Thursday 5 November 2026

Mushrooms in Saint-Joseph-de-Rivière

Today, black trumpets are the best bet around Saint-Joseph-de-Rivière (98/100, very favourable). Département: Isère · altitude 599 m.

Saint-Joseph-de-Rivière is a municipality (1 254 inhabitants), at an altitude of 599 m (département: Isère, 38). On Thursday 5 November 2026, conditions are favourable for: black trumpets (98/100), wood blewits (92/100), hedgehog mushrooms (89/100), saffron milk caps (81/100) and parasol mushrooms (65/100). For black trumpets, conditions remain stable, with a maximum on Thursday 5 November 2026 (98/100). Terrain: likely trees around the municipality (silver fir, beech, Norway spruce and sessile oak), slightly acidic soil. Weather: 4 mm of rain fell over the last 8 days, 22 mm of rain is expected over the next 7 days, minimum temperatures range from 2 to 12 °C.

Open on the map

39/ 100

Ceps

Possible

10/ 100

Chanterelles

Unfavourable

0/ 100

Morels

Unfavourable

89/ 100

Hedgehog mushrooms

Very favourable

98/ 100

Black trumpets

Very favourable

41/ 100

Funnel chanterelles

Possible

92/ 100

Wood blewits

Very favourable

81/ 100

Saffron milk caps

Very favourable

65/ 100

Parasol mushrooms

Favourable

8-day forecast

Ceps

39Thu 5

35Fri 6

31Sat 7

32Sun 8

37Mon 9

38Tue 10

39Wed 11

35Thu 12

Chanterelles

10Thu 5

7Fri 6

5Sat 7

8Sun 8

12Mon 9

14Tue 10

15Wed 11

15Thu 12

Morels

0Thu 5

0Fri 6

0Sat 7

0Sun 8

0Mon 9

0Tue 10

0Wed 11

0Thu 12

Hedgehog mushrooms

89Thu 5

86Fri 6

84Sat 7

89Sun 8

100Mon 9

100Tue 10

100Wed 11

100Thu 12

Black trumpets

98Thu 5

98Fri 6

98Sat 7

98Sun 8

98Mon 9

98Tue 10

98Wed 11

98Thu 12

Funnel chanterelles

41Thu 5

40Fri 6

39Sat 7

41Sun 8

47Mon 9

50Tue 10

54Wed 11

57Thu 12

Wood blewits

92Thu 5

90Fri 6

89Sat 7

92Sun 8

94Mon 9

94Tue 10

94Wed 11

94Thu 12

Saffron milk caps

81Thu 5

76Fri 6

73Sat 7

73Sun 8

75Mon 9

73Tue 10

70Wed 11

67Thu 12

Parasol mushrooms

65Thu 5

62Fri 6

58Sat 7

62Sun 8

73Mon 9

78Tue 10

82Wed 11

79Thu 12

Forests and soils around Saint-Joseph-de-Rivière

The terrain

Likely trees: silver fir, beech, Norway spruce, sessile oak
Soil: slightly acidic (pH 6.2), balanced
Slope: 40° · north-facing

Habitat by species

Ceps	96	large forest of suitable host trees: sessile oak, beech, Norway spruce
Chanterelles	59	large forest of suitable host trees: sessile oak, beech, Norway spruce
Morels	52	large forest of suitable host trees
Hedgehog mushrooms	100	large forest of suitable host trees: sessile oak, beech, Norway spruce
Black trumpets	97	large forest of suitable host trees: sessile oak, beech, sweet chestnut
Funnel chanterelles	34	large forest of suitable host trees: beech, Norway spruce, silver fir
Wood blewits	92	large forest of suitable host trees: sessile oak, beech, Norway spruce
Saffron milk caps	95	large forest of suitable host trees: Norway spruce, silver fir
Parasol mushrooms	98	large forest of suitable host trees

Recent and forecast weather

Day	Min	Max	Rain	Air humidity	Soil moisture
Thu 29	8 °C	13 °C	0.0 mm	91 %	32 %
Fri 30	8 °C	14 °C	0.0 mm	90 %	32 %
Sat 31	7 °C	11 °C	0.0 mm	92 %	32 %
Sun 1	4 °C	9 °C	0.0 mm	81 %	32 %
Mon 2	2 °C	5 °C	0.0 mm	93 %	32 %
Tue 3	3 °C	9 °C	0.0 mm	87 %	31 %
Wed 4	6 °C	9 °C	0.1 mm	76 %	31 %
Thu 5 forecast	9 °C	14 °C	3.8 mm	72 %	32 %
Fri 6 forecast	7 °C	10 °C	5.8 mm	93 %	37 %
Sat 7 forecast	6 °C	9 °C	0.0 mm	96 %	37 %
Sun 8 forecast	7 °C	13 °C	0.0 mm	71 %	35 %
Mon 9 forecast	12 °C	15 °C	0.9 mm	74 %	34 %
Tue 10 forecast	12 °C	16 °C	1.2 mm	80 %	32 %
Wed 11 forecast	11 °C	16 °C	1.4 mm	83 %	33 %
Thu 12 forecast	10 °C	18 °C	12.6 mm	82 %	50 %

Temperatures corrected for the altitude of the municipality. Source: Open-Meteo.

Going further

Mushrooms in Isère · All départements · Ranking of départements · How the score is calculated

Neighbouring municipalities

Voiron · Voreppe · Moirans · Saint-Ismier · Coublevie · Saint-Laurent-du-Pont · Saint-Jean-de-Moirans · La Buisse