Indiana Weather Outlook 3-13-18

Light snow and flurry action was a little more pesky and frequent yesterday than we would like to admit. And, unfortunately, strong north winds have only strengthened for today, meaning we can’t escape more of the same for today. The snow will definitely be enhanced by the lake, and will likely reach its zenith this morning into early afternoon. Later in the afternoon action will be pushing off to the east. We won’t rule out a fresh coating to half an inch on grassy surfaces, cars or anything else similar, but do not expect problems. Action will be limited to areas north of I-70, except we could see something south of Richmond in the eastern part of the state. All other areas south will just see clouds and cold air. Today should be the coldest day this week.

Winds turn west tomorrow, and that should swing us to more of a dry pattern. Those west winds all also allow for a slight moderation in temps, getting us closer to normal at midweek. We continue the dry pattern through the rest of the week and weekend. Temps will bounce into the lower to middle 40s for most of the period in the north, 50s in the south, while sunshine dominates.

Next Monday we see a bit of a transition day. Our next strong low is on the way, but may be delayed until late Monday night and then trigger most of its precipitation on Tuesday. So, on Monday, we could see some strong south flow ahead of the low, bumping temps slightly. The best chance for warmth on Monday will be in southern Indiana, while we see less of a move up north. Clouds will be building through the day. Then when precipitation does break out later Monday night and/or Tuesday, we should see generally rain. We like rain totals from .25” to .75” with coverage at 80%. That coverage is slightly less than 24 hours ago in our forecast due to the low tracking slightly farther north. We dry down late Tuesday afternoon and stay dry through the end of the week.

No change to our extended picture this morning. The next chance of well-organized precipitation comes for Sunday the 25th, with a strong low moving out of the central plains up into the Great Lakes. This will put us in the strong south flow part of the circulation, meaning temps should rise and we see the threats of .25”-1” rains, including some thunderstorms. Coverage will be nearly 90% of the state. The extended pattern stays active with another system a few days later for Tuesday the 27th. This system has a similar track and can bring .25”-.75” to 80% of the state. The heaviest rains out of that event split, with one tracking north into Michigan, and the other staying south of the Ohio River. We continue to expect that the month of March will finish with good precipitation chances.



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