Polk County, TN Weather Forecast

County weather hub

66°
F

Partly Cloudy

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

Tuesday, July 14, 2026
Wind: 0 mph
Tonight

Partly cloudy, with a low around 66. Southeast wind around 0 mph.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Polk County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 1 of 1 mapped cities in Polk County.

Page Snapshot

Page focus
county weather
Forecast window
Jul 14 to Jul 21, 2026
Latest sync
Jul 15, 2026 12:17 AM EDT
Forecast office
MRX
Source
NOAA / NWS
Next High
86°F
Wednesday
Next Low
66°F
Tonight
Rain Outlook
13
Periods mentioning precipitation
Windiest
0 to 5 mph
Thursday

Daily Outlook

Today
Jul 14
Partly Cloudy
66 °F
/ 66°F
Wind 0 mph
Wed
Jul 15
Mostly Sunny then Chance Showers And Thunderstorms
86 °F
/ 68°F
Wind 0 mph
Thu
Jul 16
Mostly Sunny then Chance Showers And Thunderstorms
88 °F
/ 69°F
Wind 0 to 5 mph
Fri
Jul 17
Showers And Thunderstorms
87 °F
/ 69°F
Wind 0 to 5 mph
Sat
Jul 18
Showers And Thunderstorms
86 °F
/ 69°F
Wind 0 to 5 mph
Sun
Jul 19
Chance Showers And Thunderstorms
87 °F
/ 69°F
Wind 0 to 5 mph
Mon
Jul 20
Mostly Sunny then Slight Chance Showers And Thunderstorms
88 °F
/ 69°F
Wind 0 to 5 mph

This Week in Polk County

Thursday looks like the warmest upcoming period in Polk County at 88 degrees F.

Tonight is the coolest period ahead with temperatures near 66 degrees F.

The strongest winds are forecast for Thursday at about 0 to 5 mph NW.

Precipitation is mentioned in 13 upcoming forecast periods.

Forecast Details

Last updated
Jul 15, 2026 12:17 AM EDT
Coverage
7 days
Time zone
America/New_York
Forecast office
MRX
Radar station
KHTX

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

Open NOAA source

Extended Forecast

Wednesday
Jul 15
86°F
Mostly Sunny then Chance Showers And Thunderstorms
0 mph

A chance of showers and thunderstorms after noon. Mostly sunny. High near 86, with temperatures falling to around 82 in the afternoon. Northeast wind around 0 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Wednesday Night
Jul 15
68°F
Chance Showers And Thunderstorms then Partly Cloudy
0 mph

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Northwest wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Thursday
Jul 16
88°F
Mostly Sunny then Chance Showers And Thunderstorms
0 to 5 mph NW

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Northwest wind 0 to 5 mph. Chance of precipitation is 40%.

Thursday Night
Jul 16
69°F
Chance Showers And Thunderstorms then Partly Cloudy
0 mph

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Northwest wind around 0 mph. Chance of precipitation is 40%.

Friday
Jul 17
87°F
Showers And Thunderstorms
0 to 5 mph NW

A slight chance of rain showers between 8am and 11am, then showers and thunderstorms. Mostly sunny, with a high near 87. Northwest wind 0 to 5 mph. Chance of precipitation is 80%.

Friday Night
Jul 17
69°F
Showers And Thunderstorms
0 mph

Showers and thunderstorms before 2am. Partly cloudy, with a low around 69. Northwest wind around 0 mph. Chance of precipitation is 80%.

Saturday
Jul 18
86°F
Showers And Thunderstorms
0 to 5 mph NW

Showers and thunderstorms after 8am. Mostly sunny, with a high near 86. Chance of precipitation is 80%.

Saturday Night
Jul 18
69°F
Showers And Thunderstorms then Chance Showers And Thunderstorms
0 mph

Showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 80%.

Sunday
Jul 19
87°F
Chance Showers And Thunderstorms
0 to 5 mph NW

A slight chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms likely. Mostly sunny, with a high near 87. Chance of precipitation is 60%.

Sunday Night
Jul 19
69°F
Showers And Thunderstorms Likely
0 to 5 mph NW

Showers and thunderstorms likely before 2am. Partly cloudy, with a low around 69. Chance of precipitation is 60%.

Monday
Jul 20
88°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
0 to 5 mph NW

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

Monday Night
Jul 20
69°F
Slight Chance Showers And Thunderstorms
0 mph

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 20%.

Tuesday
Jul 21
88°F
Chance Showers And Thunderstorms
0 to 5 mph SW

A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88.

Detailed Forecast

Period Conditions Temp Wind
Tonight
Jul 14
Partly Cloudy
66°F
0 mph
Wednesday
Jul 15
Mostly Sunny then Chance Showers And Thunderstorms
86°F
0 mph
Wednesday Night
Jul 15
Chance Showers And Thunderstorms then Partly Cloudy
68°F
0 mph
Thursday
Jul 16
Mostly Sunny then Chance Showers And Thunderstorms
88°F
0 to 5 mph
NW
Thursday Night
Jul 16
Chance Showers And Thunderstorms then Partly Cloudy
69°F
0 mph
Friday
Jul 17
Showers And Thunderstorms
87°F
0 to 5 mph
NW
Friday Night
Jul 17
Showers And Thunderstorms
69°F
0 mph
Saturday
Jul 18
Showers And Thunderstorms
86°F
0 to 5 mph
NW
Saturday Night
Jul 18
Showers And Thunderstorms then Chance Showers And Thunderstorms
69°F
0 mph
Sunday
Jul 19
Chance Showers And Thunderstorms
87°F
0 to 5 mph
NW
Sunday Night
Jul 19
Showers And Thunderstorms Likely
69°F
0 to 5 mph
NW
Monday
Jul 20
Mostly Sunny then Slight Chance Showers And Thunderstorms
88°F
0 to 5 mph
NW
Monday Night
Jul 20
Slight Chance Showers And Thunderstorms
69°F
0 mph
Tuesday
Jul 21
Chance Showers And Thunderstorms
88°F
0 to 5 mph
SW

Major City Forecasts

Live forecast snapshots for major cities across Polk County.

Coverage

Tracked cities
1
Coverage
100%

Forecast coverage currently spans 1 of 1 mapped cities in Polk County.

Largest mapped city population in this region: 1,247.

Polk-county-courthouse-tn1
Polk-county-courthouse-tn1 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.