW
|
|
Monday Night
Apr 20
|
Mostly Cloudy
|
48°F |
14 to 21 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
82°F |
13 to 21 mph
SSW
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
56°F |
15 to 21 mph
S
|
|
Wednesday
Apr 22
|
Mostly Sunny
|
87°F |
14 to 22 mph
S
|
|
Wednesday Night
Apr 22
|
Slight Chance Showers And Thunderstorms
|
61°F |
17 to 22 mph
S
|
|
Thursday
Apr 23
|
Mostly Sunny
|
88°F |
16 to 22 mph
SSW
|
|
Thursday Night
Apr 23
|
Slight Chance Showers And Thunderstorms
|
56°F |
15 to 21 mph
SSW
|
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
Forecast coverage currently spans 0 of 0 mapped cities in Dewey County.
