HEADLINES
– Lower humidity and no rain chances until Friday.
– Scattered showers and storms Friday night through the weekend.
– Rainfall could be heavy.
TODAY’S MAP
NWS TECHNICAL DISCUSSION
Quiet weather will continue as a surface cold front has moved southeast of central Indiana. There will be some passing mid clouds, especially south, as they traverse through an upper trough. Today... The area will remain in northwest flow aloft on the back side of an upper trough, keeping some cooler air aloft over the region. This will allow scattered cumulus to pop up today, becoming broken at times. In addition, another round of elevated wildfire smoke will move in. This will keep skies hazier than normal. The result of the above will be partly cloudy conditions at times throughout the day. At the surface, high pressure will be in control. The available sunshine today will help temperatures peak in the middle and upper 70s. Tonight... A quiet night is expected with high pressure remaining the dominant influence. Cumulus will dissipate by early evening, just leaving some passing elevated smoke at times. Lows will generally be in the middle and upper 50s. && .LONG TERM (Wednesday through Monday)... Issued at 215 AM EDT Tue Jun 10 2025 Split flow will continue through much of the period, with the jet stream staying north of central Indiana. An upper level trough will eventually move northeast into the area, which will keep rain chances around. Wednesday into Thursday... Wednesday will be quiet with upper ridging in place. Warmer air moving in will bring highs in the mid 80s. On Thursday, the northern stream will bring a cold front into northern Indiana. Most of the chances for rain should remain north of the forecast area, but can`t absolutely rule out an isolated shower or storm reaching the northern forecast area. Will have some slight chance PoPs Thursday afternoon north, but with low confidence. Friday and beyond... Uncertainty remains higher than normal through the remainder of the long term period. As noted above, an upper trough will move from the south central part of the country northeast into the area. Models are not consistent with the timing of this though, which leads to the uncertainty. Before the trough arrives, the old surface front will remain in northern Indiana. Southerly flow will bring in moisture, and with high temperatures in the 80s, instability will thus build in the afternoons. Scattered showers and storms will be possible before the trough arrives. Will thus have PoPs throughout the long term period. At the moment, this weekend looks to have the highest chances for rain, but that could change. Even if the trough moves through quicker, zonal flow could set up, bringing occasional rounds of forcing which would bring periodic chances for rain regardless. Highs in the 80s with lows in the 60s will be the rule through the long term.
INDY SEVEN DAY FORECAST
Today: Mostly sunny morning. Partly sunny afternoon. Some smoke/haze into the afternoon. High 77.
Tonight: Mostly clear. Low 59.
Wednesday: Sunny and warmer. High 84.
Wednesday Night: Clear. Low 63.
Thursday: Mostly sunny. High 86.
Thursday Night: Mostly clear. Low 66.
Friday: Partly sunny. Shower and storm chanc by late afternoon. High 85.
Friday Night: Shower and storm chances. Low 68.
Saturday: Showers and storms. High 83.
Saturday Night: Showers and storms. Low 68.
Sunday: Showers and storms. Heavy rain possible. High 82.
Sunday Night: Scattered showers and storms. Low 67.
Monday: Mostly cloudy, with scattered showers. High 84.
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