Sumner, MS Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Sumner, MS in one place.
Mostly cloudy, with a low around 75. East southeast wind around 0 mph. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Sumner, MS 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: Jul 24, 2026 4:36 AM CDT.
The active forecast window currently covers Jul 24 to Jul 30, 2026 for Sumner, MS.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 30, 2026
- Latest sync
- Jul 24, 2026 4:36 AM CDT
- Forecast office
- MEG
- Source
- NOAA / NWS
Daily Outlook
This Week in Sumner
Tuesday looks like the warmest upcoming period in Sumner at 100 degrees F.
Overnight is the coolest period ahead with temperatures near 75 degrees F.
The strongest winds are forecast for Friday at about 0 to 5 mph WSW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 24, 2026 4:36 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- MEG
- Radar station
- KNQA
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 between 7am and 3pm. Partly sunny, with a high near 91. Heat index values as high as 106. West southwest wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly cloudy, with a low around 76. Heat index values as high as 106. Southeast wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms between 9am and 4pm. Partly sunny, with a high near 92. Heat index values as high as 108. Southwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Mostly cloudy, with a low around 76. South southwest wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 95. West wind around 5 mph.
Mostly clear, with a low around 76. South southwest wind around 0 mph.
Sunny, with a high near 99. West southwest wind 0 to 5 mph.
Mostly clear, with a low around 78.
Sunny, with a high near 100.
Mostly clear, with a low around 79.
A slight chance of showers and thunderstorms after 7am. Sunny, with a high near 98. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. Chance of precipitation is 20%.
Sunny, with a high near 97.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 24
|
Mostly Cloudy
|
75°F |
0 mph
|
|
Friday
Jul 24
|
Slight Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
WSW
|
|
Friday Night
Jul 24
|
Mostly Cloudy
|
76°F |
0 to 5 mph
SE
|
|
Saturday
Jul 25
|
Chance Showers And Thunderstorms
|
92°F |
5 mph
SW
|
|
Saturday Night
Jul 25
|
Mostly Cloudy
|
76°F |
5 mph
SSW
|
|
Sunday
Jul 26
|
Mostly Sunny
|
95°F |
5 mph
W
|
|
Sunday Night
Jul 26
|
Mostly Clear
|
76°F |
0 mph
|
|
Monday
Jul 27
|
Sunny
|
99°F |
0 to 5 mph
WSW
|
|
Monday Night
Jul 27
|
Mostly Clear
|
78°F |
0 to 5 mph
SSW
|
|
Tuesday
Jul 28
|
Sunny
|
100°F |
5 mph
WSW
|
|
Tuesday Night
Jul 28
|
Mostly Clear
|
79°F |
0 to 5 mph
SW
|
|
Wednesday
Jul 29
|
Slight Chance Showers And Thunderstorms
|
98°F |
5 mph
WNW
|
|
Wednesday Night
Jul 29
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
77°F |
0 to 5 mph
NNE
|
|
Thursday
Jul 30
|
Sunny
|
97°F |
0 to 5 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sumner.