Lake Sullivan, IN Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Clear 36°F
Feels Like 36°F  
Humidity 67% Dew Point 26°F Wind SE 1 MPH Gusts 2 Barometer 29.99 in.
Report from a MADIS/MESONET weather station 2.5 mi. SSW of central Lake Sullivan
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Point Forecast at a Glance

TueDec 16
Tue Dec 16: Cloudy, Low 36F
 
36
WedDec 17
Wed Dec 17: Mostly Cloudy, High 44F, Low 36F
44
36
ThuDec 18
Thu Dec 18: Rain, High 53F, Low 21F
100%
53
21
FriDec 19
Fri Dec 19: Mostly Sunny, High 32F, Low 26F
32
26
SatDec 20
Sat Dec 20: Partly Sunny, High 49F, Low 29F
49
29
SunDec 21
Sun Dec 21: Mostly Sunny, High 41F, Low 27F
41
27
MonDec 22
Mon Dec 22: Partly Sunny, High 44F, Low 34F
44
34

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7-Day Temperature Trend

Week Ahead Summary

High temperatures start near 44°F, reaching 53°F before cooling to 32°F, then recovering to 44°F by week's end. Some rain possible with at least 2 days showing precipitation chances of 20% or higher.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 43°F and lows around 27°F.

This Date in Weather History

1917 - An ice jam closed the Ohio River between Warsaw, KY, and Rising Sun, IN. The thirty foot high ice jam held for 58 days, and backed up the river a distance of 100 miles.

More on this and other weather history

Lake Sullivan, IN 7 Day Weather Forecast Details

Tuesday Dec 16

Cloudy

Night: Cloudy, with a steady temperature around 36. South southwest wind 9 to 11 mph, with gusts as high as 22 mph.

Wednesday Dec 17

Mostly Cloudy

Day: Mostly cloudy, then gradually becoming sunny, with a high near 44. Southwest wind around 6 mph becoming light and variable in the afternoon.

Rain

Night: A 40 percent chance of rain after 1am. Patchy fog after 10pm. Otherwise, increasing clouds, with a temperature falling to near 36 by 9pm, then rising to around 45 during the remainder of the night. South wind 5 to 13 mph, with gusts as high as 24 mph.

Thursday Dec 18

Rain

Day: Rain. High near 53. South wind 14 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Rain

Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 21. West wind 11 to 14 mph, with gusts as high as 25 mph.

Friday Dec 19

Mostly Sunny

Day: Mostly sunny, with a high near 32. West wind 7 to 11 mph, with gusts as high as 21 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 26. South wind 5 to 10 mph, with gusts as high as 21 mph.

Saturday Dec 20

Partly Sunny

Day: Partly sunny, with a high near 49. South wind 10 to 14 mph, with gusts as high as 24 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around 29. Southwest wind around 7 mph becoming west northwest after midnight.

Sunday Dec 21

Mostly Sunny

Day: Mostly sunny, with a high near 41. North northwest wind around 7 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around 27.

Monday Dec 22

Partly Sunny

Day: Partly sunny, with a high near 44.

Mostly Cloudy

Night: Mostly cloudy, with a low around 34.

Tuesday Dec 23

Mostly Cloudy

Day: Mostly cloudy, with a high near 51.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.