Simpson County, MS Weather Forecast
County weather hub
Showers And Thunderstorms Likely
Compare major city weather across Simpson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Showers and thunderstorms likely. Partly sunny, with a high near 87. West wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Simpson County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Simpson County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 14 to Jul 19, 2026
- Latest sync
- Jul 13, 2026 5:12 PM CDT
- Forecast office
- JAN
- Source
- NOAA / NWS
Daily Outlook
This Week in Simpson County
Sunday looks like the warmest upcoming period in Simpson County at 96 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 71 degrees F.
The strongest winds are forecast for Tuesday at about 0 to 5 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 13, 2026 5:12 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- JAN
- Radar station
- KDGX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 11pm. Mostly cloudy, with a low around 71. West southwest wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. West southwest wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. West southwest wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 93. West wind 0 to 5 mph.
Mostly clear, with a low around 73. Northwest wind around 0 mph.
Sunny, with a high near 94. West northwest wind 0 to 5 mph.
Mostly clear, with a low around 74.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 75. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Showers And Thunderstorms Likely
|
87°F |
0 to 5 mph
W
|
|
Tuesday Night
Jul 14
|
Showers And Thunderstorms Likely then Mostly Cloudy
|
71°F |
0 to 5 mph
WSW
|
|
Wednesday
Jul 15
|
Mostly Sunny then Chance Showers And Thunderstorms
|
90°F |
0 to 5 mph
WSW
|
|
Wednesday Night
Jul 15
|
Chance Showers And Thunderstorms then Mostly Clear
|
71°F |
0 to 5 mph
WSW
|
|
Thursday
Jul 16
|
Sunny
|
93°F |
0 to 5 mph
W
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
73°F |
0 mph
|
|
Friday
Jul 17
|
Sunny
|
94°F |
0 to 5 mph
WNW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
74°F |
0 mph
|
|
Saturday
Jul 18
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
95°F |
5 mph
WNW
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
75°F |
0 mph
|
|
Sunday
Jul 19
|
Sunny then Slight Chance Showers And Thunderstorms
|
96°F |
5 mph
WNW
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
75°F |
0 to 5 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Simpson County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Simpson County.
Largest mapped city population in this region: 4,094.
