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Heat Stress Index: WBGT

Current WBGT and forecast

 , May 5 (Tue) 2026

Past 7 days
 May 5 (Tue) 2026
HourWBGT
1 5.6 (Almost safe)
2 5.1 (Almost safe)
3 5.0 (Almost safe)
4 4.0 (Almost safe)
5 3.5 (Almost safe)
6 5.1 (Almost safe)
7 7.3 (Almost safe)
8 9.0 (Almost safe)
9 10.0 (Almost safe)
10 11.0 (Almost safe)
11 12.3 (Almost safe)
12 12.9 (Almost safe)
13 13.6 (Almost safe)
14 14.5 (Almost safe)
15 14.5 (Almost safe)
16 15.2 (Almost safe)
17 14.5 (Almost safe)
18 13.1 (Almost safe)
19 11.8 (Almost safe)
20 10.6 (Almost safe)
21 9.5 (Almost safe)
22 9.0 (Almost safe)
23 8.7 (Almost safe)
24 --- ()
3-day forecast
Japan Region Nagano Nozawa-onsen
Shinano-machi Iiyama Hakuba Nagano
Omachi Shinshu-shimmachi Sugadaira Ueda
Hotaka Tohmi Karuizawa Matsumoto
Tateshina Saku Nagawa Suwa
Kaida-kogen Kiso-yabuhara Tatsuno Haramura
Nobeyama Kiso-fukushima Ina Nagiso
Iijima Iida Namiai Minami-shinano