Gretna, KS Weather Forecast

Local 7-day forecast

78°
F

Chance Showers And Thunderstorms then Mostly Cloudy

Track current conditions, temperature changes, wind, and the full daily outlook for Gretna, KS in one place.

Wednesday, September 16, 2026
Wind: 5 mph ESE
Wednesday

A chance of showers and thunderstorms before 8am. Mostly cloudy, with a high near 78. East southeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Gretna, KS 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: Sep 15, 2026 6:06 PM CDT.

The active forecast window currently covers Sep 16 to Sep 21, 2026 for Gretna, KS.

Page Snapshot

Page focus
city weather
Forecast window
Sep 16 to Sep 21, 2026
Latest sync
Sep 15, 2026 6:06 PM CDT
Forecast office
GID
Source
NOAA / NWS
Next High
78°F
Wednesday
Next Low
66°F
Wednesday Night
Rain Outlook
7
Periods mentioning precipitation
Windiest
5 to 15 mph
Thursday

Daily Outlook

Today
Sep 16
Chance Showers And Thunderstorms then Mostly Cloudy
78 °F
/ 66°F
Wind 5 mph
Thu
Sep 17
Mostly Sunny
89 °F
/ 70°F
Wind 5 to 15 mph
Fri
Sep 18
Mostly Sunny
91 °F
/ 67°F
Wind 15 mph
Sat
Sep 19
Chance Showers And Thunderstorms
83 °F
/ 62°F
Wind 5 to 10 mph
Sun
Sep 20
Rain Showers Likely
74 °F
/ 57°F
Wind 5 to 10 mph
Mon
Sep 21
Mostly Sunny
74 °F
/ 57°F
Wind 5 mph

This Week in Gretna

Friday looks like the warmest upcoming period in Gretna at 91 degrees F.

Sunday Night is the coolest period ahead with temperatures near 57 degrees F.

The strongest winds are forecast for Thursday at about 5 to 15 mph SE.

Precipitation is mentioned in 7 upcoming forecast periods.

Forecast Details

Last updated
Sep 15, 2026 6:06 PM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
GID
Radar station
KUEX

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

Open NOAA source

Extended Forecast

Wednesday Night
Sep 16
66°F
Partly Cloudy then Chance Rain Showers
5 mph E

A chance of rain showers after 3am. Partly cloudy, with a low around 66. East wind around 5 mph. Chance of precipitation is 30%.

Thursday
Sep 17
89°F
Mostly Sunny
5 to 15 mph SE

Mostly sunny, with a high near 89. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

Thursday Night
Sep 17
70°F
Mostly Clear
10 mph S

Mostly clear, with a low around 70.

Friday
Sep 18
91°F
Mostly Sunny
15 mph SSW

Mostly sunny, with a high near 91.

Friday Night
Sep 18
67°F
Chance Showers And Thunderstorms
5 to 10 mph E

A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 67. Chance of precipitation is 40%.

Saturday
Sep 19
83°F
Chance Showers And Thunderstorms
5 to 10 mph NNE

A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.

Saturday Night
Sep 19
62°F
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
5 to 10 mph NNE

A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

Sunday
Sep 20
74°F
Rain Showers Likely
5 to 10 mph N

Rain showers likely before 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.

Sunday Night
Sep 20
57°F
Partly Cloudy
5 mph NNE

Partly cloudy, with a low around 57.

Monday
Sep 21
74°F
Mostly Sunny
5 mph N

Mostly sunny, with a high near 74.

Monday Night
Sep 21
57°F
Partly Cloudy then Slight Chance Rain Showers
5 mph ENE

A slight chance of rain showers after 1am. Partly cloudy, with a low around 57. Chance of precipitation is 20%.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Sep 16
Chance Showers And Thunderstorms then Mostly Cloudy
78°F
5 mph
ESE
Wednesday Night
Sep 16
Partly Cloudy then Chance Rain Showers
66°F
5 mph
E
Thursday
Sep 17
Mostly Sunny
89°F
5 to 15 mph
SE
Thursday Night
Sep 17
Mostly Clear
70°F
10 mph
S
Friday
Sep 18
Mostly Sunny
91°F
15 mph
SSW
Friday Night
Sep 18
Chance Showers And Thunderstorms
67°F
5 to 10 mph
E
Saturday
Sep 19
Chance Showers And Thunderstorms
83°F
5 to 10 mph
NNE
Saturday Night
Sep 19
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
62°F
5 to 10 mph
NNE
Sunday
Sep 20
Rain Showers Likely
74°F
5 to 10 mph
N
Sunday Night
Sep 20
Partly Cloudy
57°F
5 mph
NNE
Monday
Sep 21
Mostly Sunny
74°F
5 mph
N
Monday Night
Sep 21
Partly Cloudy then Slight Chance Rain Showers
57°F
5 mph
ENE

Nearby Forecasts

Explore weather pages for nearby cities and major places around Gretna.

Nearby forecast pages are not available for this location yet.

Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.