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Fort Wayne, Indiana 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Fort Wayne IN
National Weather Service Forecast for: Fort Wayne IN
Issued by: National Weather Service Northern Indiana
Updated: 12:45 pm EDT Jul 27, 2025
 
This
Afternoon
This Afternoon: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 88. Heat index values as high as 98. West wind around 5 mph.
Chance
T-storms

Tonight

Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 72. Calm wind.
Slight Chance
T-storms then
Partly Cloudy
Monday

Monday: A 20 percent chance of showers and thunderstorms.  Mostly sunny and hot, with a high near 91. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the afternoon.
Slight Chance
T-storms

Monday
Night
Monday Night: Mostly clear, with a low around 74. Calm wind.
Mostly Clear

Tuesday

Tuesday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 92. Calm wind becoming west around 5 mph.
Mostly Sunny
then Slight
Chance
T-storms
Tuesday
Night
Tuesday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 72. Chance of precipitation is 20%.
Slight Chance
T-storms

Wednesday

Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 87.
Chance
T-storms

Wednesday
Night
Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am.  Mostly cloudy, with a low around 64.
Chance
T-storms then
Chance
Showers
Thursday

Thursday: A 30 percent chance of showers before 8am.  Partly sunny, with a high near 76.
Chance
Showers then
Mostly Sunny
Hi 88 °F Lo 72 °F Hi 91 °F Lo 74 °F Hi 92 °F Lo 72 °F Hi 87 °F Lo 64 °F Hi 76 °F

Hazardous Weather Outlook
Heat Advisory
 

This Afternoon
 
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Heat index values as high as 98. West wind around 5 mph.
Tonight
 
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. Calm wind.
Monday
 
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
 
Mostly clear, with a low around 74. Calm wind.
Tuesday
 
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind becoming west around 5 mph.
Tuesday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 20%.
Wednesday
 
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 87.
Wednesday Night
 
A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 64.
Thursday
 
A 30 percent chance of showers before 8am. Partly sunny, with a high near 76.
Thursday Night
 
Partly cloudy, with a low around 57.
Friday
 
Sunny, with a high near 77.
Friday Night
 
Partly cloudy, with a low around 56.
Saturday
 
Mostly sunny, with a high near 78.

 

Forecast from NOAA-NWS for Fort Wayne IN.

Weather Forecast Discussion
902
FXUS63 KIWX 271047
AFDIWX

Area Forecast Discussion
National Weather Service Northern Indiana
647 AM EDT Sun Jul 27 2025

.KEY MESSAGES...

- A Heat Advisory is in effect for today for heat indices from
  95 to 100 degrees.

- Hot and humid weather is expected Monday and Tuesday with
  afternoon heat indicies between 100 and 110 degrees.

- Isolated to scattered thunderstorms are possible today through
  Tuesday. Severe weather is not expected.

&&

.DISCUSSION...
Issued at 351 AM EDT Sun Jul 27 2025

An anomalously strong upper level ridge will dominate the
weather early this upcoming week with temperatures above to
much above normal. Energy topping the upstream ridge over
western North America will help trigger showers and scattered
thunderstorms downstream over the forecast area early this week.
Severe storms or flooding are not expected given weak winds in
the lower layers, sufficient storm movement and relatively warm
mid level temperatures.

Another heat episode is setting up for Monday and Tuesday as a
large upper level ridge extends north of the Ohio River. Have
issued a Heat Advisory for early this week for heat indices
between 100 and 110 degrees. A cold front will bring scattered
thunderstorms to the area Wednesday before somewhat cooler air
arrives late this week.

&&

.AVIATION /12Z TAFS THROUGH 12Z MONDAY/...
Issued at 647 AM EDT Sun Jul 27 2025

Very moist environment could support some MVFR ceilings through
the next few hours before diurnal mixing increases. Convection
around KFWA should continue to wane but a second round is
possible during the afternoon. Coverage of any additional storms
should be low given increasing subsidence/capping and decreasing
instability due to warming temps aloft. Some fog is possible
around KFWA Monday morning but confidence is too low to mention
this far out.

&&

.IWX WATCHES/WARNINGS/ADVISORIES...
IN...Heat Advisory from noon EDT /11 AM CDT/ today to 9 PM EDT /8
    PM CDT/ this evening for INZ005>009-012>015-017-018-020-
     022>027-032>034-103-104-116-203-204-216.
OH...Heat Advisory from noon today to 9 PM EDT this evening for
     OHZ001-002-004-005-015-016-024-025.
MI...Heat Advisory from noon today to 9 PM EDT this evening for
     MIZ078>081-177-277.
MARINE...None.

&&

$$

DISCUSSION...Skipper
AVIATION...AGD
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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