Lost River, IN Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lost River, IN in one place.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 76. West wind around 7 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Lost River, IN is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 21, 2026 3:27 AM EDT.
The active forecast window currently covers Apr 22 to Apr 27, 2026 for Lost River, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 27, 2026
- Latest sync
- Apr 21, 2026 3:27 AM EDT
- Forecast office
- LMK
- Source
- NOAA / NWS
Daily Outlook
This Week in Lost River
Thursday looks like the warmest upcoming period in Lost River at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Friday at about 5 to 8 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 21, 2026 3:27 AM EDT
- Coverage
- 6 days
- Time zone
- America/Indiana/Indianapolis
- Forecast office
- LMK
- Radar station
- KLVX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 56. Southwest wind around 5 mph.
Sunny, with a high near 80.
Partly cloudy, with a low around 62.
A chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Showers and thunderstorms likely before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 70%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 54. Chance of precipitation is 40%.
A slight chance of rain showers. Partly sunny, with a high near 75. Chance of precipitation is 20%.
A slight chance of rain showers before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Slight Chance Rain Showers then Mostly Sunny
|
76°F |
7 mph
W
|
|
Wednesday Night
Apr 22
|
Mostly Clear
|
56°F |
5 mph
SW
|
|
Thursday
Apr 23
|
Sunny
|
80°F |
2 to 6 mph
S
|
|
Thursday Night
Apr 23
|
Partly Cloudy
|
62°F |
5 mph
S
|
|
Friday
Apr 24
|
Showers And Thunderstorms Likely
|
78°F |
5 to 8 mph
S
|
|
Friday Night
Apr 24
|
Showers And Thunderstorms Likely
|
58°F |
2 to 6 mph
SW
|
|
Saturday
Apr 25
|
Showers And Thunderstorms Likely
|
75°F |
5 mph
N
|
|
Saturday Night
Apr 25
|
Chance Showers And Thunderstorms
|
54°F |
3 mph
NE
|
|
Sunday
Apr 26
|
Slight Chance Rain Showers
|
75°F |
6 mph
E
|
|
Sunday Night
Apr 26
|
Chance Showers And Thunderstorms
|
55°F |
5 mph
NE
|
|
Monday
Apr 27
|
Chance Showers And Thunderstorms
|
72°F |
7 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lost River.