Mountainburg, AR Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Mountainburg, AR in one place.
Mostly sunny, with a high near 90. South wind around 10 mph, with gusts as high as 20 mph. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Mountainburg, AR 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: Oct 13, 2026 4:59 PM CDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Mountainburg, AR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 4:59 PM CDT
- Forecast office
- TSA
- Source
- NOAA / NWS
Daily Outlook
This Week in Mountainburg
This Afternoon looks like the warmest upcoming period in Mountainburg at 90 degrees F.
Friday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Thursday Night at about 5 to 20 mph NW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 4:59 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- TSA
- Radar station
- KSRX
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 after 7pm. Partly cloudy, with a low around 72. Southeast wind 0 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms. Partly sunny. High near 87, with temperatures falling to around 83 in the afternoon. Southeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of showers and thunderstorms. Mostly clear, with a low around 70. Southeast wind 0 to 5 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Sunny, with a high near 87. South wind 0 to 10 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 59. Northwest wind 5 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 65. North wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 44. North wind 5 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 67. East wind 0 to 5 mph.
Mostly clear, with a low around 45. East wind 0 to 5 mph.
Sunny, with a high near 72. Southeast wind around 5 mph.
Partly cloudy, with a low around 52. East wind 0 to 5 mph.
Mostly sunny, with a high near 76. Southeast wind 0 to 5 mph.
Partly cloudy, with a low around 58. East wind around 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 13
|
Mostly Sunny
|
90°F |
10 mph
S
|
|
Tonight
Oct 13
|
Slight Chance Showers And Thunderstorms
|
72°F |
0 to 10 mph
SE
|
|
Wednesday
Oct 14
|
Chance Showers And Thunderstorms
|
87°F |
0 to 5 mph
SE
|
|
Wednesday Night
Oct 14
|
Chance Showers And Thunderstorms
|
70°F |
0 to 5 mph
SE
|
|
Thursday
Oct 15
|
Chance Showers And Thunderstorms
|
87°F |
0 to 10 mph
S
|
|
Thursday Night
Oct 15
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
59°F |
5 to 20 mph
NW
|
|
Friday
Oct 16
|
Slight Chance Rain Showers then Mostly Sunny
|
65°F |
15 to 20 mph
N
|
|
Friday Night
Oct 16
|
Mostly Clear
|
44°F |
5 to 15 mph
N
|
|
Saturday
Oct 17
|
Sunny
|
67°F |
0 to 5 mph
E
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
45°F |
0 to 5 mph
E
|
|
Sunday
Oct 18
|
Sunny
|
72°F |
5 mph
SE
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
52°F |
0 to 5 mph
E
|
|
Monday
Oct 19
|
Mostly Sunny
|
76°F |
0 to 5 mph
SE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
58°F |
5 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mountainburg.