Jasper, Indiana Weather Conditions

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Current Conditions

  • 34°
  • Overcast
  • Wind: Calm
  • Humidity: 70%
  • Visibility: 10.0 miles
  • Dew Point: 25°
  • Pressure: 30.29 in. -

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Next 12 Hours

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4  pm
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1  am
Mostly Cloudy
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Partly Cloudy
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Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Saturday
  • Partly Cloudy
  • High: 37 °
  • Low: 28 °
  • Partly Cloudy
  • Sunday
  • Partly Cloudy
  • High: 39 °
  • Low: 30 °
  • Partly Cloudy
  • Monday
  • Chance Rain
  • High: 46 °
  • Low: 48 °
  • Chance Rain
  • Tuesday
  • Chance of Rain
  • High: 52 °
  • Low: 37 °
  • Chance of Rain
  • Wednesday
  • Chance of Snow
  • High: 41 °
  • Low: 30 °
  • Chance of Snow

Forecast for Jasper, Indiana

Updated: 10:00 AM EST on December 20, 2014

  • Saturday

    Partly cloudy. High of 37F. Winds less than 5 mph.

  • Saturday Night

    Partly cloudy. Low of 28F. Winds less than 5 mph.

  • Sunday

    Partly cloudy. High of 39F. Winds from the ESE at 5 to 10 mph.

  • Sunday Night

    Mostly cloudy. Low of 30F. Winds from the SE at 5 to 10 mph.

  • Monday

    Overcast with a chance of rain, then a chance of rain in the afternoon. Fog early. High of 46F. Winds from the SSE at 5 to 15 mph. Chance of rain 30%.

  • Monday Night

    Overcast with a chance of rain. Fog overnight. Low of 48F. Winds from the SSE at 10 to 15 mph. Chance of rain 50%.

  • Tuesday

    Overcast with a chance of rain. Fog early. High of 52F. Breezy. Winds from the SSE at 10 to 20 mph. Chance of rain 60% with rainfall amounts near 0.3 in. possible.

  • Tuesday Night

    Overcast with a chance of rain. Fog overnight. Low of 37F. Winds from the West at 5 to 15 mph. Chance of rain 70% with rainfall amounts near 0.7 in. possible.

  • Wednesday

    Overcast with a chance of rain, then a chance of snow and rain showers in the afternoon. High of 41F. Breezy. Winds from the WSW at 10 to 20 mph. Chance of precipitation 40% .

  • Wednesday Night

    Partly cloudy with a chance of rain. Low of 30F with a windchill as low as 19F. Breezy. Winds from the WSW at 15 to 20 mph. Chance of rain 40%.

  • Thursday

    Partly cloudy. High of 50F. Breezy. Winds from the WSW at 15 to 20 mph.

  • Thursday Night

    Partly cloudy. Fog overnight. Low of 34F with a windchill as low as 25F. Winds from the SSW at 10 to 15 mph.

  • Friday

    Overcast. Fog early. High of 57F. Breezy. Winds from the SSW at 10 to 20 mph shifting to the WNW in the afternoon.

  • Friday Night

    Overcast. Low of 28F. Winds from the WNW at 5 to 15 mph.

  • Saturday

    Partly cloudy. High of 36F with a windchill as low as 18F. Winds from the WNW at 10 to 15 mph.

  • Saturday Night

    Clear. Low of 23F. Winds from the WNW at 5 to 10 mph.

  • Sunday

    Partly cloudy. High of 30F with a windchill as low as 21F. Winds from the WNW at 5 to 10 mph.

  • Sunday Night

    Partly cloudy. Low of 21F. Winds less than 5 mph.

  • Monday

    Overcast with a chance of snow. High of 30F. Winds less than 5 mph. Chance of snow 40%.

  • Monday Night

    Overcast with a chance of snow. Fog overnight. Low of 21F. Winds less than 5 mph. Chance of snow 50% with accumulations up to 2 in. possible.

  • Tuesday

    Overcast. Fog early. High of 27F. Winds from the NW at 5 to 10 mph.

  • Tuesday Night

    Clear. Low of 21F. Winds from the NW at 5 to 10 mph.

Severe Weather Alert Descriptions

 Record Report  Statement as of 02:01 am CST on December 20, 2014

... Record daily maximum rainfall set at Baton Rouge ASOS...

a record rainfall of 2.41 inch(es) was set at Baton Rouge ASOS
yesterday. This breaks the old record of 1.54 set in 1956.

 Public Information Statement  Statement as of 01:14 PM EST on December 20, 2014

... Snow reports for Louisville County Warning Area climate sites...

Location snowfall since total snow
                                     midnight on ground
                                   through 1 PM at 1 PM
                                     (inches) (inches)

Lexington (official) T 0
Louisville international (official) T 0
Louisville NWS office T 0

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: Kellerville, Dubois, IN

Updated: 1:34 PM EST

Temperature: 34.1 °F Dew Point: 29 °F Humidity: 81% Wind: ENE at 1.0 mph Pressure: 30.27 in Hourly Precipitation: 0.00 in Windchill: 34 °F Graphs

Location: Rusk Indiana, Shoals, IN

Updated: 1:35 PM EST

Temperature: 39.6 °F Dew Point: 29 °F Humidity: 65% Wind: ESE at 2.2 mph Pressure: 30.26 in Hourly Precipitation: 0.00 in Windchill: 40 °F Graphs

Location: 1 Block West of Oakland City University, Oakland City, IN

Updated: 12:35 PM CST

Temperature: 35.1 °F Dew Point: 29 °F Humidity: 78% Wind: ENE at 2.0 mph Pressure: 30.30 in Hourly Precipitation: 0.00 in Windchill: 35 °F Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion

Area forecast discussion 
National Weather Service Louisville Kentucky 
1208 PM EST Sat Dec 20 2014 

..updated aviation discussion... 

..Forecast update... 
issued at 1025 am EST Sat Dec 20 2014 

Main forcing that brought light snow to the area this morning has 
moved off into Ohio, so the remainder of the day is expected to be 
dry. The afternoon forecast is largely on track, though the 
challenge is cloud cover. Models are not handling the low/mid level 
moisture very well at all as there is a large, although thin, deck 
of clouds upstream. The hrrr seems to have a somewhat decent handle 
on the current situation, so trended the forecast in that direction, 
but went more pessimistic given current satellite and low sun angle 
this time of year. This gives more of an cloudy/overcast afternoon 
to the area, though there could be some breaks along/south of the Kentucky 
parkways. As a result of the increased clouds, lowered high 
temperatures a degree or two. 

Issued at 815 am EST Sat Dec 20 2014 

Radar returns, automated observations and spotter reports confirm 
that the light snow continues across the Louisville Metro area and 
points north and east. With temperatures remaining in the upper 20s 
to around 30, slick spots on untreated roads, particularly bridges 
and overpasses could develop. Adjusted forecast grids and continued 
Special Weather Statement for portions of the area. 

The main forcing for this activity is an upper level shortwave and 
this is rapidly moving out of the area, so i'm expecting this 
activity to end west to east over the next few hours. 

Issued at 542 am EST Sat Dec 20 2014 

Light snow continues across portions of southern in and north 
central Kentucky this morning. Some light accumulations have been reported 
on cars and area roadways this morning for this activity. Updated 
the grids to reflect current radar trends and issued an Special Weather Statement talking 
about slick spots. Still think most of this activity should move out 
of the area by around sunrise. 

Short term (now through sunday)... 
issued at 307 am EST Sat Dec 20 2014 

Some light radar returns continue to show up across southern Indiana 
and portions of north central Kentucky this morning associated with 
a weak pv anomaly. Some light snow may reach the ground under 
the strongest echoes, as it did here at the office. However, the 
most that is expected is a very light dusting on elevated surfaces. 
This activity will continue to push off to the northeast over the 
next few hours and should be out of the area by sunrise. 

Clouds will stick around for much of the day but should begin to 
clear by late afternoon into the evening. High pressure ridging in 
from the northeast will keep the area dry through Sunday. Highs 
today will range from the upper 30s in the north to the mid 40s in 
the south. Tomorrow will be a bit warmer with highs ranging from the 
mid 40s to around 50. Lows tonight will be in the mid to upper 20s. 

Long term (sunday night through friday)... 
issued at 332 am EST Sat Dec 20 2014 

Sunday night through Tuesday night... 

Medium range deterministic guidance continues to be in good 
agreement with the overall pattern as head into the late weekend and 
into early next week. The upper pattern at the beginning of the 
period will feature a broad trough over the inter-mountain west with 
ridging along both coasts. This will place the Ohio Valley in a 
broad southwesterly flow aloft early in the period. As we move into 
Monday, the multi-model consensus continues to suggest that the 
ridge over the eastern Pacific will build northward into western 
Canada. As this occurs, the Pacific jet will pound it's way into 
Canada and then drop into the plains. This will lead to the broad 
trough over the inter-mountain west to deepen and close off by 
Monday afternoon. The trough is expected to deepen further 
resulting in cyclogenesis over Texas. This surface low will deepen 
as well as it heads NE into the Ohio Valley by late Tuesday night. 

We'll see dry conditions initially in our region at the beginning of 
the period, but rain chances will quickly ramp up on Monday as the 
broad southwesterly flow pushes quite a bit of moisture up into our 
region. Precipitable water amounts of nearly 1.25 inches look to 
be in our vicinity by Tuesday afternoon which is +2 Standard 
deviations above normal. Thus, some of the rainfall could be heavy 
at times from Monday afternoon through Tuesday night. With US 
remaining in the southwest flow, temperatures will be rather mild 
through this portion of the forecast period. Lows Sunday night will 
drop into the Lower-Middle 30s with highs on Monday warming into the 
lower 50s in the north with Lower-Middle 50s across the south. 
Temps will cool off just a bit Monday night with lows mainly in the 
lower-mid 40s. Tuesday look like to be the mildest day of the 
period with highs pushing into the upper 50s. Given the deepening 
system and broad southwesterly flow, these numbers for Tuesday are 
probably too conservative, and we may see some lower 60 degree 
readings down across southern Kentucky. Some colder air will start to 
wrap in late Tuesday night with lows crashing into the mid 30s in 
the west with mid-upper 40s in the east. 

Wednesday through Friday... 

..very active period of weather likely for Christmas eve and into 
early Christmas day... 

Latest long term model guidance has been trending westward with the 
overall track of the surface low. The Canadian Gem has been leading 
the pack on the westward shift, and the Euro and GFS solutions have 
now trended more west with the low. By Wednesday morning, low 
pressure should be in east-central Kentucky with a rather large 
precipitation shield encompassing much of the region. The pressure 
gradient will rapidly increase during the morning hours with 
sustained winds ramping up to 10-20 miles per hour by the early afternoon 
hours. The surface low is expected to rapidly intensify during the 
afternoon as it races from east-central Kentucky into western Ontario. 
Based on the multi-model consensus, we could see the system deepen 
by 20+ millibars within a 24 hour period. As the low pulls away 
from the region, we will see winds shift to the northwest and remain 
quite elevated with sustained winds of 10-20 miles per hour and gusts up to 
35-40 miles per hour. Thermal profiles are slightly warmer during the day 
suggestive that much of the precipitation behind the system will be 
in the form of rain. Highs early in the day will be in the upper 
30s in the west to the lower-mid 40s in the east and then fall 
during the afternoon. 

By Christmas eve, we will see temperature profiles crash from west 
to east resulting in a quick change over to snow showers. Very 
blustery and cold conditions look increasingly likely for Christmas 
eve with widespread snow shower activity in progress across the 
region. Model soundings continue to show very steep low-level lapse 
rates with plenty of moisture in the ice Crystal producing layer. 
Thus, some snow showers may capable of producing moderate snow at 
times during the evening. While temperatures drop to near freezing, 
there will be an opportunity for some minor accumulations. Given 
the relatively warm ground and recent rainfall, any snowfall 
accumulation will be dependent upon the intensity of the snow 

The models continue to trend a little faster with the moisture pull 
off to the northeast early Christmas morning. Current thinking is 
that we'll still have some snow shower activity past midnight, but 
then rapidly diminish by sunrise. The flow aloft looks to quickly 
revert back to zonal flow which will likely push some drier air into 
the region resulting clearing skies during the day. Temperatures 
will be challenging depending on how fast skies clear. The clear 
trend in the models has been warmer, so we have adjusted 
temperatures slightly upwards with highs in the upper 30s in the 
north to the lower-mid 40s across the south. 

Generally dry conditions are expected for Friday. However, another 
quick moving system will be pushing into the region by the late part 
of the period. Temps on Friday may be quite mild within the return 
flow regime with upper 40s to lower 50s being possible. A period of 
rain showers looks increasingly likely for Friday night with colder 
conditions returning by Saturday. 


Aviation (18z taf update)... 
issued at 1204 PM EST Sat Dec 20 2014 

Much of the area around sdf/Lex/bwg remains VFR at this hour with 
2000-2500 ft MVFR ceilings across southern Indiana and southwest 
Ohio. Expecting VFR clouds to persist through the period with 
light/variable winds this evening becoming more northeasterly to 
easterly overnight. There are some indications that clouds could 
scatter out overnight into Sunday morning, especially at bwg. Less 
confident at sdf/Lex. If clouds do scatter out, the baggy wind field 
and residual low-level moisture could result in light fog. 


Lmk watches/warnings/advisories... 


short term.....Eer 
long term......mj 

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