Lake Sullivan, IN Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Clear 35°F
Feels Like 35°F  
Humidity 68% Dew Point 26°F Wind Calm 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: Mostly Cloudy, Low 32F
 
32
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

1941 - Only two women were employed by the Weather Bureau. By 1945, more than 900 women are employed by the Weather Bureau as observers and forecasters, as a result of filling positions of men during World War II. Eleven days after Pearl Harbor, the Army requested that all weather broadcasts be discontinued. The fear was that the enemy would use this information to plan an attack on the United States.

More on this and other weather history

Lake Sullivan, IN 7 Day Weather Forecast Details

Tuesday Dec 16

Mostly Cloudy

Night: Mostly cloudy, with a low around 32. 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.