National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Marion Municipal Airport (KMZZ)

Lat: 40.49°NLon: 85.68°WElev: 860ft.

Fair

68°F

20°C

Humidity 90%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 65°F (18°C)
Visibility 7.00 mi
Last update 16 Aug 4:15 am EDT
Extended Forecast for

Fairmount IN

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind becoming southwest around 5 mph in the morning.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm.

    Low: 70 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Heat index values as high as 96. Northwest wind around 5 mph.

    High: 88 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68. North wind around 5 mph becoming east after midnight.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. Southeast wind around 5 mph.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.

    High: 79 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind becoming southwest around 5 mph in the morning.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Heat index values as high as 96. Northwest wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 68. North wind around 5 mph becoming east after midnight.
Monday
Mostly sunny, with a high near 88. Southeast wind around 5 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 71.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairmount IN
 40.42°N 85.64°W (Elev. 846 ft)
Last Update:
4:30 am EDT Aug 16, 2025
Forecast Valid:
4am EDT Aug 16, 2025-6pm EDT Aug 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation