Gregg, MO Weather Forecast

Local 7-day forecast

99°
F

Sunny

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

Wednesday, September 16, 2026
Wind: 6 to 9 mph S
Wednesday

Sunny. High near 99, with temperatures falling to around 97 in the afternoon. Heat index values as high as 105. South wind 6 to 9 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Gregg, MO 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 10:50 PM CDT.

The active forecast window currently covers Sep 16 to Sep 22, 2026 for Gregg, MO.

Page Snapshot

Page focus
city weather
Forecast window
Sep 16 to Sep 22, 2026
Latest sync
Sep 15, 2026 10:50 PM CDT
Forecast office
SGF
Source
NOAA / NWS
Next High
99°F
Wednesday
Next Low
77°F
Wednesday Night
Rain Outlook
6
Periods mentioning precipitation
Windiest
9 to 15 mph
Saturday

Daily Outlook

Today
Sep 16
Sunny
99 °F
/ 77°F
Wind 6 to 9 mph
Thu
Sep 17
Sunny
97 °F
/ 75°F
Wind 2 to 6 mph
Fri
Sep 18
Sunny
96 °F
/ 75°F
Wind 5 to 9 mph
Sat
Sep 19
Sunny
96 °F
/ 72°F
Wind 9 to 15 mph
Sun
Sep 20
Slight Chance Rain Showers then Chance Showers And Thunderstorms
90 °F
/ 66°F
Wind 7 to 10 mph
Mon
Sep 21
Chance Rain Showers
81 °F
/ 62°F
Wind 6 to 9 mph
Tue
Sep 22
Chance Rain Showers
81 °F
Wind 7 mph

This Week in Gregg

Wednesday looks like the warmest upcoming period in Gregg at 99 degrees F.

Monday Night is the coolest period ahead with temperatures near 62 degrees F.

The strongest winds are forecast for Saturday at about 9 to 15 mph SW.

Precipitation is mentioned in 6 upcoming forecast periods.

Forecast Details

Last updated
Sep 15, 2026 10:50 PM CDT
Coverage
7 days
Time zone
America/Chicago
Forecast office
SGF
Radar station
KSGF

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
77°F
Mostly Clear
7 mph S

Mostly clear, with a low around 77. Heat index values as high as 101. South wind around 7 mph.

Thursday
Sep 17
97°F
Sunny
2 to 6 mph SW

Sunny, with a high near 97. Heat index values as high as 102. Southwest wind 2 to 6 mph.

Thursday Night
Sep 17
75°F
Mostly Clear
1 to 5 mph S

Mostly clear, with a low around 75. South wind 1 to 5 mph.

Friday
Sep 18
96°F
Sunny
5 to 9 mph S

Sunny, with a high near 96.

Friday Night
Sep 18
75°F
Mostly Clear
8 mph S

Mostly clear, with a low around 75.

Saturday
Sep 19
96°F
Sunny
9 to 15 mph SW

Sunny, with a high near 96.

Saturday Night
Sep 19
72°F
Mostly Clear then Slight Chance Rain Showers
9 mph S

A slight chance of rain showers after 1am. Mostly clear, with a low around 72.

Sunday
Sep 20
90°F
Slight Chance Rain Showers then Chance Showers And Thunderstorms
7 to 10 mph SW

A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90.

Sunday Night
Sep 20
66°F
Chance Showers And Thunderstorms
5 to 8 mph N

A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

Monday
Sep 21
81°F
Chance Rain Showers
6 to 9 mph N

A chance of rain showers. Partly sunny, with a high near 81.

Monday Night
Sep 21
62°F
Chance Rain Showers
5 to 9 mph NE

A chance of rain showers. Partly cloudy, with a low around 62.

Tuesday
Sep 22
81°F
Chance Rain Showers
7 mph E

A chance of rain showers. Mostly sunny, with a high near 81.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Sep 16
Sunny
99°F
6 to 9 mph
S
Wednesday Night
Sep 16
Mostly Clear
77°F
7 mph
S
Thursday
Sep 17
Sunny
97°F
2 to 6 mph
SW
Thursday Night
Sep 17
Mostly Clear
75°F
1 to 5 mph
S
Friday
Sep 18
Sunny
96°F
5 to 9 mph
S
Friday Night
Sep 18
Mostly Clear
75°F
8 mph
S
Saturday
Sep 19
Sunny
96°F
9 to 15 mph
SW
Saturday Night
Sep 19
Mostly Clear then Slight Chance Rain Showers
72°F
9 mph
S
Sunday
Sep 20
Slight Chance Rain Showers then Chance Showers And Thunderstorms
90°F
7 to 10 mph
SW
Sunday Night
Sep 20
Chance Showers And Thunderstorms
66°F
5 to 8 mph
N
Monday
Sep 21
Chance Rain Showers
81°F
6 to 9 mph
N
Monday Night
Sep 21
Chance Rain Showers
62°F
5 to 9 mph
NE
Tuesday
Sep 22
Chance Rain Showers
81°F
7 mph
E
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.