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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Overcast

59°F

15°C

Humidity 85%
Wind Speed E 7 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 11 Oct 5:55 am EDT
Extended Forecast for

Mexico IN

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 73. North wind around 5 mph.

    High: 73 °F

    Gradual
    Clearing

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

  • Columbus Day

    Columbus Day: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 86. South wind 5 to 10 mph.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. South wind around 10 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Partly sunny, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 73. North wind around 5 mph.
Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 55. Calm wind.
Columbus Day
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 86. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 69. South wind around 10 mph.
Tuesday
Sunny, with a high near 87. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 61.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 74. Chance of precipitation is 50%.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 56.
Thursday
Showers likely, mainly after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 60%.
Thursday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 64.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 40.
Saturday
A slight chance of showers. Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mexico IN
 40.82°N 86.1°W (Elev. 699 ft)
Last Update:
6:30 am EDT Oct 11, 2026
Forecast Valid:
6am EDT Oct 11, 2026-6pm EDT Oct 17, 2026
 
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