Mon
Apr 29
Slightly unstable
~19
l/m2
78%
Tue
Apr 30
Slightly unstable
Wed
May 1
Slightly unstable
Thu
May 2
Slightly unstable
Fri
May 3
Slightly unstable
~1
l/m2
44%
Sat
May 4
Mostly stable
~17
l/m2
65%
28 Apr will be warm and the weather will be stable, thunderstorms not likely.
The sky will be mostly cloudy:
76% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
2% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
The highest temperature will reach 31 degrees Celsius, while the the lowest temperature will drop to 24 degrees Celsius. The wind will be a moderate breeze, and the mean air pressure will be 1012 mb. Relative humidity will be high.
Sunday
Weather
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
13:00
31 °C
34 °C
22 km/h 
28 km/h
1012 mb
52.6%
5,048 m
1,502 m
2/4
Apr, 28 13:00 @ Mostly stable
16:00
29 °C
32 °C
22 km/h
26 km/h
1011 mb
59.4%
5,335 m
1,299 m
2/4
Apr, 28 16:00 @ Mostly stable
19:00
25 °C
27 °C
21 km/h
23 km/h
1012 mb
79.0%
5,308 m
251 m
Apr, 28 19:00 @ Mostly stable
22:00
25 °C
26 °C
20 km/h
21 km/h
1014 mb
82.7%
5,238 m
250 m
Apr, 28 22:00 @ Mostly stable
29 Apr will be warm and the weather will be slightly unstable, thunderstorms possible.
There is a 78% probability of moderate rainfall and showers.
The sky will be overcast:
97% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
1% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
19% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
22% convective clouds (Cumulonimbus)
The highest temperature will reach 30 degrees Celsius, while the the lowest temperature will drop to 24 degrees Celsius. The wind will be a moderate breeze, fog will form, and the mean air pressure will be 1013 mb. Relative humidity will be very high.
Monday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
0.2 19%
100%
24 °C
26 °C
24 km/h
35 km/h
1013 mb
87.4%
5,283 m
152 m
Apr, 29 01:00 @ Slightly unstable
04:00
0.9 33%
100%
25 °C
26 °C
20 km/h
29 km/h
1012 mb
87.9%
5,035 m
146 m
Apr, 29 04:00 @ Slightly unstable
07:00
0.5 33%
100%
24 °C
26 °C
20 km/h
31 km/h
1013 mb
91.0%
5,110 m
136 m
Apr, 29 07:00 @ Slightly unstable
10:00
2.9 37%
100%
28 °C
30 °C
20 km/h 
25 km/h
1015 mb
76.4%
5,220 m
756 m
2/4
Apr, 29 10:00 @ Slightly unstable
13:00
2.3 36%
100%
29 °C
32 °C
20 km/h
24 km/h
1014 mb
66.2%
5,276 m
1,054 m
2/4
Apr, 29 13:00 @ Slightly unstable
16:00
3.8 47%
100%
29 °C
31 °C
18 km/h
21 km/h
1012 mb
66.2%
5,200 m
934 m
2/4
Apr, 29 16:00 @ Slightly unstable
19:00
1.7 36%
100%
25 °C
26 °C
23 km/h
36 km/h
1013 mb
86.8%
5,263 m
113 m
Apr, 29 19:00 @ Mostly stable
22:00
6.1 78%
100%
24 °C
25 °C
25 km/h
34 km/h
1015 mb
93.1%
5,174 m
166 m
Apr, 29 22:00 @ Slightly unstable
30 Apr will be warm and the weather will be slightly unstable, thunderstorms possible.
There is a 80% probability of moderate rainfall and showers.
The sky will be mostly cloudy:
83% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
14% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
51% convective clouds (Cumulonimbus)
The highest temperature will reach 30 degrees Celsius, while the the lowest temperature will drop to 23 degrees Celsius. The wind will be a moderate breeze, and the mean air pressure will be 1013 mb. Relative humidity will be very high.
Tuesday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
4.1 63%
100%
24 °C
25 °C
19 km/h
26 km/h
1014 mb
93.8%
5,414 m
139 m
Apr, 30 01:00 @ Slightly unstable
04:00
9 80%
100%
24 °C
25 °C
16 km/h
24 km/h
1013 mb
93.7%
5,190 m
108 m
Apr, 30 04:00 @ Slightly unstable
07:00
4.7 66%
100%
24 °C
25 °C
19 km/h
32 km/h
1014 mb
94.0%
5,437 m
147 m
Apr, 30 07:00 @ Mostly stable
10:00
7 76%
100%
27 °C
29 °C
15 km/h
23 km/h
1015 mb
83.7%
5,558 m
314 m
1/4
Apr, 30 10:00 @ Slightly unstable
13:00
1.9 42%
100%
29 °C
31 °C
15 km/h
19 km/h
1013 mb
74.2%
5,506 m
792 m
2/4
Apr, 30 13:00 @ Slightly unstable
16:00
2.2 26%
100%
29 °C
32 °C
15 km/h
17 km/h
1012 mb
66.1%
5,389 m
1,014 m
2/4
Apr, 30 16:00 @ Slightly unstable
19:00
1.3 40%
100%
25 °C
26 °C
20 km/h
29 km/h
1013 mb
91.4%
5,330 m
144 m
Apr, 30 19:00 @ Slightly unstable
22:00
4 59%
100%
24 °C
25 °C
26 km/h
28 km/h
1015 mb
93.0%
5,263 m
238 m
Apr, 30 22:00 @ Slightly unstable
1 May will be with comfortable temperatures and the weather will be unstable, thunderstorms likely.
There is a 87% probability of heavy rainfall and showers.
The sky will be partly cloudy:
43% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
1% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
27% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
65% convective clouds (Cumulonimbus)
The highest temperature will reach 28 degrees Celsius, while the the lowest temperature will drop to 23 degrees Celsius. The wind will be a moderate breeze, fog will form, and the mean air pressure will be 1012 mb. Relative humidity will be very high.
Wednesday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
4.6 69%
100%
24 °C
25 °C
27 km/h
32 km/h
1014 mb
94.3%
5,112 m
221 m
May, 1 01:00 @ Slightly unstable
04:00
12 85%
100%
24 °C
24 °C
26 km/h
41 km/h
1012 mb
94.2%
5,087 m
156 m
May, 1 04:00 @ Slightly unstable
07:00
5.4 72%
100%
24 °C
24 °C
24 km/h
38 km/h
1013 mb
94.4%
5,107 m
167 m
May, 1 07:00 @ Slightly unstable
10:00
9.5 79%
100%
27 °C
29 °C
26 km/h
34 km/h
1014 mb
86.8%
5,157 m
752 m
1/4
May, 1 10:00 @ Slightly unstable
13:00
2.7 55%
100%
27 °C
29 °C
24 km/h
28 km/h
1013 mb
85.6%
5,112 m
839 m
1/4
May, 1 13:00 @ Slightly unstable
16:00
6.6 81%
100%
27 °C
28 °C
24 km/h
26 km/h
1011 mb
91.0%
5,074 m
614 m
May, 1 16:00 @ Slightly unstable
19:00
3.6 60%
100%
24 °C
25 °C
24 km/h
28 km/h
1012 mb
94.9%
5,136 m
225 m
May, 1 19:00 @ Slightly unstable
22:00
8.9 87%
100%
24 °C
25 °C
23 km/h
31 km/h
1013 mb
95.6%
5,070 m
174 m
May, 1 22:00 @ Slightly unstable
2 May will be with comfortable temperatures and the weather will be unstable, thunderstorms likely.
There is a 85% probability of heavy rainfall and showers.
The sky will be cloudy:
6% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
33% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
51% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
54% convective clouds (Cumulonimbus)
The highest temperature will reach 28 degrees Celsius, while the the lowest temperature will drop to 23 degrees Celsius. The wind will be a moderate breeze, fog will form, and the mean air pressure will be 1011 mb. Relative humidity will be very high.
Thursday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
6.6 85%
100%
24 °C
25 °C
22 km/h
32 km/h
1012 mb
95.9%
5,067 m
137 m
May, 2 01:00 @ Slightly unstable
04:00
13 85%
100%
24 °C
25 °C
23 km/h
33 km/h
1011 mb
95.9%
5,008 m
142 m
May, 2 04:00 @ Slightly unstable
07:00
5.8 82%
100%
24 °C
25 °C
26 km/h
34 km/h
1012 mb
95.4%
5,078 m
223 m
May, 2 07:00 @ Slightly unstable
10:00
10 82%
100%
26 °C
28 °C
28 km/h
32 km/h
1014 mb
91.2%
5,101 m
734 m
May, 2 10:00 @ Slightly unstable
13:00
3.5 70%
100%
27 °C
29 °C
29 km/h
35 km/h
1012 mb
88.1%
5,171 m
870 m
1/4
May, 2 13:00 @ Slightly unstable
16:00
6.4 75%
100%
26 °C
28 °C
26 km/h
26 km/h
1010 mb
88.9%
5,217 m
498 m
May, 2 16:00 @ Slightly unstable
19:00
0.7 32%
100%
25 °C
26 °C
26 km/h
29 km/h
1011 mb
90.5%
5,361 m
267 m
May, 2 19:00 @ Slightly unstable
22:00
0.9 56%
99%
25 °C
26 °C
25 km/h
28 km/h
1012 mb
87.4%
5,391 m
295 m
May, 2 22:00 @ Slightly unstable
3 May will be warm and the weather will be slightly unstable, thunderstorms possible.
There is a 44% probability of light rainfall and showers.
The sky will be partly cloudy:
2% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
16% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
44% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
13% convective clouds (Cumulonimbus)
The highest temperature will reach 30 degrees Celsius, while the the lowest temperature will drop to 24 degrees Celsius. The wind will be a moderate breeze, and the mean air pressure will be 1011 mb. Relative humidity will be very high.
Friday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
25 °C
26 °C
23 km/h
28 km/h
1012 mb
81.8%
5,327 m
258 m
May, 3 01:00 @ Mostly stable
04:00
24 °C
25 °C
22 km/h
29 km/h
1011 mb
82.2%
5,284 m
235 m
May, 3 04:00 @ Mostly stable
07:00
25 °C
26 °C
20 km/h
26 km/h
1012 mb
75.8%
5,249 m
244 m
May, 3 07:00 @ Mostly stable
10:00
28 °C
30 °C
20 km/h
24 km/h
1013 mb
73.3%
5,245 m
630 m
1/4
May, 3 10:00 @ Slightly unstable
13:00
30 °C
32 °C
18 km/h
19 km/h
1012 mb
61.4%
5,234 m
1,090 m
2/4
May, 3 13:00 @ Slightly unstable
16:00
29 °C
32 °C
17 km/h
18 km/h
1011 mb
64.3%
5,283 m
1,119 m
2/4
May, 3 16:00 @ Slightly unstable
19:00
25 °C
26 °C
22 km/h
31 km/h
1012 mb
88.6%
5,262 m
150 m
May, 3 19:00 @ Slightly unstable
22:00
1 44%
100%
24 °C
25 °C
25 km/h
34 km/h
1013 mb
93.7%
5,312 m
179 m
May, 3 22:00 @ Slightly unstable
4 May will be warm and the weather will be stable, thunderstorms not likely.
There is a 65% probability of moderate rainfall and showers.
The sky will be partly cloudy:
40% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
27% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
28% convective clouds (Cumulonimbus)
The highest temperature will reach 30 degrees Celsius, while the the lowest temperature will drop to 23 degrees Celsius. The wind will be a moderate breeze, and the mean air pressure will be 1013 mb. Relative humidity will be very high.
Saturday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
3.2 60%
100%
24 °C
25 °C
25 km/h
37 km/h
1013 mb
94.1%
5,332 m
163 m
May, 4 01:00 @ Slightly unstable
04:00
4.8 63%
100%
24 °C
25 °C
26 km/h
35 km/h
1012 mb
93.0%
5,311 m
202 m
May, 4 04:00 @ Slightly unstable
07:00
0.6 27%
100%
24 °C
25 °C
27 km/h
32 km/h
1013 mb
91.5%
5,346 m
248 m
May, 4 07:00 @ Mostly stable
10:00
1.2 30%
100%
28 °C
31 °C
27 km/h
32 km/h
1015 mb
68.7%
5,478 m
1,144 m
1/4
May, 4 10:00 @ Mostly stable
13:00
0.3 23%
100%
29 °C
32 °C
26 km/h
32 km/h
1014 mb
63.0%
5,478 m
1,290 m
2/4
May, 4 13:00 @ Mostly stable
16:00
0.8 24%
100%
28 °C
30 °C
26 km/h
31 km/h
1013 mb
70.5%
5,453 m
1,023 m
1/4
May, 4 16:00 @ Mostly stable
19:00
1.6 38%
100%
25 °C
26 °C
25 km/h
25 km/h
1014 mb
90.2%
5,415 m
267 m
May, 4 19:00 @ Mostly stable
22:00
4.3 65%
100%
24 °C
25 °C
17 km/h
22 km/h
1015 mb
94.6%
5,229 m
224 m
May, 4 22:00 @ Slightly unstable
5 May will be warm and the weather will be .
There is a 49% probability of light rainfall and showers.
The sky will be :
191% high clouds (above 6,000 meters: Cirrus, Cirrus uncinus, Cirrostratus, Cirrocumulus)
2% middle clouds (from 2,000 to 6,000 meters: Altostratus, Altocumulus)
166% low clouds (below 2,000 meters: Cumulus, Stratocumulus, Stratus, Fractostratus)
140% convective clouds (Cumulonimbus)
The highest temperature will reach 31 degrees Celsius, while the the lowest temperature will drop to 24 degrees Celsius. The wind will be a moderate breeze, fog will form, and the mean air pressure will be 7097 mb. Relative humidity will be .
Sunday
Weather
Precipitation mm probability
Showers (% of Precipitation)
Temperature °C
Felt temperature °C
Temperature low | high °C
Wind speed
Wind gusts
Atmospheric pressure
Relative humidity
Isotherm 0°C
Boundary Layer
Heat index
01:00
1.9 36%
100%
24 °C
25 °C
20 km/h
28 km/h
1015 mb
94.2%
5,149 m
180 m
May, 5 01:00 @ Slightly unstable
04:00
2.2 49%
100%
24 °C
25 °C
20 km/h
31 km/h
1014 mb
92.2%
5,098 m
179 m
May, 5 04:00 @ Slightly unstable
07:00
0.5 35%
100%
25 °C
26 °C
25 km/h
43 km/h
1015 mb
90.3%
5,212 m
158 m
May, 5 07:00 @ Slightly unstable
10:00
1.1 23%
100%
28 °C
31 °C
23 km/h
26 km/h
1016 mb
74.1%
5,329 m
1,101 m
2/4
May, 5 10:00 @ Slightly unstable
13:00
30 °C
33 °C
22 km/h
23 km/h
1015 mb
58.9%
5,363 m
1,464 m
2/4
May, 5 13:00 @ Mostly stable
16:00
29 °C
31 °C
23 km/h
24 km/h
1013 mb
64.2%
5,343 m
1,316 m
2/4
May, 5 16:00 @ Mostly stable
19:00
25 °C
26 °C
25 km/h
31 km/h
1014 mb
87.7%
5,304 m
242 m
May, 5 19:00 @ Slightly unstable
Rio Piauí
18:26 
