Firehole River

3
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temperature icon 48°F
Hourly Forecast
2:00 pm
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48°/52°°F 0 mm 0% 3 mph 55% 1026 mb 0 mm/h
5:00 pm
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44°/44°°F 0 mm 0% 2 mph 72% 1024 mb 0 mm/h
8:00 pm
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39°/39°°F 0 mm 0% 3 mph 97% 1025 mb 0 mm/h
11:00 pm
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35°/35°°F 0 mm 0% 4 mph 97% 1026 mb 0 mm/h
2:00 am
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33°/33°°F 0 mm 0% 4 mph 97% 1024 mb 0 mm/h
5:00 am
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32°/32°°F 0 mm 0% 4 mph 98% 1023 mb 0 mm/h
8:00 am
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34°/34°°F 0 mm 0% 4 mph 98% 1023 mb 0 mm/h
11:00 am
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52°/52°°F 0 mm 0% 7 mph 55% 1020 mb 0 mm/h
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4 mph
Hourly Forecast
2:00 pm
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9°/11°°C 0 mm 0% 3 mph 55% 1026 mb 0 mm/h
5:00 pm
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6°/7°°C 0 mm 0% 2 mph 72% 1024 mb 0 mm/h
8:00 pm
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4°/4°°C 0 mm 0% 2 mph 97% 1025 mb 0 mm/h
11:00 pm
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1°/1°°C 0 mm 0% 4 mph 97% 1026 mb 0 mm/h
2:00 am
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0°/0°°C 0 mm 0% 4 mph 97% 1024 mb 0 mm/h
5:00 am
temperature icon
0°/0°°C 0 mm 0% 4 mph 98% 1023 mb 0 mm/h
8:00 am
temperature icon
1°/1°°C 0 mm 0% 4 mph 98% 1023 mb 0 mm/h
11:00 am
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11°/11°°C 0 mm 0% 6 mph 55% 1020 mb 0 mm/h

The Firehole is in its classic fall form with plenty of caddis and BWOs milling about. This river can be fairly difficult to fish on bright, sunny days, as the large weed mats can make nymphing challenging. However, when the clouds roll in, the surface can come alive with dry fly opportunities. Overcast days are the time to be on the Firehole if you’re looking to take advantage of the fall hatches.

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River Descriptions: Firehole River

  • Unique ecosystem with geysers, hot springs, and stunning scenery.
  • Riffles, long pools, and glides throughout the flow.
  • Can be crowded due to popularity.
  • Abundant rainbow and brown trout (mostly 10″, football-shaped).
  • Great dry fly opportunities year-round (except summer).
  • Diverse hatches: White Miller Caddis, typical caddis, Blue-winged Olives (BWOs).
  • Spring and fall: Ideal due to comfortable water temperatures.
  • Summer (Mid June-Labor Day): Far to warm to fish most years with the water temperature nearing 80 degrees.
  • Check current regulations and water conditions before heading out.
  • Biscuit Basin Area
  • Midway Geyser Basin
  • Fountain Flats Drive
  • Firehole Canyon Drive
  • Madison Junction Picnic Area
  • Suitable for anglers of all skill levels, except during peak crowds.
  • Prepare for potential crowds, especially during peak season.
  • Water clarity can vary due to geothermal activity.
  • Adjust fly selection based on current hatches.
  • Respect the fragile ecosystem and follow park regulations.

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