Marcus’ 4 a.m. Monday forecast
INDIANAPOLIS (WISH) — A brief break from hot and muggy conditions is expected before another round of intense heat returns to central Indiana this week.
Today;
Showers are slowly moving out of the state this morning along a slow-moving boundary that has been draped across the region since the start of the weekend. Expect showers to continue pushing south and southwest throughout the morning, leaving most areas dry with mostly cloudy skies early and partly cloudy to mostly sunny skies by late afternoon.
High temperatures will reach the mid-80s, which is reasonable. Humidity will be elevated but not extremely high, making for a pleasant afternoon.
Tonight:
Very pleasant conditions are expected overnight with drier air in place and mostly clear skies. Overnight lows will fall to the mid-60s across the state.
Tuesday:
Tuesday should be another nice day with sunny skies from start to finish. Slightly warmer temperatures are expected, but humidity will remain in check. Highs will reach the mid- to upper 80s.
Extreme heat returns:
Humidity will begin to rise as early as late Tuesday night. Combined with a large heat dome building over the eastern half of the region, we are in for a stretch of dangerous heat and humidity through the end of the week. Expect highs on Wednesday, Thursday, and Friday to reach the low 90s. With dewpoints in the low to mid-70s, heat indices will likely exceed 100°F and, at times, surpass 105°F.
Additionally, overnight lows will only drop to the mid-70s, providing little relief during the night.
Rain returns late week:
The forecast should remain dry until at least early Thursday. A few pop-up storms may develop Thursday afternoon. Increased chances for rain and storms will begin Friday as the upper-level ridge starts to flatten, allowing for better precipitation chances. The best chance for rain appears to be at the start of the weekend on Saturday, with numerous showers and thunderstorms possible and highs in the upper 80s. Chances for storms will continue through Sunday to close out the weekend, with highs near 90°F. The long-range pattern keeps us hot early next week, with highs pushing 90°F through midweek, only returning to seasonable temperatures by the end of July.
The 8- to 14-day outlook also shows strong signals of above-average temperatures as we begin the month of August.
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