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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 NW at 17 km/h (using the upper-air wind)
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 4:31 AM
👥 Is it raining where you are right now?
Small chance of rain (8%)
1 mm expected in 24 hours · 8% chance of rain today
☀️ Dry spell: 3 PM – 3 AM
☂️ Umbrella?⚠️
Take one — rain around 1 PM – 2 PM
👕 Dry clothes outside?⚠️
Short dry spell only (9 AM – 12 PM); finish under a fan indoors
🏍️ Two-wheeler ride?✅
Fine — no significant rain
🌅 Evening outing?✅
Today: pleasant evening, 20° — beach or park
🌾 Spray crops?✅
Yes — Today 6 AM – 12 PM
| Time | Rain (%, mm) | Temp | Wind | RH | |
|---|---|---|---|---|---|
| 4 AM | ☁️ | 1% | 15° | 4 | 99% |
| 5 AM | ☁️ | 1% | 15° | 4 | 98% |
| 6 AM | 🌤️ | 1% | 16° | 4 | 98% |
| 7 AM | 🌤️ | 1% | 17° | 5 | 97% |
| 8 AM | 🌤️ | 1% | 19° | 5 | 91% |
| 9 AM | 🌤️ | 1% | 20° | 6 | 79% |
| 10 AM | ☁️ | 1% | 22° | 6 | 67% |
| 11 AM | 🌦️ | 1% | 22°(24°) | 6 | 64% |
| 12 PM | 🌦️ | 11% · 0.1 | 23°(25°) | 6 | 60% |
| 1 PM | 🌦️ | 14% · 0.2 | 23°(26°) | 4 | 57% |
| 2 PM | 🌦️ | 20% · 0.2 | 22° | 7 | 62% |
| 3 PM | 🌦️ | 6% · 0.1 | 21° | 5 | 74% |
| 4 PM | 🌦️ | 4% · 0.1 | 20° | 6 | 82% |
| 5 PM | 🌦️ | 4% | 18° | 6 | 90% |
| 6 PM | 🌤️ | 1% | 17° | 7 | 97% |
| 7 PM | ☁️ | 4% | 17° | 7 | 96% |
| 8 PM | 🌫️ | 1% | 16° | 7 | 97% |
| 9 PM | 🌫️ | 1% | 16° | 7(30) | 99% |
| 10 PM | 🌫️ | 1% | 16° | 7(31) | 99% |
| 11 PM | 🌫️ | 1% | 15° | 8(33) | 100% |
| 12 AM | 🌫️ | 1% | 15° | 8(34) | 100% |
| 1 AM | 🌫️ | 1% | 16° | 9(35) | 100% |
| 2 AM | 🌫️ | 1% | 15° | 8(35) | 100% |
| 3 AM | 🌫️ | 1% | 16° | 9(37) | 99% |
| 4 AM | 🌫️ | 1% | 15° | 8(37) | 99% |
| 5 AM | 🌫️ | 1% | 15° | 8(36) | 99% |
| 6 AM | 🌫️ | 1% | 16° | 8(34) | 99% |
| 7 AM | 🌫️ | 1% | 16° | 8(33) | 94% |
| 8 AM | ☁️ | 1% | 18° | 9(34) | 87% |
| 9 AM | 🌤️ | 1% | 20° | 10(36) | 75% |
“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 | 0.6 | 0 | 12.7 mm |
| GFS (USA)✓ used | 1.2 | 0 | 0 | 11.5 mm |
| ICON (Germany)✓ used | 0 | 0 | 0 | 9.5 mm |
| UK Met Office✓ used | 0.7 | 0.2 | 0 | 12.2 mm |
| Météo-France✓ used | 1.4 | 0 | 0 | 12.3 mm |
| CMA (China)✓ used | 4.2 | 0 | 0 | 12.5 mm |
| ECMWF (Europe) | 2.4 | 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.
Manalar Dam0.0 km
Since 8:30 AM no reading24 h to 8:30 AM 0 mm
Suruliyar Hydroelectric Power Plant8.8 km
3 h 0 mmSince 8:30 AM 0.4 mm24 h to 8:30 AM 5.6 mm
Surulipatti9.5 km
3 h 0 mmSince 8:30 AM 0 mm24 h to 8:30 AM 0 mm
Highest in district (24 h): Manjalar 115 mm
📋 Full district report: by taluk, dams →TN-SMART · Tamil Nadu Disaster Risk Reduction Agency
| 10 AM | ☀️ | 1% | 21° | 9(36) | 65% |
| 11 AM | 🌤️ | 1% | 23°(25°) | 9(35) | 59% |
| 12 PM | 🌤️ | 1% | 24°(26°) | 10(34) | 55% |
| 1 PM | 🌤️ | 1% | 24° | 9(34) | 54% |
| 2 PM | 🌤️ | 1% | 23° | 10(33) | 56% |
| 3 PM | ☀️ | 1% | 22° | 11(37) | 62% |
| 4 PM | ☀️ | 1% | 21° | 11(37) | 71% |
| 5 PM | ☀️ | 1% | 19° | 10(37) | 81% |
| 6 PM | 🌤️ | 1% | 17° | 6(35) | 93% |
| 7 PM | ☁️ | 1% | 16° | 7 | 97% |
| 8 PM | ☁️ | 1% | 16° | 7(31) | 99% |
| 9 PM | 🌫️ | 1% | 15° | 7(31) | 99% |
| 10 PM | 🌫️ | 1% | 15° | 8(31) | 100% |
| 11 PM | 🌙 | 1% | 14° | 7(32) | 96% |
| 12 AM | ☁️ | 1% | 13° | 7(32) | 95% |
| 1 AM | 🌙 | 1% | 13° | 6(30) | 88% |
| 2 AM | 🌙 | 1% | 12° | 6(30) | 85% |
| 3 AM | 🌙 | 1% | 12° | 6(31) | 84% |
| 0 |
| 13.8 mm |
| JMA (Japan) | 5.4 | 0 | 0.6 | 13.0 mm |
| GEM (Canada) | 2.0 | 0 | 0 | 17.9 mm |