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Numbers: today's rain (mm)
Next 2 hours · radar nowcast
Nothing moving your way on IMD’s latest picture (pictures arrive 30–45 min late, so showers forming since then don’t show) · rain is moving in from the SW at 25 km/h
Approximate: rain cells grow and fade as they move · Testing: the radar nowcast is still being checked against what happened
Sources
Radar 3:36 AM · Lightning 4:01 AM · Gauges to 04:30 AM · Models 4:33 AM
👥 Is it raining where you are right now?
Small chance of rain (10%)
0 mm expected in 24 hours · 10% chance of rain today
☀️ Dry spell: 4 AM – 4 PM
☂️ Umbrella?⚠️
Take one — rain around 5 PM – 5 PM
👕 Dry clothes outside?✅
Yes — Today 8 AM – 4 PM
🏍️ Two-wheeler ride?✅
Fine — no significant rain
🌅 Evening outing?⚠️
Today: chance of light rain — take an umbrella
🌾 Spray crops?✅
Yes — Today 6 AM – 4 PM
| Time | Rain (%, mm) | Temp | Wind | RH | |
|---|---|---|---|---|---|
| 4 AM | ☁️ | 1% | 24°(30°) | 1 | 97% |
| 5 AM | ☁️ | 1% | 24°(29°) | 2 | 99% |
| 6 AM | 🌤️ | 1% | 24°(29°) | 4 | 98% |
| 7 AM | 🌤️ | 1% | 25°(30°) | 3 | 91% |
| 8 AM | 🌤️ | 1% | 27°(32°) | 6 | 83% |
| 9 AM | 🌤️ | 1% | 29°(34°) | 8 | 73% |
| 10 AM | ☁️ | 1% | 31°(36°) | 7 | 66% |
| 11 AM | ☁️ | 1% | 32°(38°) | 4 | 60% |
| 12 PM | ☁️ | 1% | 32°(38°) | 5 | 56% |
| 1 PM | 🌦️ | 4% | 33°(39°) | 3 | 53% |
| 2 PM | 🌦️ | 1% | 33°(37°) | 6 | 53% |
| 3 PM | 🌦️ | 6% | 30°(34°) | 11 | 66% |
| 4 PM | 🌦️ | 6% · 0.1 | 28°(33°) | 12 | 82% |
| 5 PM | 🌦️ | 14% · 0.3 | 28°(34°) | 5 | 86% |
| 6 PM | 🌦️ | 4% | 27°(34°) | 3 | 92% |
| 7 PM | ☁️ | 4% | 27°(34°) | 2 | 95% |
| 8 PM | ☁️ | 4% | 26°(33°) | 3 | 97% |
| 9 PM | 🌙 | 4% | 26°(33°) | 1 | 99% |
| 10 PM | ☁️ | 1% | 26°(33°) | 1 | 99% |
| 11 PM | ☁️ | 1% | 25°(32°) | 3 | 100% |
| 12 AM | ☁️ | 1% | 25°(31°) | 5 | 98% |
| 1 AM | 🌙 | 1% | 25°(30°) | 5 | 96% |
| 2 AM | ☁️ | 1% | 24°(30°) | 4 | 96% |
| 3 AM | 🌙 | 1% | 24°(29°) | 4 | 96% |
| 4 AM | 🌙 | 1% | 24°(29°) | 3 | 97% |
| 5 AM | ☁️ | 1% | 23°(29°) | 3 | 99% |
| 6 AM | ☀️ | 1% | 23°(28°) | 4 | 99% |
| 7 AM | ☀️ | 1% | 25°(30°) | 6 | 89% |
| 8 AM | ☀️ | 1% | 28°(32°) | 5 | 75% |
| 9 AM | 🌤️ | 1% | 30°(35°) | 5 | 66% |
“Chance” = how often it actually rained on days when this many models forecast rain. Even when every model says rain, it rained on only about 2 in 3 days.
A consensus of 9 global weather models. Every day we check which models were right in Tamil Nadu against TN-SMART gauges and lean on those (last 25 days).
| Today | Tomorrow | Thu, 29 Oct | Recent avg. error | |
|---|---|---|---|---|
| ECMWF AI✓ used | 1.8 | 0 | 0 | 12.7 mm |
| GFS (USA)✓ used | 2.1 | 0 | 0 | 11.5 mm |
| ICON (Germany)✓ used | 1.7 | 0 | 0 | 9.5 mm |
| UK Met Office✓ used | 0 | 0.5 | 0 | 12.2 mm |
| Météo-France✓ used | 23 | 0 | 0 | 12.3 mm |
| CMA (China)✓ used | 2.4 | 0 | 0 | 12.5 mm |
| ECMWF (Europe) | 3.3 | 0 |
No weatherman has made a specific forecast for this district for today or tomorrow yet.
Each forecast is checked the next morning against TN-SMART gauges (last 30 days). Claude AI reads the posts to pick out the forecasts; open a post for the full picture.
Thayilpatti0.0 km
3 h 0 mmSince 8:30 AM 0 mm24 h to 8:30 AM 8.4 mm
Vembakottai Dam6.2 km
24 h to 8:30 AM 2.8 mm
Chinnakamanpatti8.4 km
3 h 0 mmSince 8:30 AM 0.4 mm24 h to 8:30 AM 4.4 mm
Highest in district (24 h): Irunchirai 45 mm
📋 Full district report: by taluk, dams →TN-SMART · Tamil Nadu Disaster Risk Reduction Agency
| 10 AM |
| 🌤️ |
| 1% |
| 31°(37°) |
| 6 |
| 59% |
| 11 AM | 🌤️ | 1% | 32°(38°) | 7 | 55% |
| 12 PM | 🌤️ | 1% | 33°(39°) | 6 | 50% |
| 1 PM | 🌤️ | 1% | 34°(39°) | 5 | 47% |
| 2 PM | ☀️ | 1% | 34°(38°) | 5 | 45% |
| 3 PM | ☀️ | 1% | 34°(37°) | 7 | 46% |
| 4 PM | ☀️ | 1% | 33°(36°) | 10 | 55% |
| 5 PM | ☀️ | 1% | 30°(34°) | 12 | 68% |
| 6 PM | ☀️ | 1% | 29°(31°) | 16 | 70% |
| 7 PM | ☁️ | 1% | 28°(30°) | 15 | 69% |
| 8 PM | ☁️ | 1% | 28°(30°) | 14 | 70% |
| 9 PM | ☁️ | 1% | 27°(30°) | 13 | 72% |
| 10 PM | ☁️ | 1% | 26°(29°) | 11 | 76% |
| 11 PM | ☁️ | 1% | 25°(28°) | 10 | 79% |
| 12 AM | ☁️ | 1% | 25°(28°) | 9 | 80% |
| 1 AM | ☁️ | 1% | 24°(27°) | 7 | 83% |
| 2 AM | 🌙 | 1% | 23°(27°) | 6 | 88% |
| 3 AM | ☁️ | 1% | 22°(26°) | 6 | 90% |
| 0 |
| 13.8 mm |
| JMA (Japan) | 0 | 0 | 0 | 13.0 mm |
| GEM (Canada) | 0.9 | 0 | 0 | 17.9 mm |