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

Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Overcast

62°F

17°C

Humidity 84%
Wind Speed N 6 mph
Barometer 29.99 in (1015.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 11 Oct 11:55 am EDT
Extended Forecast for

3 Miles NNW Galveston IN

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 74. North wind around 5 mph.

    High: 74 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Calm wind becoming south around 5 mph.

    Low: 55 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 87. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely after 8am. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • 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. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 74. North wind around 5 mph.
Tonight
Mostly clear, with a low around 55. Calm wind becoming south around 5 mph.
Columbus Day
Mostly sunny, with a high near 87. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 69. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 89. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 62.
Wednesday
A chance of showers and thunderstorms, then showers likely after 8am. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 56.
Thursday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 72. 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. Mostly cloudy, with a high near 64.
Friday Night
Mostly cloudy, with a low around 39.
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:
3 Miles NNW Galveston IN
 40.61°N 86.2°W (Elev. 751 ft)
Last Update:
11:15 am EDT Oct 11, 2026
Forecast Valid:
12pm 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