637
FLUS43 KIWX 181856
HWOIWX

Hazardous Weather Outlook
National Weather Service Northern Indiana
256 PM EDT Mon Aug 18 2025

INZ005>009-012>015-017-018-020-022>027-032>034-104-116-203-204-216-
MIZ078>081-OHZ001-002-004-005-015-016-024-025-191900-
Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-Marshall-
Fulton IN-Whitley-Allen IN-White-Cass IN-Miami-Wabash-Huntington-
Wells-Adams-Grant-Blackford-Jay-Eastern St. Joseph IN-
Northern Kosciusko-Southern La Porte-Western St. Joseph IN-
Southern Kosciusko-Cass MI-St. Joseph MI-Branch-Hillsdale-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
256 PM EDT Mon Aug 18 2025 /156 PM CDT Mon Aug 18 2025/

This Hazardous Weather Outlook is for northern Indiana, southwest
Michigan and northwest Ohio.

.DAY ONE...This afternoon and tonight.

Chances of thunderstorms will increase tonight. Severe weather is
not expected but a few storms may produce some heavy rainfall.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

There is a chance of thunderstorms on Tuesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

INZ103-MIZ177-277-191900-
Northern La Porte-Northern Berrien-Southern Berrien-
256 PM EDT Mon Aug 18 2025 /156 PM CDT Mon Aug 18 2025/

This Hazardous Weather Outlook is for northern Indiana and
southwest Michigan.

.DAY ONE...This afternoon and tonight.

Chances of thunderstorms will increase tonight. Severe weather is
not expected but a few storms may produce some heavy rainfall.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

There is a chance of thunderstorms on Tuesday.

Dangerous swimming conditions are expected for southeast Lake
Michigan beaches Wednesday into Thursday morning. There is a High
Swim Risk Wednesday and Wednesday night, and a Moderate Swim Risk
Thursday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

LMZ043-046-191900-
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
256 PM EDT Mon Aug 18 2025

This Hazardous Weather Outlook is for the nearshore waters of
southeastern Lake Michigan.

.DAY ONE...This afternoon and tonight.

An isolated thunderstorm is possible today, with a greater chance of
thunderstorms tonight. A few storms may produce wind gusts to 30
knots.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

There is a chance of thunderstorms on Tuesday.

Hazardous conditions for small craft are possible Wednesday and
Wednesday night.

$$